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单选题
A vessel emitting harmful substances into the air or spilling oil into the sea is a（）.
A
polluter
B
emitter
C
spiller
D
oiler
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单选题When an auxiliary boiler is panting and emitting black smoke, you should （）.A
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decrease the fuel oil supply pressureD
increase the air supply
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notify the competent authoritiesB
sound the alarmC
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A plasma display is emitting infrared noise.
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单选题Which statement is TRUE concerning the gooseneck（）.A
It is a sailing maneuver which brings the vessel's head through the windB
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It is a sailing condition where there is a loss of air flow over the sailsD
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单选题The latest annex of MARPOL 73/78 is about（）A
the Prevention of Pollution by OilB
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Prevention of Pollution by Garbage from ShipsD
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单选题Water is a very effective fire extinguishing agent because it（）A
will remove all the toxic fumes from the airB
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单选题It should be noted（）the use of synthetic mooring ropes able to produce sparks by their manipulation is absolutely forbidden on board petroleum tankers and LPG or LNG carriers, or any vessel carrying inflammable substances.A
thatB
whichC
whoD
these
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单选题If an air compressor is used to supply compressed air to outlets throughout the engine room and on deck of a vessel, the system is known as the （）.A
combustion control air systemB
supply air systemC
ships service air systemD
low pressure deck air system
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单选题What should all countries do to help solve the problem of global warming?A
They should replace all the harmful substances.B
They should willingly undertake legal commitments about their energy uses.C
They should hold another world conference on climate change.D
They should provide advanced technology.
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单选题Which statement is TRUE concerning gasoline vapors on board a vessel（）.A
They are heavier than air and will settle in the lowest part of the vesselB
They are lighter than air and will settle in the highest part of the vesselC
They should be vented into the engine to improve combustionD
They should be vented into the wheelhouse
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单选题As a defense against air-pollution damage, many plants and animals _____ a substance to absorb harmful chemicals.A
relieveB
releaseC
dismissD
discard
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单选题On a tank vessel, which of the following substances would be burning in a class "B" fire?（）A
OilB
WoodC
RagsD
Electrical wiring
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单选题Which statement is TRUE concerning fuel vapors on a vessel（）.A
Fuel vapors gather in the lowest portions of the vesselB
Fuel vapors can only be ignited by an open flameC
Vent outlets should be located above the level of the carburetor air intakeD
None of the above
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