單項(xiàng)選擇題Gross tonnage indicates the vessel’s（）.

A.displacement in metric tons
B.total weight including cargo
C.volume in cubic feet
D.the volume of the enclosed space


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1.單項(xiàng)選擇題Grinding to eliminate shallow surface defects should be done（）.

A.parallel to the longitudinal direction of the chain
B.perpendicular to the direction of the anchor chain
C.diagonally across the link of the anchor chain
D.around the circumference of the chain link

2.單項(xiàng)選擇題Fuel oil tank vents are fitted with a screen which will stop（）.

A.oil from flowing out of the tank vent
B.air from entering the tank vent
C.vapors from leaving the tank vent
D.flames on deck from entering the tank vent

3.單項(xiàng)選擇題Freeboard is measured from the upper edge of the（）.

A.bulkwark
B.deck line
C.gunwale bar
D.sheer strake

4.單項(xiàng)選擇題Forecastle deck is located in the ship’s（）.

A.bow stem
B.stern
C.portside
D.starboard side

5.單項(xiàng)選擇題Electric cargo winches have an overload safety device which normally cuts the current to the winch motor（）.

A.after torque causes line pull to exceed the rated capacity of the winch
B.before the line pull reaches the rated capacity of the winch
C.when the line pull reaches the breaking strength of the fall
D.before the safe working load of the fall is reached