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单选题
The majority of automatic mooring winches are spur geared to improve the backward efficiency of the gear train for rendering（）
A
spur geared
B
screw geared
C
worm geared
D
belt driven
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考题
及时调整缆绳。（）A、Adjust the mooring lines on time.B、Adjust the mooring lines in time.C、Adjust the mooring lines quickly.D、Adjust the mooring lines slowly.
考题
单选题The spur geared mooring winches have advantages over worm geared ones in（）A
higher efficiency of the gear train while reversingB
the higher gear ratioC
the multi-start featureD
higher recovering speed
考题
单选题Get ready the mooring machinery, mooring lines and the gangway for （）.A
loading cargoB
arrival in portC
departure from portD
unloading cargo
考题
单选题In an automatic mooring winches, the wire is paid off the barrel at（） a tension and is recovered at（）tension.A
lower；igherB
maximum；higherC
predetermined minimum；higherD
predetermined maximum；lower
考题
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chosen from the majority and minority partiesC
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单选题A mooring system that results in a spread system without anchor buoys is called a（）.A
permanent chasing systemB
wire rope mooring systemC
shepherd's crook mooring systemD
spring buoy mooring system
考题
单选题Mooring winches are often combined with （） units so that one prime mover drives both.A
craneB
hatch coverC
windlassD
steering gear
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inherent vice of the cargoC
improper stowageD
rough handling
考题
单选题In automatic （） the winch may be overhauled and wire is paid off the barrel at a pre-determined maximum tension.A
cranesB
windlassC
capstansD
mooring winches
考题
单选题An anchor winch should be equipped with mechanical brakes capable of holding（）.A
half the breaking strength of the mooring lineB
the full breaking strength of the mooring lineC
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考题
单选题Worm geared automatic mooring winches are （） as the multi-start feature reduces the advantage of worm gear iethe high gear radio.A
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commonC
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考题
单选题The indication of a slipping anchor is a(n)（）.A
decrease in mooring line lengthB
increase in the opposite amperageC
increase in the opposite line tensionD
decrease in mooring line tension and amperage
考题
单选题A storm is forecast for the area where your vessel is moored. For its safety you should put （）.A
more slack in the mooring linesB
a strain on the mooring linesC
chafing gear on the mooring linesD
grease on the mooring lines
考题
单选题A “spring line” is（）.A
any wire rope used for mooringB
a fire-warpC
a mooring line running diagonally to the keelD
a mooring line perpendicular to the keel
考题
单选题（） shall be continuously powered and shall have an automatic changeover to a stand by power supply in case of loss of normal power supply.A
Cooling systemB
Alarm systemC
The air conditioning installationD
The mooring equipment
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