secure the lifeboat in the davits when in the stowed position
bring the lifeboat close along the rail in the embarkation position
give the occupants a safety line when the boat is being lowered from the embarkation level
reduce the swinging of the lifeboat at the embarkation level
第1题：
What is the purpose of the limit switch on gravity davits?
A.To cut off the power when the davits hit the track safety stops
B.To stop the davits from going too fast
C.To cut off the power when the davits are about 12 inches or more from the track safety stops
D.None of the above
第2题：
What could be a result of insufficient lubrication of lifeboat winches and davits ________．
A.Moisture accumulation in winch motor damaging the electrical wiring
B.Freezing of gears in cold weather
C.Corroding of sheaves on the davits so they will not rotate
D.All of the above
第3题：
Your vessel has lifeboats on both sides. Lifeboat No. 2 is located ________.
A.forward of lifeboat No. 4 on the starboard side
B.forward of lifeboat No. 4 on the port side
C.aft of lifeboat No. 1 on the starboard side
D.All of the above
第4题：
forward of lifeboat No.4 on the starboard side
forward of lifeboat No.4. on the port side
aft of lifeboat No. 1 on the starboard side
All of the above
第5题：
Moisture accumulation in winch motor damaging the electrical wiring
Freezing of gears in cold weather
Corroding of sheaves on the davits so they will not rotate
All of the above
第6题：
Frapping lines ______．
A.secure the lifeboat in the davits when in the stowed position
B.bring the lifeboat close alongside the rail in the embarkation position
C.give the occupants a safety line when the boat is being lowered from the embarkation level
D.reduce the swinging of the lifeboat at the embarkation level
第7题：
Frapping lines are fitted to lifeboat davits to ______.
A.secure the lifeboat in the davits when in the stowed position
B.bring the life boat close along the rail in the embarkation position
C.give the occupants a safety line when the boat is being lowered from the embarkation level
D.reduce the swinging of the lifeboat at the embarkation level
第8题：
This illustration shows the correct method of securing a ______.
A.man-rope
B.frapping line
C.sea painter
D.lifeline
第9题：
limit switches
emergency disconnect switch
governor brake
position of the counterweight on the brake handle
第10题：
placed in a fixed bracket when being used
clamped to any position convenient for the coxswain to see it
permanently mounted on the lifeboat's centerline
mounted in the center of the boat to eliminate deviation