A.two rockets，one of which shall be the buoyant type
B.three rockets，one of which shall be the buoyant type
C.four rockets，two of which shall be the buoyant type
D.five rockets，two of which shall be the buoyant type
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A.the cap should be removed to drain the boat when it is waterborne
B.the cage must be free of rubbish or the ball may not seat properly
C.there is an automatic ball check located in a siphon tube
D.the small lever to release the rubber ball float must be turned counterclockwise
A.Frapping line
B.Tricing line
C.Rottmer release
D.Winch remote control wire
A.the mess room
B.each lifeboat
C.each industrial work site
D.each fire station
A.run as fast as the boat will go and keep the sea on the stern
B.secure the engine，put sea anchor over the bow，put out the oars，use sweep oar and back onto beach
C.go in under oars and put out the sea painter
D.put the sea broadside and let the boat drift ashore
A.Secured to the inboard side of a forward thwart and led inboard of the falls
B.Spliced into the ring on the stem post
C.Secured by a toggle to the stem post and led outboard of the falls
D.Secured by a toggle around the outboard side of a forward thwart
最新試題
On a ship，watertight doors should be operated（）.
Oily rags stored in a pile that is open to the atmosphere are a hazard because they may（）.
During the required periodic abandon ship drill aboard a ship，each person not assigned duties in the muster list is（）.
In order for the automatic lifeboat drain to operate properly（）.
How should the lifeboat sea painter be rigged?（）
On a vessel making a voyage more than 48 hours long，regulations require that（）.
Normally，potable water systems are connected directly to the（）.
The connection facilities for the international shore connection must be located to provide access（）.
On a ship，when may a work vest be substituted for a required life preserver?（）
Each open lifeboat carried on a vessel on an international voyage must have（）.