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Speed limits should lead（） fewer deaths on the roads.
Ato
Boff
Con
Din
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We should always keep in mind that ______ decisions often lead to bitter regrets.A.hasty
B.instant
C.prompt
D.rapiD.
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B.reduce
C.check
D.reflect
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Dr. Calerin's efforts could lead to the development of a treatment for cancer, but they havereceived __________ media attention.A. least
B. a few
C. little
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单选题One major disadvantage of a low-speed diesel as compared to a steam main-propulsion system is（）.A
the extra weight required for the diesel reduction gearingB
a minimum speed for the engines that limits the minimum speed of the vesselC
the higher fuel consumption per SHPD
the low efficiency of the system when a controllable pitch propeller is used
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单选题To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）A
Speed limiting governorB
Over-speed governorC
Over-speed tripD
Over-speed relay
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单选题The owner or Master of a towing vessel shall ensure that each person that directs and controls the movement of the vessel can accomplish all of the following EXCEPT（）.A
evaluate the danger of each closing visual or radar contactB
adjust speed with due regard for the weather and visibilityC
reduce speed only where local speed limits are postedD
enter all required test and inspection results in the vessel's log or other record carried on board
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单选题Which of the following procedures should be carried out when a large, low-speed, diesel engine is operated with one cylinder secured?（）A
Lubrication to the defective cylinder should be increasedB
Cooling water temperature to the engine should be increasedC
Only the turbocharger speed should be reducedD
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单选题When attempting to start a main propulsion diesel engine, the engine, the engine turns at the proper speed but will not startYou should check the（）A
starting air pressureB
scavenge air pressureC
over-speed tripD
banjo oiler line
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单选题If a main propulsion diesel engine hunts excessively at idle speed, you should （）A
adjusts the idle speed controlB
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smoky exhaustB
starting failureC
overloadD
over speed
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smoky exhaustB
starting failureC
overloadD
over speed
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单选题Defective governor in a diesel engine may lead to （）.A
smoky exhaustB
starting failureC
ignition relayD
over speed
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单选题You are running parallel to the coast and estimate that the current is against you.In plotting a running fix using bearings from the same object on the coast，the greatest safety margin from inshore dangers will result if what speed is used to determine（）.A
Minimum speed estimateB
Maximum speed estimateC
Average speed estimateD
A running fix should not be used under these conditions
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单选题To avoid shock ,you should reduce speed by（）（低速）control.A
low speedB
high speedC
inchingD
slow speed
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单选题How should you warm up a diesel engine that has not been run for some time? （）A
Run it at minimum speed for a period of timeB
Run it at half speed for a period of timeC
Bring it to top speed immediatelyD
Inject ether into the air intake
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