How should cargo tank hatches be protected when the ullage opening is open and the tank NOT gas free?（）

A、With gooseneck vents

B、With warning signs

C、With flame screens

D、With pressure-vacuum relief valves

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更多“How should cargo tank hatches be protected when the ullage opening is open and the tank NOT gas free?（）”相关的问题

第1题

[] Never（）stowed like this.

A、A.optional cargo should be B、B.should optional cargo be C、C.should be optional cargo D、D.should optional cargo

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第2题

[单选题] （）is just to put it（）and notify me as to where and how the cargo was damaged．

A、What you ought to do with the damaged cargo／aside B、What you should do with the damaged cargo／beside C、What will you do with the damaged cargo／besides D、What have you to do with the damaged cargo／side by side

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第3题

[单选题] （）is just to put it（）and notify me as to where and how the cargo was damaged.

A、What you ought to do with the damaged cargo/aside B、What you should do with the damaged cargo/beside C、What will you do with the damaged cargo/beside D、What have you to do with the damaged cargo/side by side

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第4题

[单选题] The （）(箱装货) should be handled by cargo tray.

A、bagged cargo B、drummed cargo C、cased cargo D、packed cargo

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第5题

[单选题] The （）(桶装货) should be loaded by cargo net.

A、bagged cargo B、drummed cargo C、cased cargo D、deck cargo

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第6题

[] 复合斜面夹角θ交线的方位计算表达式正确的是（）

A、A.tanα＝tanαncosβ B、B.tanφ＝tanα／tanβ C、C.tanθ＝tanα／sinφ D、D.tanθ＝tanα／sinω