單項選擇題A bonding cable should be connected for cargo operations aboards a tank vessel as soon as the（）.

A.cargo has been loaded or discharged
B.cargo ghose is connected
C.cargo pumps are started
D.vessel is ready to handle cargo


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1.單項選擇題A cargo hose is marked with the（）.

A.maximum working pressure
B.bursting pressure
C.safety relief valve setting
D.maximum temperature

2.單項選擇題A cargo that has a stowage factor over 40 is known as a（）.

A.hygroscopic cargo
B.measurement cargo
C.stowage cargo
D.weight cargo

3.單項選擇題A carling is used aboard ship（）.

A.as a connecting strap between the butted ends of plating
B.to stiffen areas under points of great stress between beams
C.to prevent the anchor from fouling when the brake is released
D.to provide an extra heavy fitting in a lift cargo released

4.單項選擇題A change of trim may be simply defined as（）.

A.the change in difference between the forward and aft drafts
B.the sum of free communication, free surface and pocketing
C.the moment of inertia of the ship's waterline plane about the athwartship axis
D.rolling and listing

5.單項選擇題A cofferdam is（）.

A.any deck below the main deck and above the lowest deck
B.a member that gives fore-and-strength
C.made by placing two bulkhead a few feet apart
D.a heavy fore-and-aft beam under the deck