單項(xiàng)選擇題The strictest load line regulations apply to（）.

A.gas carriers
B.freighters (break-bulk)
C.passenger ships
D.tankers


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1.單項(xiàng)選擇題The shearing stresses on a ship’s structure are usually greatest at（）.

A.the bow
B.the stern
C.midships
D.the ship's quarter-length points

2.單項(xiàng)選擇題The safety stopper that prevents the anchor cable from running free if the cable jumps the wildcat is the（）.

A.riding pawl
B.devil's claw
C.buckler plate
D.spill pipe

3.單項(xiàng)選擇題The pivoting point of a fully loaded vessel with normal trim proceeding ahead at sea speed is（）.

A.right at the bow
B.one-third the length of the vessel from the bow
C.one-half the length of the vessel from the bow
D.two-thirds the length of the vessel from the bow

4.單項(xiàng)選擇題The objective of shoring a damaged bulkhead is to（）.

A.force the warped，bulged，or deformed sections back into place
B.support and hold the area in the damaged position
C.withstand subsequent additional damage
D.make a watertight seal at the damaged area

5.單項(xiàng)選擇題The main function of the drawworks on a ship is to（）.

A.transport tubulars from the pipe racks to the derrick floor
B.maintain constant tension on the marine riser
C.store and secure the excess drill line
D.lower and hoist the drill string into and out of the drilled hole