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
更多“Petroleum cargo tanks should not be topped off at deck level when loading on a cold day because（）.”相关的问题
A、LPG is compatible with all cargos B、LPG's high oxygen content makes it nonvolatile C、Cargo tanks are inspected less frequently than on oil tankers D、The cargo tanks are used for one type of cargo only
A、eliminating sparks and fire in the vicinity of cargo tanks B、removing all hydrocarbon gases from the cargo tanks C、blanketing cargo tanks with inert foam D、reducing the oxygen concentration below levels necessary for combustion
A、A.eliminating sparks and fire in the vicinity of cargo tanks B、B.removing all hydrocarbon gases from the cargo tanks C、C.blanketing cargo tanks with inert foam D、D.reducing the oxygen concentration below levels necessary for combustion
A、aid in the stripping and cleaning of cargo tanks B、increase the rate of discharge of cargo C、force toxic and explosive fumes from a cargo tank to vent to the outside atmosphere D、lower the oxygen levels inside cargo tanks，making explosion nearly impossible
A、aid in the stripping and cleaning of cargo tanks B、increase the rate of discharge of cargo C、force toxic and explosive fumes from a cargo tank to vent to the outside atmosphere D、lower the oxygen levels inside cargo tanks, making explosion nearly impossible
A、one meter from the tank bottom and one meter below the tank top B、one half the ullage of the tank and one meter below the tank top C、one half the ullage of the tank and one meter above the tank bottom D、at three meter intervals from the tank top to the bottom
A、one meter from the tank bottom and one meter below the tank top B、one half the ullage of the tank and one meter below the tank top C、one half the ullage of the tank and one meter above the tank bottom D、at three meter intervals from the tank top
A、one meter from the tank bottom and one meter below the tank top B、one half the ullage of the tank and one meter below the tank top C、one half the ullage of the tank and one meter above the tank bottom D、at three meter intervals from the tank top
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