單項選擇題A solution to overcome tripping defects is an arrangement of special plates on either side of the flukes, designed to set them in the correct tripping position. These special plates are called（）.

A.trippers
B.stocks
C.awl
D.palms


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1.單項選擇題A spark arrestor（）.

A.keeps sparks from falling into an open tank
B.secures covers on ullage openings
C.prevents sparks from getting out of an enging's exhaust system
D.grounds static electicity

2.單項選擇題A stay is（）.

A.standing rigging
B.a downhaul
C.a halyard
D.a jib

3.單項選擇題A survival craft being used to pick up a person who has fallen overboard from a vessel ahould approach the person（）.

A.at a high rate of speed
B.under oars
C.against the wind
D.with the wind

4.單項選擇題A twin screw craft being used to pick up a person who has fallen overboard from a vessel should approach if you（）.

A.reverse port engine, apply right rudder
B.reverse port engine,rudder amidships
C.reverse starboard engine, apply right rudder
D.revers starboard engine, rudder amidships

5.單項選擇題A twin-screw ship going ahead on the otarboard screw only tends to move（）.

A.in a straight line
B.to port
C.from side to side
D.to starboard