life lines
frapping lines
tricing lines
tripping lines
第1题:
A pelican hook ______.
A.can be released while under strain
B.is used for boat falls
C.is used for extra heavy loads
D.is used for light loads only
第2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3题:
While cranking out a quadrantal davit,slippage of the quadrant due to excessive wear or failure of the teeth in the quadrant will cause the ______.
A.Davit arm to pivot on the traveling nut and the head to fall outboard
B.Traveling nut to lock up in place on the worm gear
C.Limit switch to engage and hold the traveling nut in position
D.Winch brake to lock in position and prevent lowering the boat
第4题:
the painter
the after boat fall only if the boat is waterborne
both falls at the same time only if the boat is waterborne
both falls at the same time even if the boat has not reached the water
第5题:
the single hook at the top of the raft
two lines passed under the raft
the towing bridle
All of the above
第6题:
An inflatable life raft should be lifted back aboard the ship by using ______.
A.the single hook at the top of the raft
B.two lines passed under the raft
C.the towing bridle
D.All of the above
第7题:
“Single up forward to headline and spring!” means “ ()”.
第8题:
When landing a lifeboat through heavy surf with a strong current running parallel to the beach(from right to left when facing from seaward)the recommended procedure is to______.
A.approach while coming to the left to take advantage of the current
B.drop an anchor outside the surf line,then pay out anchor line over the bow while the seas carry the boat toward the beach
C.approach slow enough so that the boat can be brought around to meet breaking seas on the bow
D.rig a drogue with tripping line over the bow,back ashore with drogue tripped between breakers
第9题:
the single hook at the top of the raft
two lines passed under the raft
the towing bridle
All of the above
第10题:
can be released while under strain
is used for boat falls
is used for extra heavy loads
is used for light loads only