單項(xiàng)選擇題If a void occurs in the cargo hold,it is better to()to control the broken stowage.

A.brace it with dunnage
B.cover it with large pieces
C.fill it with small pieces
D.leave it as it is


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1.單項(xiàng)選擇題If a hydraulic pump on a winch accidentally stops while hoisting,the load will stay suspended because().

A.a check valve will close that prevents reverse circulation
B.a centrifugal counterweight counteracts the force of gravity
C.the electric pump motor will cut out
D.the control lever will move to the stop position

2.單項(xiàng)選擇題Hygroscopic cargoes should be ventilated when().

A.going from a warm to a cold climate
B.the dew point of the outside air is greater than the dew point of the air in the hold
C.the dew point of the air in the hold is very low
D.the outside dew point is 16℃ and the cargo temperature is 12℃

4.單項(xiàng)選擇題Green lights may appear on().

A.horizontally banded buoys
B.vertically striped buoys
C.yellow buoys
D.spherical buoys

5.單項(xiàng)選擇題During loading or discharging,the tallymen must make contact with()on duty so as to solve problems in time.

A.ship owner
B.ship’s officers
C.shippers
D.consignors