單項(xiàng)選擇題Safety shackles are fitted with（）.

A.a threaded bolt
B.a round pin，with a cotter pin
C.a threaded bolt，locknuts，and cotter pins
D.round pins and locknuts


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1.單項(xiàng)選擇題Required lifesaving equipment on existing vessels may becontinued in use on the vessel if（）.

A.kept on board no more than 2 years
B.inspected and serviced every 6 months
C.destroyed if more than 5 years old
D.maintained in good and serviceable condition

2.單項(xiàng)選擇題Lines passed around the falls to hold the boat while passengers are boarding are（）.

A.life lines
B.frapping lines
C.tricing lines
D.tripping lines

3.單項(xiàng)選擇題Life preservers should be stowed in（）.

A.the forepeak
B.messrooms
C.convenient protected topside locations
D.locked watertight containers

4.單項(xiàng)選擇題Life jackets should be marked with the（）.

A.maximum weight allowed
B.stowage space assigned
C.vessel's home port
D.vessel's name

5.單項(xiàng)選擇題Instructions to the crew in the use of all the ship’s lifesaving equipment shall be completed（）.

A.before sailing
B.within one week of sailing
C.in one month and repeated quarterly
D.within any two month period