Petroleum cargo tanks should not be to

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

Aa subsequent temperature rise will cause the cargo to overflow
Bair pockets may cause the cargo to bubble out of the ullage hole
Cthe increased viscosity of the product requires higher loading pressure which increases the chances of a spill
Dthe tank valve may be stiff and a spill will occur before the valve can be closed

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分类：液体散装危险品与IBC规则题库

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