默认题库 - 液体散货运及有关规则

单选题

How must each storage tank for helicopter fuel on a ship be marked?（）

A. DANGER - KEEP AWAY
B. DANGER - EXPLOSIVE VAPORS
C. DANGER - NO SMOKING
DANGER - FLAMMABLE LIQUID

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单选题

If you are bunkering and you close off one tank in the line of tanks being filled，the rate of flow to other open tanks on the same line will（）.

A. increase
B. decrease
C. stop
D. remain constant

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单选题

Increasing the number of slack liquid tanks has the effect of raising the（）.

A. uncorrected KG
B. maximum allowed KG
C. virtual height of the center of gravity
D. metacentric height

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单选题

Individual wires，used in systems greater than 50 volts,（）.

A. should be supported at 24 inch intervals with plastic tie wraps
B. should never be located in a tank
C. must be installed in conduit
D. All of the above

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单选题

On a vessel carrying grades A，B，C or D cargoes，enclosed spaces where sources of vapor ignition are normally present shall NOT be segregated from cargo tanks by（）.

A. cofferdams
B. galleys
C. pump rooms
D. tanks used to carry liquids having a flash point of 150°F or above

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单选题

On the all-purpose nozzle，the position of the valve when the handle is all the way forward is（）.

A. shut
B. fog
C. solid stream
D. spray

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单选题

In order to reduce the accumulation of static electricity while loading petroleum products，you should（）.

A. start to load at maximum pressure
B. start to load slowly
C. increase the air flow into the tank
D. use the overall method of loading only

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单选题

Protective clothing must be worn while sampling hazardous cargo on a tanker，and as a minimum includes（）.

A. a hood or hard hat
B. a face mask or goggles
C. boots
D. chemical resistant glove

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单选题

A SYSTEM OF CLEANING THE TANKS BY WASHING THEM WITH THE CARGO OF CRUDE OIL WHILE IT IS BEING DISCHARGED is known as（）.

A. COW
B. LOT
CBT
D. coferdam

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单选题

For the purpose of（）tank or hold washings from any vessel，an application shall be made to Harbor Authorities for approval.

A. discharging
B. recircling
C. loading
D. taking i

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