單項(xiàng)選擇題Regulations require that tank vessels handling grade B liquids shall have their cargo pumps separated from all sources of vapor ignition by().

A.cofferdams
B.empty cargo spaces
C.gas tight bulkheads
D.areas equipped with power ventilation


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1.單項(xiàng)選擇題Regulations require that pumprooms on tank vessels carrying grade C liquid cargo with machinery spaces below the freeboard deck be ventilated with().

A.power ventilation
B.gooseneck vents and flame screens
C.at least two ducts extending to the weather deck
D.a vent header system

2.單項(xiàng)選擇題Regulations require that cargo tanks carrying grades D or E liquids on tank barges be vented with().

A.gooseneck vents and flame screens
B.pressure-vacuum relief valves
C.branch vent lines and a vent header
D.forced draft blowers

3.單項(xiàng)選擇題Regulations require that cargo pumps in tankers carrying grade D liquid cargo shall be isolatedfrom sources of vapor ignition by().

A.cofferdams
B.gastight bulkheads
C.passageways or living quarters
D.general cargo spaces

5.單項(xiàng)選擇題Petroleum cargo tanks should not be topped off at deck level when loading on a cold day because().

A.a subsequent temperature rise will cause the cargo to overflow
B.air pockets may cause the cargo to bubble out of the ullage hole
C.the increased viscosity of the product requires higher loading pressure which increases the chances of a spill
D.the tank valve may be stiff and a spill will occur before the valve can be closed

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If a leak occurred while loading diethylenetriamine,the chemical data guide indicates you would smell an odor similar to().

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Inerting means().

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After making the required notification that a large oil spill into the water has occurred,the FIRST action should be to().

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The designations A,B,C,D and E grades of cargo refer to the().

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Releasing oil from the sea anchor of a survival craft may().

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Regulations require that tank vessels handling grade B liquids shall have their cargo pumps separated from all sources of vapor ignition by().

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Regulations require that pumprooms on tank vessels carrying grade C liquid cargo with machinery spaces below the freeboard deck be ventilated with().

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During loading and discharging operations,in addition to when the cargo tanks have been properly filled,each inert gas system must be capable of maintaining a minimum gas pressure of().

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Unless such oil tanker carries crude oil which is not suitable for crude oil washing,the oil tanker shall()the system in accordance with the requirements of that Regulation.

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