Q. What is the critical temperature of Butane?
A.135° C
Q. Why is training for LNGF important?
A. The use of LNGF is very dangerous with a lot of risk involved.
Q. As per IGF code – gas pressure is defined as
A. More than 10 bar.
Q. In relation to Ship’s boiler, identity incorrect:
A. In a water tube boiler, the number of tubes dictated by Furnace volume.
Q. Which LNG containment system is best suitable for an LNG bunkering vessel of 7,500 cu.m capacity?
A. Type C – Single Cylinder
Q. Saturated Vapor pressure increase with ———————in temperature.
A. Rise
Q. What is the effect of boil-off on the constitution of LNG delivered at the end of loaded passage?
A. Lower percentage of propane and butane than in the LNG loaded.
Q. Identify the correct name for a gas or mixture of gases, containing oxygen content not greater than 5% by volume, which will not support combustion.
A. Inert gas
Q. How is replacement of gas in a tank achieved by displacement?
A. A heavier incoming gas is introduced beneath a lighter existing gas at law velocity.
Q. What is the temperature at which gas saturates and the water vapor present begins to condense?
A. Dew point
Q. In relation to a ships boiler thermodynamics, identify an incorrect statement. Steam is real fluids, but air or gas cannot be working fluid.
A. Enthalpy can be express as a total which must be measured from absolute zero.
Q. On a liquefied gas tank ship, the following action should be taken immediately upon a spill incident: identify a statement that you should agree with.
A. Water spray from hoses can be used to deflect a gas cloud.
Q. After heating of cargo tanks and prior to gasification, the atmosphere in the cargo tanks is replaced with inert gas. Why this procedure is required?
A. To avoid the possibility of an explosive or flammable LNG / Air mixture.
Q. While looking up the appropriate MFAG table number provides the signs, symptoms, treatment and other advises; which other documents / publication from the below option will provide quick access to information in case of a casualty involving cargo?
A. Referring to the SDS for the cargo being carried.
Q. Emergency procedure for spillage that you shall not fully agree with?
A. In the case of the incident on a ship or on a jetty while ship is alongside, the
manpower and facility immediately available on the ship will generally make it inappropriate that the ship takes first autonomous action.
Q. Under which element in data sheet would be a ship officer need to look for information
about polymerization for the particular cargo?
A. Element 10 – stability and reactivity.
Q. A standard safety data sheet (SDS) would have ……………elements?
A. Sixteen.
Q. Handling and storage instructions in MSDS will not include?
A. Example picture on unsafe storage.
Q. What is the desire condition of cargo tanks’ atmosphere at the end of inerting operation?
A. Dew point < -40ºC and Oxygen 2.5%
Q. For spill containment and handling on a liquefied gas tank ship, find the most true statement.
A. The size of spillage or vapor emission which can be controller or disappear by water spray will depend on available fire main water pressure and the number of jet/spray nozzle which can be employed.
Q. Exposer controls / personnel protection in MSDS will not include.
A. Appropriate handling control.
Q. Onboard an LNG Carrier what is the zero classification of the deck?
A. Zone 1
Q. For gas carrier gas detection equipment calibration, find an error statement?
A. The chief officer may not be aware that certain instrument may need to be sent for
calibrating ashore.
Q. What precaution should be taken while lifting heavy loads in the engine room?
A. All personnel should stand clear of the load being lifted.
Q. Gas detection methods; finds an error statement?
A. The cythaletic portable gas detector which relies on o2, can be used in atmosphere that are inert (Deficient in O2) to check for percent LFL or percent by volume.
Q. During the interface study for ship approval by a terminal operator what happened?
A. Preliminary discussion documents analysis and mooring pattern.
Q. How is intrinsic safety achieved for electrical circuits used in hazardous area?
A. By limiting the ignition energy and surface temperature that can rise during
operation.
Q. For the gas detection system on a gas carrier, find an error statement.
A. Flammable ranges do not vary depending on the purity of the gas.
A. We call 5% BV methane the same as 100% upper explosive limit (UEL)
A. In no cases the portable gas detection to be used as an alternative to a permanently installed system.
Q. If LNG has splashed on the skin, what you should not be doing?
A. Apply a tight, Sterile dressing on the wound.
Q. What is the first task to complete before commencing hot work?
A. To complete hot work permit.
Q. Smoke detectors are activated when?
A. The density of smoke or tiny partials created by fire are high.
Q. Heat sensors are activated?
A. When there is a rise of temperature produced by fire.
Q. LNG Vapors explode when it is mixed with air within the flammable range ——–gas volume.
A. 5-15%
Q. ——–Gas pressurized the liquid out of the soda acid type – water extinguisher through the dip tube.
A. Carbon-dioxide.
Q. Smoke detectors; the correct answer is
A. Photoelectric type smoke detectors are in the detecting panel of CO2 flooding system. 35. Statement on fire detection system are listed; identify an incorrect assumption.
A. The detection system should be operable at all times, except when power failed.
Q. A soda acid type – water extinguisher is used to fight class ————fires.
A. D
Q. Statement on heat detector are listed; find on incorrect statement.
A. Flame detector are used closed to boilers where naked flame touches may be used.
Q. The system must have the capacity to cover the indicated area with at least ——– on
horizontal surfaces and 4 liter / m2 per minute on vertical statement.
A. 10 liter /m2 per minute.
Q. Heat sensors are not classified as.
A. Variable temperature type.
Q. The stationary powder post should have a minimal capacity of ————-
A. 2.5kg / second.
Q. Identity the solution used in the container for a soda acid type – water extinguisher.
A. Sodium – bicarbonate.
Q. ———–is the measure of the proportions of flammable vapor to oxygen that is required for
the initiation of combustion.
A. Flammable range.
Q. Smoke detector are activated when,
A. The density of smoke or tiny particles created by the fire are high.
Q. Firefighting system provisions are mentioned in the following statements identify one that is incorrect?
A. All ships today are fitted with carbon dioxide fixed firefighting system.
Q. Statement on working principle of radiations detector are listed; identify one that is not correct.
A. Radiation detector have two lights; both displaying the indications of actual fire alarm and acting as a fail-safe system.
Q. For the gas detection system on a gas carrier, find an error statement.
A. The active element is embedded in a non-catalyst.
Q. What is the least a person should do before entering machinery spaces?
A. Wear appropriate personnel protective equipment.
Q. Find the incorrect statement for a pneumatically operated diaphragm type fire detector that is operating normally.
A. If diaphragm rises, the electrical alarm circuit contacts are made, and no alarm is sounded.
Q. Smoke detector; the wrong answer is
A. Photoelectric type smoke detectors are in the machinery spaces.
Q. Bleve stands for ‘boiling liquid expanding vapor——-
A. Explosion.
Q. Functions of the emergency team on a typical liquefied gas tank ship is stated; find one statement that is not correct/
A. If there is emergency in the engine room, the chief engineer takes the command center position.
Q. Which is the melting point temperature of the ESDS automatic fusible element normally fitted onboard.
A. Between 98ºc to 104ºc.
Q. General alarm: the general alarm on the liquefied gas tank ship is not recognised by.
A. 6 shots ringing of bell followed by a long ring.
Q. The first responder responses for an incident is listed as below, find one that is not correct.
A. In the machinery space, the chief engineer will be in-charge of fighting the emergency and the first responder must evacuate the machinery space since he/she may or may not have the knowledge to fight a machinery space fire.
Q. Fire alarm; the fire alarm on the liquefied gas tank ship is not recognized by.
A. 7 shots ringing of bell or ships horn followed by a long ring.
Q. In a ships ESDS an automatic electrical system which energised ESDS due to temperature change of the sensor fitted at each tank domes and both manifold platform is known as
A. Automatic fusible elements.
Q. Which of the following is not a part of an arrangement in fiber optical system to accommodate ‘fail safe’ ESDS system.
A. Optical cables protected with double layer of insulation.
Q. In ESDS pneumatic link system which equipment is used to sense and monitor the air pressure in the system; so that the ESDS will activate if the air pressure in system fall below set point?
A. Pressure switch.
Q. The basic structure of any emergency team on a typical liquefied gas tank ship may comprise four energy groups under the command center with Master in charge. Find the incorrect statement.
A. For a small vessel, cadets are included into any of the emergency groups.
Q. Man over board alarm; MOB on liquefied gas tank ship is not recognized by
A. The ship internal alarm bell sound 6 long rings and ship whistle will blow 6 long blast to notify the crew on board and the other ships is nearby vicinity.
Q. The location of electrical equipment is often classified by zones. What does zone 1 mean?
A. Flammable material is present – an explosive mixture can form in normal operation.
Q. What precautions must be taken in the vicinity of the engine room bilges?
A. Should be clear of rubbish.
Q. Classification of burns and scalds include the following except?
A. Fourth degree.
Q. Following proper testing procedure; find an error
A. Catalytic and combustible type gas sensor do not have a limited operating life.
Q. Which are the international bodies that provide regulatory standard for electrical equipment certification.
A. IEC and CELENEC
Q. The vessel cargo operations Manuel provides the actual location for sampling points; identify one error statement.
A. It is not possible to verify the integrity of sampling pipe system. (gas sampling type systems only.)
Q. Onboard an LNG carrier, what is the zone classification of the deck?
A. Zone 1
Q. Safety precautions with equipment used for liquefied Gas; identify incorrect system.
A. Sparking is not a real danger on cold cargo, normally associated with refrigerator
liquefied gas cargo.
Q. On the liquefied gas tank ship, the following actions should be taken immediately upon a spill incident; identify a statement that you should not agree with?
A. Ship must wait to be informed on triggering the ESD by the terminal.
Q. The pictogram on the left significance.
A. Toxic
Q. Handling the storage instruction in MSDS will not include.
A. Example picture on unsafe storage
Q. In a SDS, Appearance (physical state, color, etc.) odor; odor threshold; ph.; Melting point/freezing point, flash point etc. are covered under;
A. Physical / chemical properties.
Q. While looking up the appropriate MFAG TABLE number provides the sign, symptoms, treatment, and other advice; which other documents /publication from the below option will provide quick access to information in case of casualty involving cargo.
A. Referring to SDS for the cargo being carried.
Q. Stability and reactivity information in MSDS does not contain;
A. Viscosity
Q. Certain organs like————-may be severally affected with inhalation of cold vapor.
A. Lungs.
Q. The quantities of vapor evolve are based on the ————-of the LNG’s its composition and
temperature.
A. Methane number.
Q. The element ‘stability and reactivity’ in a SDS will contain information on
A. Reactivity, chemical stability, possibility of hazardous reaction, incompatible material…. etc.,
Q. For bone, joint and soft part injuries, the best first aid treatment is —————-method
A. ICE
Q. GAS Carrier guidelines and regulations; find an error statement
A. An accidental discharge could be hazardous due to risk of collision.
Q. OPA 90 requirements; find an incorrect statement.
A. OPA 90 regulations are in force for tankers carrying oil and gas.
Q. For port facility, IMO requirements include the following; identify one that is not applicable.
A. Ship also may have certain equipment onboard to help maintain or enhance the physical security of the ship.
Q. LNG ship security and risk assessment; find an error statement.
A. Accident event resulting in the spillage of 12500 m3 of LNG are expected to provide an ignitions source, such that a pool fire occurs and the likely hood of a large initiated released of LNG is likely.
A. The 37.5KW/m2 is a level suggesting several structural damage and major injuries if expected for over 60 min.
Q. Pollution of air and sea and the influence of ship trade; find the incorrect statement.
A. The consequence of these are not recognized in areas where the forest is dead and fishing lakes are empty.
Q. With increase in temperature, the liquefied gas will not behave as indicated
A. With rise in temperature more liquid enters the vapor phase, result in decreasing the vapor pressure.
A. The vapor that is released to air and which is lighter than air tend to be present in the lower ground and it does disappear easily.
Q. Gas ship survey requirement under IGC Code for structure, equipment, fitting arrangements and material (other than item in respect of which a cargo ship safety construction certificate, cargo ship safety equipment certificate and cargo ship safety radiotelegraphy certificate or cargo ship safety radiotelegraphy certificate is issued) of a gas carrier shall not include.
A. After a gas ship is put into the service with certificate of fitness (COF) they will need
years.
Q. Under the STCW code the required certificate for all crew on any type of ship including gas carrier shall not include.
A. Medical care certificate.
Q. For EEDI implementation, identify the correct statement
A. No further work done have been IMO.
Q. LNG ship security and risk assessment; find an incorrect answer.
A. The experimental result suggests the highest hazard generally in the near field (approximately 50-100 meters of a spill)
Q. Saturated vapor at any ————–maintains equilibrium between the vapor and liquid at that
specific temperature.
A. Temperature
Q. In relation to a ship boiler, identify an incorrect statement.
A. In condition the rate of heat transfer depend on the temperature difference across the tube thickness but not the tube material.
Q. When can roll over happen in an LNG storage tank
A. When unstable strata of LNG from within the tank.
Q. In case of hitting the mercury Coolum containing the test liquid, the level of mercury will.
A. Decrease.
Q. For effective replacement of gas in a tank by displacement, which of these is important.
A. A suitable piping arrangement.
Q. In specific volume diagram for steam
A. Specific volume of liquid decrease with the rise in temperature at a certain pressure.
Q. In relation to a ship boiler thermodynamic, identify a property that is not exactly favorable.
A. Water has relatively low boiling point.
Q. Which LNG containment system is best suitable for suited for an LNG bunkering vessel of 7500 cu.m capacity.
A. Type C – Single cylinder.
Q. The first symptoms of localize frost injury is ————-feeling on the top layer of the skin.
A. Prickling.
Q. Gas carrier required monitoring; find an error statement
A. These systems are normally only calibrated annually and not by the third party.
Q. Statement of satisfactory calibration and or preparation for use of the portable gas detection equipment. Find the most important safety statement from below.
A. Per IGC code, vessel design must enable sampling without having to enter the space, taking into consideration the vapor density and toxicity of cargo being tested.
Q. Identify the correct statement from the following list, that describe the dangerous gases emitted from the savage tank correctly.
A. Methane and hydrogen sulfide
Q. For the fixed gas detection system with continuous gas sampling on a gas carrier find an error statement.
A. Flammable vapor detection sensor are typically the catalytic type or infrared type but never electrochemical type
Q. What precaution must be taken in the vicinity of the engine room bilge? Should be clear of rubbish.
Q. Pick the IEC symbol for explosion proof electrical protection.
A. Ex-d
Q. During the interface study for ship approval by a terminal operator what happen.
A. Preliminary discussion, documents analysis and mooring pattern
Q. The –————–depends upon the pressure of contact extended on live wires.
A. Impedance
Q. —————-substance can be defined as the pressure exerted by a saturated vapor at
a specific temperature
A. Saturated vapor pressure.
Q. What is typical content of Carbon dioxide in inert gas produced by an inert gas
generator?
A. 15%
Q. You are using a displacement method for inerting cargo tanks. If mixing occurs what
will happen to the quantity of inert gas (IG) required?
A. 3 to 5 times IG is required.
Q. At what temperature will methane change from vapor to liquid at atmosphere pressure
A. -161.5º/259DEG.F
Q. Up to what temperature is methane vapor heavier than air?
A. -110ºc /-166Deg F
Q. Which of the following statement is true for an ideal gas law if: Pressure – P
. Volume – V
. Temperature – T
. And C is constant
A. PV/T=C or PV = CT
Q. Where can the mandatory minimum requirement for LNG Fuelled ship crew training and competent be found?
A. STCW Table A-V /3-1 and A-V / 3-2
Q. Which are the following are true about LNG Bunkering system components?
A. Marine loading arms are not the only preferred components for STS.
Q. The pictogram on the left signifies.
A. Toxic.
Q. The first symptoms of localised frost injury are —————-feeling on the top layer on
the skin.
A. Prickling
Q. There are ————————items on the material safety data sheet.
A. 16 items
Q. What is the type of gas detection system fitted for spaces with air?
A. Catalytic combustion type.
Q. A vessel loads a cargo of ammonia and obtains MSDS for ammonia from the shipper; which of the following information can an interested person obtain from the MSDS?
A. That the main hazard of ammonia is toxic and corrosive.
Q. Some engine store room are being lifted onboard from a supply boat, the sticker on the drums have this pictogram on them signified that the contents are.
A. Corrosive to metal and skin.
Q. Composition and information on substance on MSDS will not include?
A. Not the chemical name.
Q. In an LNG Carrier mixtures of methane and air are avoided at all times. What is the reason?
A. Risk of fire or explosion.
Q. What is the flammable range (i.e. percentage in air by volume) for methane?
A. 5.3 to 15%
Q. SDS sheet indicates synonyms of cargoes carried; which of the below are synonyms of methane?
A. Fire dump, Marsh Gas, MTH
Q. Heimlich maneuver is used for?
A. Chocking.
Q. Cofferdams and ballast tanks have depleted level of —————contents.
A. Oxygen.
Q. What is the priority of the company’s onboard policies and procedure?
A. Safety of the crew; safe operation for vessel; protection of environment.
Q. Heavy bleeding is treated by.
A. Applying a tourniquet.
Q. What should the Master of an LNG carrier do if the CTS fails?
A. Informed your company and receivers. Use Manuel gauging and tank tables.
Q. To treat a first degree burn you should?
A. Apply cool running water until there is a little or no remaining pain.
A. By limiting an ignition energy and surface temperature that can rise during operation.
Q. What is the least you must do before entering a cofferdam in the engine room?
A. Complete an enclosed space checklist.
Q. What caused hypovolemic shock?
A. External blood loss.
Q. The main reason for sleep and fall on the vessel that is not well maintained should not be identified with,
A. Improper personnel protective equipment (PPEs) especially safety shoes , safety harness
Q. Form the statement of enclosed space entry permit, find one that is not correct?
A. An enclosed space entry permit must be pasted at ships entrance gangway, for port state inspection.
Q. In ABC method, A stands for.
A. Air
Q. For a catalytic gas detection system on a gas carrier, find an error statement?
A. The temperature rise result in a change of circuit capacitance and would reflect as a
readout of gas being detected.
Q. For repairs on a pressurised system the following statement are made; find an incorrect statement?
A. If pressure is relived from equipment under repairs; isolation of machinery is not required.
Q. Statement on tank atmosphere with oxygen deficiency; identify one incorrect assumption/
A. An oxygen deficient atmosphere has less than 23 percent available oxygen.
Q. A CO2 type water extinguisher is used to fight class —-fire?
A. A
Q. Statement on working principle of radiation detectors are listed; identified one that is not correct?
A. Radiation detectors have two lights; both displaying the indication of actual fire alarm and acting as a fail-safe system.
Q. ————-of a liquid is defined as the lowest temperature that is required by the liquid that can produce sufficient vapor for form a flammable mixture in air.
A. Flash point.
Q. What is a minimum requirement for CO2 gas to be released to fight a fire in the engine room?
A. 85% of CO2 to be discharged within two minutes.
Q. ————–is a chemical combination of flammable substance with oxygen.
A. Combustion.
Q. ————–is the measure of the proportion of flammable vapor to oxygen that is required for the initiation of combustion.
A. Flammable range.
Q. Smoke detectors are activated when?
A. The density of smoke or tiny partials created by the fire are high.
Q. Statement for the Bi-metallic fire detector; find an error statement?
A. If the rate of rise of the temperature is not high enough to closed the gap an alarm is triggered.
Q. Smoke detectors; the wrong answer is?
A. Photoelectric type smoke detectors are in machinery spaces. A soda acid type water extinguishers is used to fight class—-fires?
A. A
Q. Functions of backup squad on a typical liquefied gas tank is stated; find one statement that is not true.
A. The backup squad needs to support the emergency team when they no longer need back up.
Q. Under the pneumatic link system, what will happen when the ship moved of the jetty exceeds its safe working limit (distance)
A. Hose – break, Air Pressure – Drop, ESDS – Alarm sounded and ESD activated.
Q. Which of the following will not cause an activation of ESDS?
A. Differential pressure between primary and secondary insulation space – too low.
Q. The first responder response for an incident listed as below; find one that incorrect?
A. In the machinery space, the chief engineer will be in charge of fighting the emergency and first responder must evacuate the machinery space since he/she may or may not have the knowledge to fight a machinery space fire.
Q. Abandon ship alarm; mob alarm on liquefied gas tank ship is not recognised by?
A. The general alarm is sounded; and everybody comes to an emergency mustered station where the chief engineer, if master is unable, gives a verbal order to abandon ship.
Q. Emergency on liquefied gas tank ship is not indicated by?
A. Crew cabins are always fitted with the muster list and safety equipment.
Q. What is the melting point temperature of the ESDS automatic fusible elements normally fitted onboard.
A. Between 98ºc to 104ºc
Q. Methane and formaldehyde problems in gas burning; find an inaccurate statement?
A. Hotter portion in the combustion area along the cylinder liner, are conductive to formaldehyde production.
Q. Conception of EEDI; find the incorrect assumption?
A. EEDI reflects the ship energy efficiency under various operational condition.
Q. Any pollution has a main source and a receiver; find an incorrect assumption?
A. Pollution is not related to human activity.
Q. Under the STCW code; the required certificates to all crew on any type of ship including gas carrier shall not include
A. Medical care certificate
Q. International convention of standard of training; certification of watch keeping for seafarers (STCW) required the following; find an error statement?
A. Rating assigned specific duties and responsibilities related to cargo equipment on liquefied gas tankers need not have any specialist training other than the basic safety training and familiarization training upon joining.
Q. The main items OPA90; find an incorrect statement.
A. The treat of limited responsibility.
Q. LNG ship security and risk assessment; find and incorrect assessment?
A. The experimental result suggests the highest hazard generally in the near field
(approximately 50-100 meters of a spill)
Q. GAS ship survey requirement under IGC code for structure, equipment, fitting———–?
A. A non-mandatory annual survey within 3 months before or after the anniversary date———–
Q. With increase in temperature; the liquefied gas will not be behave as indicated?
A. With rise in temperature, more liquid enters the vapor phase, result in decreasing the
vapor pressure.
Q. Statement on the responsibility of the master and the crew for cargo transfer operation are listed: find an error statement?
A. Master and crew must know all the application pollution prevention regulation; including any local regulation.
Q. Heavier function of NGL are composed of
A. Pentanes, Naphtha, Natural Gasoline and condensate.
Q. You are using the displacement method for inerting cargo tanks, if missing occurs what will happen to the quantity of inert gas (IG) Required
A. 3 to 5 times more IG is required.
Q. Identify the correct identification of labels in the specific volume diagram from the following selection
A. 1-critical temperature curve; 2-critical point; 3-saturated vapor line; 4-saturated liquid line.
Q. In the steam rising process in a boiler—————-
A. B to C – Rise in temperature of water in the boiler
Q. During heat transfer from one body to another, what transfer take place?
A. Energy
Q. What is the temperature at which gas saturates and the water vapor present begins
to condense?
A. Dew point.
Q. How can a gas be liquefied?
A. By the application of pressure or by cooling.
Q. What will you measure with a hygrometer?
A. Dew point of cargo tank atmosphere.
Q. Asphyxia is a condition in which the brain is deprived of sufficient supply of ———
A. Oxygen.
Q. For bone, injury or soft injury part, the best first aid treatment is ——.
A. ICE
Q. Handling and storage instruction in MSDS will not include.
A. Example pictures on unsafe storage.
Q. What is the maximum interval time between sampling and analysing for each sampling head location sequentially?
A. Not exceeding 30 min interval.
Q. What is the desire condition of cargo tanks ‘atmosphere at the end of inerting operation?
A. Dew point <-40ºc and oxygen 2.5%
Q. What is the auto ignition temperature of methane.
A. 595ºc /1103ºF
Q. The quantity of the vapor evolved are based on the ———–of LNG’s its composition
and temperature
A. Methane number.
Q. After heating of cargo tanks and prior to gasification, the atmosphere in cargo tanks is replaced with inert gas. Why the procedure is required.
A. To avoid the possibility of explosive or flammable LNG / air mixture.
Q. Identify an incorrect answer, potential hot risk area will be the vessel gallery because
of the presence, of
A. Ventilator fans.
Q. Entry permit include among others——————–
A. Communication procedure and equipment to maintain contact during entry
Q. What should be prohibited in the vicinity of battery room?
A. Smoking
Q. The accepted treatment for a sprained ankle is
A. Keep the shoe on, apply an ankle bandage for support, elevate and apply cold towels.
Q. For the fixed gas detection system with suction gas sampling on a gas carrier, find an error statement?
A. The samples are drowning to either a common sensor (Continuous monitoring) or individual sensor (sequential monitoring)
Q. What is the least a person should do before entering machinery space?
A. Wear appropriate PPE.
Q. Where can electrical equipment can be classified as exit as used?
A. In zone 1 and 2
Q. Pick the IEC symbol for explosion proof electrical protection.
A. Ex-d
Q. Smoke detectors are classified into the following
A. Photoelectric type and ionizing type.
Q. Statement on fire giving out different type of radiant energy; identify one that is not
true.
A. Fire give our ultrasonic radiation.
Q. The LNG liquefied is always stored in insulated tank on board a ship at a ——
temperature.
A. Extremely low.
Q. Following are the means of links available onboard to connect ship’s ESDS to shore
ESDS, Except?
A. Bluetoothlink.
Q. The following are the communication connection integrated in the ESDS fiber optic system, except?
A. 1 connection satellite telephone.
Q. Function of a backup squad on a typical liquefied gas tank ship is stated; find one statement that is not true?
A. The backup squad need to support emergency team when they no longer need backup.
Q. Function of command center on typical liquefied gas tank ship are stated; find one that is clearly flawed?
A. The master must have cadets and the second mate support him at the command center.
Q. What require prior commencement of any LNG bunkering operation?
A. Completion of safety checklist.
Q. What is the typical content of carbon dioxide in inert gas produced by an inert gas generator
A. 15%
Q. Which is the following statement is true for an ideal gas according to Boyle’S law if?
A. PxV = Constant
Q. Why LNG liquefied for sea transportation?
A. Its makes it more economical and transportation.
Q. What is the quantity of heat absorbed on vaporisation at normal boiling point?
A. Latent heat.
Q. The large breathing organ of the body is ————-
A. Skin.
Q. Firefighting measures shown in MSDS will no include?
A. Training requirement for firefighting and special protective equipment
Q. Which of the following current level leads to muscular contraction?
A. 0.015A
Q. A radar tank gauge is stamped eexia IICT4. What is the maximum surface temperature allowed?
A. 135ºc
Q. A tank atmosphere is influence by the presence of various hazardous material and its oxygen level. Identify an incorrect assumption from the following statement on hazard involving tank.
A. Highly dangerous; oxygen level 19.5 – 21.4%
Q. The poisonous material first affect the ————–cells and stop the oxygen flow.
A. Brain.
Q. Statement on lockout/ tag out procedure for isolating machinery for repair work, find one statement that is incorrect?
A. A lockout devise is placed on the machine or equipment to be serviced to ensure the machine or equipment can be manually operated until the lockout devised is removed.
Q. Find the incorrect statement in all?
A. There is no statuary requirement for ship to detection of fires
Q. ————is a chemical combination of flammable substance with oxygen
A. Combustion
Q. The way to depend on a fire detection system will be /
A. Unacceptable and, one must be prepare for fire and have fire detection and firefighting system onboard.
Q. Gas carrier pollution guideline and regulation: find an error statement?
A. The 2010 HNS convention remains the regime under which ship-owners may seek to limit their liability for the LNG/LPG related incident.
Q. In relation to energy emergency designed index (EEDI) for liquefied gas vessel; find an incorrect statement/
A. EEDI is a prescribed technical and designed improvement guideline for energy efficiency.
Q. Statement on evaluation of OPA90 the American “oil pollution act of 1990” are listed; find an error statement.
A. The only reason for Exxon Valdez accident was her failure.
Q. Issue of greenhouse gases; identified an incorrect statement.
A. SEEMP is not just a best practice, but mandatory regulating requirement.
Q. Methane and Formaldehyde problem in gas burning; find and inaccurate statement?
A. The larger the engines value overlaps the lower the methane slip and the formaldehyde.
Q. Vapor/air emission from liquefied gas tank comments; identify wrong one
A. Venting of cargo to maintain cargo tank pressure and temperature is not acceptable except when approves by the classification society inspection and surveys.
Q. Which of the following statement is false.
A. Both the deck and engine officer must be proficient in the operation of the IG driers.
Q. In the process of Isobaric evaporation of water, the line BC does not represent,
A. Change of the state from vapor at C to liquid at B
Q. Which crew members are required to meet the requirement for advance training?
A. Master, engine officer and those with immediate responsibility.
Q. Which bunkering option is least hazardous?
A. Portable tank transfer.
Q. First aid measures will not include in MSDS?
A. Detail of any medical treatment as a follow-up from first aid is needed.
Q. Onboard a membrane class LNG Tanker, what is the typical gas heater outlet temperature control set at, during inerting operation using nitrogen?
A. -20ºc /-4deg f
Q. If the poisonous gas or material is swallowed, the —————membrane in the mouth absorbed it quickly
A. Mucous
Q. What is the type of gas detection system fitted to monitor gas content of the insulting spaces?
A. Infrared type/sequential measurement.
Q. There are ————-types of flammable limits
A. Two
Q. Why is the compatibility study recommended prior to a vessel “first arrival” at a particular port.
A. To study issue regarding safety, navigation, berthing and operation.
Q. Statement on satisfactory calibration and /or preparation for used the portable gas detection equipment. Find an error
A., They both operate similarly, and have some type of suction pumps.
Q. The soft—————-cloths are used for covering the frozen part of the skin.
A. Woolen
Q. Port state control inspection; which one of the following in your opinion should be
most serious indication of the lack of on boarding training?
A. Using appropriate span gas on the sensor.
Q. When treating chemical burn, how long should you run the area under cool running water
A. 20 min
Q. What should be done before commencing BUNKERING/UPLOADING test?
A. Exchange of ship – shore safety plan.
Q. Statement on safety precaution for working on board are listed; find one that is not strictly true?
A. Wearing jewellery such as a nose ring or a gold chain is prohibited in the machinery
space.
Q. If the person is chocking as a result of complete blockage.
A. Give 5 back blows, if unsuccessful then give 5 chests thrust.
Q. The way to not depend on a fire detection system will be———.
A. Un acceptable and one must be prepared for a fire
Q. Which type of detectors used bimetallic strips to detect a fire?
A. Heat detector
Q. Statement for the BI-METALLIC fire detection; find an error statement.
A. If the rate of rise of the temperature is not high enough to closed the gap an alarm is triggered.
Q. What is the minimum requirement for CO2 gas to be released to fight a fire in the engine room?
A. 85% of CO2 to be discharged within two minutes.
Q. The best way to discover a fire in its early stage?
A. Is by having a fire detection system
Q. Find the least important statement in all
A. There must be statuary requirement for ships in detection of fires and raised alarm.
Q. Fire fighters can control small LNG fire by using————
A. Dry chemical powder
Q. Function of the emergency team on a typical liquefied gas tank ship is stated; find one statement that is not correct.
A. If there is emergency in the engineer room, chief engineer takes the command center positon.
Q. In ships ESDS, an automatic element which energise ESDS due to temperature change
of the sensor, fitted at each tank domes and both manifold platform is known as:
A. Automatic fusible elements.
Q. The port and terminal regulation that affect gas carrier operation; find an incorrect statement
A. The gas ship need not conform to the industry guide lines ——————–
Q. Effort to minimize and prevent GHG emission may not include?
A. Accelerate the adoption of biogas system in the marine industry.
Q. For both ship and port, security plan must address the following issues; which one of the following activities will you rate as most imp
A. Monitoring and controlling access.
Q. Gas carrier pollution intervention guidelines and regulation under the US Laws; find an errors statement
A. The clean air act, as amended in 1990————
Q. LNG Shipping safety and security risk; identify an incorrect assumption
A. Cargo vessel 200 gross ton and larger… … … … … …
Q. Pollution in general and its effect on ecology statement; find what is inappropriate
A. Phenomena, such as radiation due to natural radioactivity in the earth, volcano eruption and the like are also considered as a pollution.
Q. Methane as GHG; find inappropriate statement.
A. If methane leaks into air, it absorbed the sun heat and cools the atmosphere
Q. Find the classification rule; error statement
A. The American bureau of shipping, the only class approved by govt.
Q. For the fuel tanks fitted with PRV which can be set more than one set pressure what is provided for each set pressure?
A) high pressure alarm
Q. To enter a hazardous area from a non-hazardous area?
A. An airlock should be provided
Q. If icing is not very effective, the next method to be followed is—– around the injuries.
a) Compressing.
Q. Fuel preparation room or compressor rooms if arranged, shall be located on an open deck, unless requirements of this?
a) code for tank connection spaces
Q. What is the use of bottled gas?
A. fuel for heating and cooking in remote locations.
Q. For engines fitted with ignition systems, when would the, correct operation of the ignition system on each unit shall be verified?
a) prior to admission of gas fuel
Q. The most important step in risk assessment is?
A) Hazard identification.
Q. The probability of a gas explosion in a machinery space with fueled machinery can be minimized. A) Gas. B) Low-flashpoint
A. Both (a) and (b).
Q. During bunkering an area of sufficient size that keeps off vessels, equipment, and cargo operations far enough away so that they pose little risk of damaging or interfering with the LNG bunkering system such an area is designated as:
C) Hazardous area.
Q. The fuel containment system shall be so designed that a leak from the tank or its connections does not. A) Harm persons on board. B) Endanger the ship. C) The environment
A. All of above
Q. Engine provide pilot fuel quantity below 1%
A) XDF
Q. What is the minimum clear opening of hatches or manhole through the length and breadth of the space?
A. Not less than 600mm by 800 mm at the height of not more than 600 mm from the bottom.
Q. What is the number and power of the ventilation fans?
A. Not reduced by less than 50.
Q. For the fuel tanks fitted with PRV which can be set more than one set pressure what is provided for each set pressure?
A. high pressure alarm
Q. To enter a hazardous area from a non-hazardous area?
A. An airlock should be provided
Q. If icing is not very effective, the next method to be followed is around the injuries.
A. Compressing.
Q. Fuel preparation room or compressor rooms if arranged, shall be located on an open deck, unless requirements of this?
A. code for tank connection spaces
Q. What is the use of bottled gas? a) fuel for heating b) cooking in remote locations
A. both (a) and (b)
Q. For engines fitted with ignition systems, when would the, correct operation of the ignition system on each unit shall be verified?
A. prior to admission of gas fuel
Q. The most important step in risk assessment is?
A. Hazard identification
Q. The fuel containment system shall be so designed that a leak from the tank or its connections does not A) Harm persons on board B) Endanger the ship C) The environment
D) All of above
Q. If portable tanks are used for fuel storage, design of the fuel containment system shall be:
A. Need not be equivalent to permanent installed tanks
Q. A risk assessment will be conducted to ensure that risks arising from the use of affecting person onboard the environment, the structural strength or the integrity of the ship are addressed A) Gas-fuel B) Low-flashpoint fuels
C) Both (a) and b
Q. Ventilation systems is required to avoid
A. Gas accumulation
Q. Common causes like – improper hose connection excessive movement of the loading arm or transfer system supply vessel drifts or sails away with hose still connected, etc can lead to which events during LNG bunkering?
A. Inadvertent disconnection of hoses
Q. Personnel should not enter or work in a tight or enclosed space until which condition?
A. Safe working condition
Q. LNG is bought and sold on its calorific contents and expressed in
A. Metric million British thermal unit (MMBtu)
Q. What makes up the standard shipboard parameters for custody transfer measurement
A. Temp, level, pressure and density
Q. Critical pressure of Ethanol is
A. 61.5 bar abs
27) Fuel preparation room comprises of which equipment: A) HP vaporizer B) BOG compressor C) Glycol skid
A. All the above
Q. Fuel tanks designed to withstand the____ of the under conditions of the upper ambient design temperature
A. full gauge vapour pressure
Q. Natural Gas Liquids are carried at -45deg at vapour pressure of
A. 5 bar
Q. Electric equipment installed in explosion hazardous space and areas A) Should have routine maintenance schedule as per PMS B) Must be inspected and surveyed as per requirement of administration C) Should have the procedures and information regarding in-service survey. Maintenance and testing
A. All the above
Q. The inlet or the duct may be from a
A. Hazardous machinery space
Q. Accident limit states (ALS) relevant design of limit state design of fuel containment systems
A. Concern the ability of the structure to resist accident situations
Q. What is the danger of LNG spill from any connection during bunkering
A. Formation of huge vapor cloud around the connection area.
Q. The duct should also be pressure tested to show that it can withstand the expected at gas pipe rub.
A. Maximum pressure
Q. The bunkering system shall be so arranged.
A. No leakage takes place
Q. A set of two valves in series in a pipe and a thru varve enabling the pressure release from the pipe between those two values. The arrangement is known as:
A. Double block and bleed valve
Q. In overflow control, what will an additional sensor operating independently of the high liquia level alarm do?
A. Automatically actuate a ESD (Incl Loading) valve
Q. As per the regulation, it shall be possible to empty, purge and vent fuel storage tanks with fuel piping systems. Prior to venting with dry air to avoid an explosion hazardous atmosphere in tanks and fuel pipes what should be performed?
A. Inerting shall be performed
Q. The probability of a gas explosion in a machinery space with ___fueled machinery can be minimized. A) Gas B) Low-flashpoint
A. Both (a) and (b)
Q. WHICH CARGO AMONGST BELOW LISTED ONES CARRIES A RISK OF POLYMERISATION?
A. VINYL CHLORIDE
Q. ETHYLENE CARRIERS USE:
A. Semi-pressurised and refrigerated tanks.
Q. A VESSEL LOADS A CARGO OF AMMONIA AND OBTAIN MSDS FOR AMMONIA FROM SHIPPER, WHICH OF FOLLOWING INFORMATION IS AVAILABLE IN MSDS SHEET?.
A. That the main hazards of ammonia are TOXIC & CORROSIVE
Q. ACCIDENTAL RELEASE MEASURES IN MSDS WILL NOT INCLUDE
A. Instructions for informing immediate authorities on accidental release.
Q. WHICH LAW STATES THAT THE SUM OF PARTIAL PRESSURES OF THE CONSTITUENT GASES OF A MIXTURE OF GASES IS EQUAL TO THE TOTAL PRESSURE OF THE GAS MIXTURE
A. Dalton’s law of Partial pressures
Q. THE OUTLET FROM THE PRESSURE RELIEF VALVE SHALL NORMALLY BE LOCATED ATLEAST —— FROM THE AIR INTAKE, AIR OUTLET OR OPENING TO ACCOMODATION
A. 10 Metres
Q. IS THE STANDARD MEASUREMENT OF ATMOSPHERIC PRESSURE, WITH RESPECT TO 760 mm or 29.90 inches of HG.
A. 1012.5 millibars.
Q. THE BALANCING PIPELINE LYING BETWEEN THE SHORE TANK AND THE SHIP IS CALLED
A. Vapour return line.
Q:16: IN RELATION TO SHIP’S BOILER, IDENTIFY AN INCORRECT
A. All three forms of heat transmission do not occur in the boiler simultaneously.
A. In a fuel fired boiler, physical energy of fuel is converted to heat in the furnace
A. The movement of steam through the water creates turbulence and circulation
Q. WHAT IS THE METHOD USED ON BOARD LNG CARRIERS FOR REPLACING GASES IN CARGO TANKS
A. Displacement method
Q. IDENTIFY CORRECT SEQUENCE OF TANK PREPARATION FOR BUNKERING
A. Inerting, Gassing up & Cool down process.
Q. HOW IS REPLACEMENT OF GAS ACHIEVED IN A TANK BY DISPLACEMENT
A. A heavier incoming gas is introduced beneath a lighter existing gas at low velocity
Q. WITH REGARDS TO MARPOL, IDENTIFY INCORRECT STATEMENT
A. MARPOL 73/78 consists of 7 annexes, each set out regulations covering the various sources of ship-generated pollution
Q. IN RELATION TO SHIP’S BOILER THERMODYNAMICS, IDENTIFY INCORRECT STATEMENT
A. Enthalpy can be expressed as a total which must be measured from absolute zero
Q. THE MAXIMUM ALLOWABLE WORKING PRESSURE(MAWP) OF GAS FUEL TANK SHALL NOT EXCEED OF MARVS.
A. 90%
Q. WHAT IS THE CRITICAL TEMPERATURE OF BUTANE?
A. 135 deg.C
Q. IN RELATION TO SHIP’S BOILER, IDENTIFY INCORRECT
A. In a water tube boiler, the number of tubes is dictated by Furnace volume
Q: GREEN HOUSE GAS EFFECTS GLOBAL WARMING, IDENTIFY AN INCORRECT STATEMENT
A. ABOUT 40% OF MAN-MADE GLOBAL WARMING IS CAUSED BY METHANE
Q. ALL LNG LINES SHOULD BE FITTED WITH ——— TO PREVENT LIQUID SPILL
A. SAFETY VALVE
Q. IS REQUIRED FOR IMMEDIATE INERTING BECAUSE DELIVERIES ARE IN LIQUID FORM
A. NITROGEN VAPORISER
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