更多"[单选题] An anchor winch should be equ"的相关试题:
[单选题] Anchor shackles should have a breaking strength that is ______．
A.equal to the chains they are connecting
B.25% more than the chains they are connecting
C.50% more than the chains they are connecting
D.100% more than the chains they are connecting
[单选题] Running an electric winch at slow speed over a long period of time causes ______．
A.the speed to be retarded by the friction brake
B.a load to go downward at full speed
C.the circuit breaker to turn off
D.the resistors to overheat and eventually burn out
[单选题] If a hydraulic pump on a winch accidentally stops while hoisting，the load will stay suspended because ______．
A.A check valve will close that prevents reverse circulation
B.A centrifugal counterweight counteracts the force of gravity．
C.The electric pump motor will cut out
D.The control lever will move to the stop position
[单选题]In the cargo winch,spur reduction gearing transfers the motor drivethe barrel shaft.
A.from
B.to
C.into
D.at
[单选题] If an electric cargo winch is being used to lift a draft of cargo and the engine room loses all power，which will occur ________．
A.A pawl，forced by a spring mechanism，will engage the teeth of the bull gear and hold the load
B.An electromagnetic brake will hold the load where it is suspended
C.The load will fall rapidly to the deck unless the foot brake is engaged
D.The load will slowly lower to the deck under control of the drag of the winch motor
[单选题] What happens to the pulling power of a winch when retrieving wire rope ________．
A.It increases
B.It decreases
C.It remains the same
D.It fluctuates，depending on the gearing system
[单选题]按下音响控制面板(ACP)上的MECH键
A.可通过耳机与地面机械通话
B.可通过音响控制面板按钮与地面机务人员通话
C.可通过音响控制面板内话按钮与地面机务人员通话
D./
[单选题] SeA.anchor是: ( )
A.海锚
B.海绵
C.手电
D.天棚
[单选题] A Danforth lightweight anchor does NOT hold well in which type of bottom ________．
A.Mud
B.Grass
C.Sand
D.Clay
[单选题] An LWT anchor often has difficulty tripping in ______．
A.Sand
B.Soft soil
C.Stiff clay
D.Heterogeneous soil
[单选题] The holding capabilities of an anchor are determined PRIMARILY by the ______．
A.design of the anchor
B.weight of the anchor
C.scope of the anchor chain
D.size of the vessel
[单选题] A design modification of an anchor chain which prevents kinking is the ______．
A.Detachable link
B.Stud link
C.Kenter link
D.Connecting link
[单选题] LIFTING THE ANCHOR FROM THE BOTTOM is called ______.
A. broaching the anchor
B. shifting the anchor
C. walking the anchor
D. weighing the anchor
[单选题] When dropping anchor，you are stationed at the windlass brake．The most important piece（s）of gear is（are）______．
A.A hard hat
B.A long sleeve shirt
C.Gloves
D.Goggles
[单选题] When using the anchor to steady the bow while approaching a dock you must be aware of the fact that ______．
A.the vessel will tend to take a large sheer towards the side where the anchor is down
B.steering control is ineffective in trying to turn to the side opposite to that of the anchor being used
C.the anchor cable must never lead under the hull
D.using an offshore anchor decreases the chances of the anchor holding
[单选题] The opening in the deck beneath the anchor windlass that leads to the chain locker is the ______．
A.Hawse pipe
B.Fall pipe
C.Drop-pipe
D.Spill pipe
[单选题] Releasing oil from the sea anchor of a survival craft may ______．
A.keep the propeller from being fouled
B.increase propeller speed
C.help calm the waves in the vicinity of the craft
D.increase the holding power of the sea anchor
