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单选题
To prevent the overflow of cargo tanks due to expansion, you should top off （）.
A
to the bottom of the expansion trunk
B
to within 1% to 3% of its capacity
C
to within 1% to 3% inches of its capacity
D
1 to 3 inches from top of the vent pipe
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更多 “单选题To prevent the overflow of cargo tanks due to expansion, you should top off （）.A to the bottom of the expansion trunkB to within 1% to 3% of its capacityC to within 1% to 3% inches of its capacityD 1 to 3 inches from top of the vent pipe” 相关考题
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How does an inert gas system on a tanker function to prevent explosions in cargo tanks?A.De-energizes the "charged mist" effectB.Maintains a positive pressure on the vent header to cool the flammable vaporsC.Inert gas filters out the flammable vapors from the cargo tank spacesD.Inert gas dilutes the flammable vapor and air concentrations to keep them below the lower explosive limit
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A claim for cargo damages may be held against the shipowner if such damage is the result of failure of the ship's officers to ______.A.ensure the fitness and safety of cargo spacesB.ensure adequate packaging of the cargoC.prevent delays due to quarantine restrictionsD.correct all defects in the ship's construction
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In no case shall ballast water be carried in cargo tanks，______ on those rare voyages when weather conditions are so severe that，in the opinion of the master，it is necessary to carry additional ballast water in cargo tanks for the safety of the ship.A.besidesB.in particularC.incase ofD.except
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Why is gas-freeing rarely required for LPG cargo tanks?A.LPG is compatible with all cargosB.LPG's high oxygen content makes it nonvolatileC.Cargo tanks are inspected less frequently than on oil tankersD.The cargo tanks are used for one type of cargo only
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You are cleaning the tanks after carrying a cargo of crude oil. Which statement is TRUE?A.Washing water should be recirculated if possible because it has the same electric potential as the cargo tank being cleanedB.The hoses to portable cleaning machines should be disconnected before the machines are removed from the tankC.The principal hazard with steaming cargo tanks is raising the ambient temperature above the flame point of the cargo residueD.Steam cleaning and water washing are both capable of generating electrostatic charges within a tank
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Generally speaking，the heavier cargo will go into the ______，distributing it evenly fore and aft，the lighter cargo will probably be placed in the ______．A.Deep tanks/lower holdsB.Lower holds/tweendecksC.Tweendecks/deep tanksD.Deep tanks/tweendecks
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What should you be concerned with when loading and securing vehicles aboard a Ro-Ro vessel ________．A.That all fuel is drained from the vehicles' tanks to prevent fire hazardB.The size，weight，and center of gravity of vehicle/cargo unitC.The preferred stowage of vehicles is athwartships wherever possibleD.The vehicles' brakes should not be set to allow for adjusting the lashings
考题
Valves on steam-smothering lines to cargo tanks shall be set with ______．A.The master control valve shut and valves to individual cargo tanks shutB.The master control valve open and valves to individual cargo tanks shutC.The master control valve shut and valves to individual cargo tanks openD.All valves open
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You are on a tanker designed to carry molten sulfur．Which statement is TRUE ________．A.There must be two portable toxic vapor detectors on boardB.The cargo tank ventilation system must maintain the H2S vapor concentration at 1.85% or more by volumeC.Cargo temperature may be taken by portable thermometersD.The pressure in the heating coils in the tanks must be less than that of the cargo exerted on them
考题
You are on a tanker discharging oil．When all of the oil that the main cargo pumps can handle is pumped out of a tank，the remainder is ______．A.Stripped out and pumped directly ashore into the mainline as the remaining cargo tanks are pumped out with the main pumpsB.Stripped to one tank and then pumped out with the main pumpsC.Stripped out and pumped directly ashore after all the tanks have been emptied by the main pumpsD.Gravitated to the centers from the wings and pumped out with the main pumps
考题
The venting system shall be provided with devices to prevent the passage of ______ into the cargo tanks．A.flameB.inert gasC.airD.oil gas
考题
单选题How does an inert gas system on a tanker function to prevent explosions in cargo tanks? （）A
De-energizes the charged mist effectB
Maintains a positive pressure on the vent header to cool the flammable vaporsC
Inert gas filters out the flammable vapors from the cargo tank spacesD
Inert gas dilutes the flammable vapor and air concentrations to keep them below the lower explosive limit
考题
单选题When you are transferring fuel oil to the setting tanks, precautions to be observed should include （）A
plugging gooseneck tank vents to prevent accident overflowB
maintaining a high transfer rate until a slight trickle of oil is observed flowing from the overflow lineC
sounding the tanks frequently and reducing the transfer rate as the level approaches maximum fillD
maintaining a supply of chemical dispersant to cleanup minor oil spills adjacent to the ship
考题
单选题Why is gas-freeing rarely required for LPG cargo tanks? （）A
LPG is compatible with all cargosB
LPG's high oxygen content makes it nonvolatileC
Cargo tanks are inspected less frequently than on oil tankersD
The cargo tanks are used for one type of cargo only
考题
单选题You are cleaning the tanks after carrying a cargo of crude oil. Which statement is TRUE? （）A
Washing water should be recirculated if possible because it has the same electric potential as the cargo tank being cleanedB
The hoses to portable cleaning machines should be disconnected before the machines are removed from the tankC
The principal hazard with steaming cargo tanks is raising the ambient temperature above the flame point of the cargo residueD
Steam cleaning and water washing are both capable of generating electrostatic charges within a tank
考题
单选题To determine which grades of cargo a tank vessel is permitted to carry you should（）.A
refer to the vessel's Certificate of InspectionB
examine the cargo tanks and fittingsC
ask the terminal supervisor or his representativeD
check the loading order
考题
单选题Generally speaking , the heavier cargo will go into the（）,distributing it evenly fore and aft, the lighter cargo will probably be placed in the（）.A
deep tanks/lower holdsB
lower holds/tweendecksC
tweendecks/deep tanksD
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考题
单选题According to the regulations，to prevent excessive pressure buildup in cargo tanks containing LFG，they are fitted with（）.A
pressure vacuum relief valvesB
excess flow valvesC
safety relief valvesD
flame screens
考题
单选题In no case shall ballast water be carried in cargo tanks，（）on those rare voyages when weather conditions are so severe that，in the opinion of the master，it is necessary to carry additional ballast water in cargo tanks for the safety of the ship.A
besidesB
in particularC
incase ofD
except
考题
单选题In（） ships, the cargo space is divided into tanks.A
containerB
dry cargoC
bulkD
liquid cargo
考题
单选题To prevent the overflow of cargo tanks due to expansion, you should top off （）.A
to the bottom of the expansion trunkB
to within 1% to 3% of its capacityC
to within 1% to 3% inches of its capacityD
1 to 3 inches from top of the vent pipe
考题
单选题按照SOLAS的油船货油舱的隔离的要求：Cargo pump-rooms， cargo tanks， slop tanks and cofferdams shall be positioned forward of machinery spaces. However， oil fuel bunker tanks need not be forward of machinery spaces. Cargo tanks and slop tanks shall be isolated from machinery spaces by cofferdams， cargo pump-rooms， oil bunker tanks or ballast tanks. Pump-rooms containing pumps and their accessories for ballasting those spaces situated adjacent to cargo tanks and slop tanks and pumps for oil fuel transfer， shall be considered as equivalent to a cargo pump-room within the context of this regulation provided that such pump rooms have the same safety standard as that required for cargo pump-rooms.问：对于某29.7万载重吨的VLCC船型，关于货油舱的隔离，下列哪一项不必位于机器处所的前方：（）A
货油泵舱；B
货油舱；C
污油舱（SLOP TANK）；D
燃油舱
考题
单选题Therefore you are requested to arrange（）for the above mentioned amount of additional cargo to be loaded on board.A
In due courseB
On timeC
In timeD
Swiftly
考题
单选题To determine which grades of cargo a tanker is permitted to carry you should（）.A
refer to the vessel's Certificate of InspectionB
examine the cargo tanks and fittingsC
ask the terminal supervisor or his representativeD
check the loading order
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