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Regulations require that cargo tanks in which grades B or C liquids are carried must be vented with which of the following ________．
A.Gooseneck vents
B.Flame screens
C.Pressure vacuum relief valves
D.Forced draft blowers
参考答案
更多 “ Regulations require that cargo tanks in which grades B or C liquids are carried must be vented with which of the following ________．A.Gooseneck ventsB.Flame screensC.Pressure vacuum relief valvesD.Forced draft blowers ” 相关考题
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单选题Regulations require that cargo pumprooms on tank barges (constructed in 1965) carrying grades B or C liquid cargoes have power ventilation systems which can completely change the air in （）.A
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单选题Regulations require that tankers handling grade B liquids shall have their cargo pumps separated from all sources of vapor ignition by（）.A
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单选题You are on a cargo vessel carrying toluol in bulk in portable tanks. Which is a requirement for pumping the toluol? （）A
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单选题To determine which grades of cargo a tank vessel is permitted to carry you should（）.A
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单选题According to regulations，access to a cargo pumproom in a tanker carrying grades C or D liquid cargo shall be（）.A
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单选题Regulations require that cargo pumps in tankers carrying grade D liquid cargo shall be isolatedfrom sources of vapor ignition by（）.A
cofferdamsB
gastight bulkheadsC
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general cargo spaces
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单选题Regulations require that cargo tanks carrying grades D or E liquids on tank barges be vented with（）.A
gooseneck vents and flame screensB
pressure-vacuum relief valvesC
branch vent lines and a vent headerD
forced draft blowers
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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
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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
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单选题When carrying a cargo of asphalt or molten sulfur，which are carried at temperatures of over 300°F，one of the biggest dangers is（）.A
water in the tanks or pipelinesB
having the cargo too coolC
explosion of vapors after dischargeD
inadequate ullage space
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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单选题In the case of new crude oil tankers，the additional ballast permitted shall be carried in cargo tanks only if such tanks have been（）before departure from an oil unloading port or terminal.A
inertedB
crude oil washedC
dilutedD
cleaned
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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
cofferdamsB
galleysC
pump roomsD
tanks used to carry liquids having a flash point of 150°F or above
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单选题Regulations require that tank vessels handling grade B liquids shall have their cargo pumps separated from all sources of vapor ignition by（）.A
cofferdamsB
empty cargo spacesC
gas tight bulkheadsD
areas equipped with power ventilation
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