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单选题
In the cargo winch, spur reduction gearing transfers the motor drive to （）.
A
the toping light
B
the board brake
C
the fail-safe
D
the barrel shaft
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If an attempt is made to hoist a load that exceeds the capacity of an electric winch，an overload safety device causes a circuit breaker to cut off the current to the winch motor ______．A.when the line pull reaches the rated winch capacityB.after the line pull exceeds the rated winch capacityC.after a short build-up of torqueD.immediately
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When a cargo boom or crane is rated at varying capacities，there will be a table at the controls which relates safe working load to ______．A.winch speedB.boom strengthC.load radiusD.cable strength
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When using slings，cargo handlers should take all the following precautions except ______．A.Ensure that slings are securely fastened around the loadB.Avoid careless winch operations，especially when handling fragile cargoC.Exercise care when using hooks，crowbars，and similar toolsD.Keep the loads as close to the rail or deck as possible
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A whipping is ______．A.a messengerB.a stopper for nylon lineC.a U-bolt for securing a cargo whip to the winch drumD.turns of twine around a rope end
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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 loadB.An electromagnetic brake will hold the load where it is suspendedC.The load will fall rapidly to the deck unless the foot brake is engagedD.The load will slowly lower to the deck under control of the drag of the winch motor
考题
After seeing that the gears are free to engage ,put the windlass（） .A、into gearB、for gearC、onD、gearing
考题
头缆上车!（）A、Put head line on winch!B、Put stern line on winch!C、Hold on head line!D、Heave in head line.
考题
单选题A mechanical davit is designed to automatically（）.A
position the boat at the embarkation stationB
lift the boat off the inboard chocksC
energize the winch for the fallsD
set the brake on the winch
考题
单选题杂货船可以用自己的吊杆装卸货物。（）A
General cargo ships may load and discharge by her own winch.B
Bulk carriers may handle cargo by her own derricks.C
General cargo ships may load and discharge by her own derricks.D
General cargo ships may load and discharge by cranes.
考题
单选题Mechanical gearing of deck machinery such as the windlass or boat hoists should（）.A
be open to view so，if a foreign object gets in the gearing，the operator can immediately stop the machineryB
have a guard over the gearingC
be painted a contrasting color from the base color in order to call attention to the gearingD
not be operated if there is any crew within 10 feet of the machinery
考题
单选题The riding pawl is（）.A
a safety interlock in a cargo winch that prevents the runner from overspeedingB
a stopper that prevents the anchor cable from running free if the cable jumps the wildcatC
the device that locks the deck lashings of the Peck and Hale systemD
the lug that rides on the eccentric rib and engages the locking ring on the windlass
考题
单选题四则运算指令包括加法指令是（），减法指令是（），乘法指令是（），除法指令是（）。A
ADD/SUB/MOT/DIVB
SUB/ADD/MOT/DIVC
MVL/ADD/SUB/DIVD
DIV/ADD/SUB/MVL
考题
单选题The limit switches on a ships survival-craft winch system（）.A
stop the winch just before the craft reaches the final stowage positionB
limit the amount of cable on the drumC
limit the ascent rateD
stop the winch in case the craft weighs too much
考题
单选题A “stopper” is（）.A
a short length of line used for temporarily holding another lineB
a snatch block for handling a topping liftC
an engine order telegraphD
the brake on a cargo winch
考题
单选题A whipping is（）.A
a messengerB
a stopper for nylon lineC
a U-bolt for securing a cargo whip to the winch drumD
turns of twine around a rope end
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单选题The clutch band of a constant tensioning mooring winch must be set up tight enough to drive the winch drum and should slip only when （）.A
excessive loads are placed on the winchB
minimum pull is being exerted by the winchC
automatic operation of the winch is desiredD
wire is being retrieved at the maximum rate
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单选题（） allows the engine to be placed wherever is most suitable, as they no longer have to be aligned with reduction gearing and shafting as is the case with conventional installations.A
Diesel engine propulsionB
Diesel electric propulsionC
Steam engine propulsionD
Gas turbine propulsion
考题
单选题If an attempt is made to hoist a load that exceeds the capacity of an electric winch，an overload safety device causes a circuit breaker to cut off the current to the winch motor（）.A
when the line pull reaches the rated winch capacityB
after the line pull exceeds the rated winch capacityC
after a short build-up of torqueD
immediately
考题
单选题Electric cargo winches have an overload safety device which normally cuts the current to the winch motor（）.A
after torque causes line pull to exceed the rated capacity of the winchB
before the line pull reaches the rated capacity of the winchC
when the line pull reaches the breaking strength of the fallD
before the safe working load of the fall is reached
考题
单选题The oil in a cargo winch gear box should be sampled periodically to （）.A
prevent the gear box from leakingB
prevent the oil from becoming inflammableC
make sure it has not become contaminatedD
make sure the motor bearings are lubricated
考题
单选题What happens to the pulling power of a winch when retrieving wire rope?（）A
It increasesB
It decreasesC
It remains the sameD
It fluctuates，depending on the gearing system
考题
单选题When using slings，cargo handlers should take all the following precautions except（）.A
Ensure that slings are securely fastened around the loadB
Avoid careless winch operations，especially when handling fragile cargoC
Exercise care when using hooks，crowbars，and similar toolsD
Keep the loads as close to the rail or deck as possible
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