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单选题
To find the cause of a gasoline engine’s failure to start，you should（）.
A
Break the joint in the fuel line at the engine and let the gas run in the bilges
B
Disconnect the wires at the spark plugs and make the spark jump the gap
C
Prime the engine with ether through spark plug openings
D
Ventilate the space，then check the battery，spark plugs，carburetor，and fuel line
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更多 “单选题To find the cause of a gasoline engine’s failure to start，you should（）.A Break the joint in the fuel line at the engine and let the gas run in the bilgesB Disconnect the wires at the spark plugs and make the spark jump the gapC Prime the engine with ether through spark plug openingsD Ventilate the space，then check the battery，spark plugs，carburetor，and fuel line” 相关考题
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In the navigation,_______cause the shafting over load most easilyA.stopping the main engine suddenlyB.changing the main engine running direction suddenlyC.the sailing from the shallow water area to the deep water areaD.the ship's trim too much
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If the engine does start on air, but combustion does not immediately begin, the cause may be _____.A.failure of the fuel pumpsB.starting air pressure too lowC.stop valve in air line closedD.the turning gear still engaged
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Which of the following is the stated proper sequence before commencing cargo operations aboard Ro-Ro vessels?A.Start ventilation，lower the ramp，notify engine roomB.Lower the ramp，start ventilation，notify engine roomC.Notify engine room，lower the ramp，start ventilationD.Start ventilation，notify engine room，lower the ramp
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Before starting a gasoline engine on a motorboat，you should make sure for safety that ______．A.The gasoline tank is fullB.The bilges，cabins，etc．are thoroughly ventilatedC.You have fresh water on boardD.Each of the above is followed
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If a gasoline engine turns over freely but will not start，the cause is generally ______．A.A defective ignition systemB.Low lube oil levelC.Weak valve springsD.Too heavy a load
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Your vessel has a gasoline engine and a mechanical exhaust ventilation system．BEFORE starting the engine，the exhaust blower should be run long enough to ______．A.warm up the exhaust blower motorB.provide a proper supply of fresh air for the engine（s）C.see the system is in good operating conditionD.insure at least one complete change of air in the compartments concerned
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机舱人员应启动机舱里的消防泵。（）A、Engine room persons should stop their pumps in machinery space.B、Engine room persons should start their pumps in machinery space.C、Engine room persons should start their pumps in officer’s cabin.D、Engine room persons should start their pumps on boat deck.
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单选题If a diesel engine turned over freely but failed to start, the cause could be （）A
water in the fuelB
cold lube oilC
excessive starting air pressureD
excessive fuel pressure
考题
单选题During the running of the diesel engine, if the supply of cooling water is interrupted or the temperature of cooling water out of the cylinder is too high, the duty engineer should （）A
notify the duty officer, reduce the engine speed, take some measures to remove failuresB
notify the duty officer and stop the engine immediately, find the cause and remove failuresC
notify the C/ED
notify the captain
考题
单选题In the navigation, cause the shafting over load most easily（）A
stopping the main engine suddenlyB
changing the main engine running direction suddenlyC
the sailing from the shallow water area to the deep water areaD
the ship’s trim too much
考题
单选题Before starting a gasoline engine on a motorboat，you should make sure for safety that（）.A
the gasoline tank is fullB
the bilges，cabins，etc. are thoroughly ventilatedC
you have fresh water on boardD
Each of the above is followed
考题
单选题What determines the number of events occurring in a cycle of operation in an internal combustion engine?（）A
Crankshaft revolutionB
Type of engine (diesel or gasoline)C
Distance a piston travels during a strokeD
Number of pistons
考题
单选题Which cause of the following can lead to the engine not to start on air?（）A
starting air pressure too highB
correct timing of starting air valvesC
three of the starting valves stuckD
the turning gear disengaged
考题
单选题A diesel engine fails to start because of water in the fuelIn order to start the engine, you should （）?A
turn engine with jacking gearB
drain filters and strainers and bleed off water at each injection pumpC
use ether to start the engine with blow-down valves openD
blow through the cylinders and fuel lines with a drying agent
考题
单选题If a gasoline engine turns over freely but will not start，the cause is generally（）.A
a defective ignition systemB
low lube oil levelC
weak valve springsD
too heavy a load
考题
单选题Which of the following may cause that an engine doesnt run on starting air?（）A
too low starting air pressureB
main start valve closedC
neither A nor BD
A and B
考题
单选题If the engine does start on air, but combustion does not immediately begin, the cause may not be （）.A
low compressionB
failure of the fuel pump to discharge fuelC
incorrect timing of fuel pumpD
turning gear being still on
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单选题A diesel engine is similar to a gasoline engine except that the former has no （）.A
cross-headB
cylinderC
connecting rodD
spark plug
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单选题An engine compartment gasoline fire requires which type of extinguisher?（）A
Carbon dioxideB
Dry chemicalC
FoamD
All of the above
考题
单选题The diesel engine is similar to the gasoline engine in that （）.A
both of them are ignited by compressed airB
both of them are the forms of external combustion enginesC
both of them have spark plugsD
the power is developed by the piston in the cylinder
考题
单选题If the engine does start on air, but combustion does not immediately begin, the cause may be （）.A
failure of the fuel pumpsB
starting air pressure too lowC
stop valve in air line closedD
the turning gear still engaged
考题
单选题在TCH信道上收到下面哪条消息时计一次MC739掉话（）A
Connetion Failure Indication (cause'radio link failure')B
Connetion Failure Indication(cause'remmote transcoder failure')C
Connetion Failure Indication(cause'equipment failure')D
Connetion Failure Indication(cause'YY_TXPWR_M')
考题
单选题Before you start an engine in a compartment，it’s MOST important to（）.A
check the flame arresterB
check the fuel tankC
check the batteryD
ventilate the bilges
考题
单选题According to the relevant regulation, lifeboat should be powered by（）.A
inboard diesel engineB
outboard diesel engineC
outboard gasoline engineD
inboard gasoline engine
考题
单选题Operating a diesel engine for prolonged periods, with a closed freshwater cooling system, at temperatures lower than the normal design temperature can cause （）.A
the formation of sulfuric acidB
a decrease in lube oil viscosityC
a decrease in cooling water pHD
a thermostat failure
考题
单选题A four-stroke/cycle, 1000horsepower diesel engine fails to start at normal cranking speed with normal fuel pressure and ambient temperatureThe reason for the failure could be（）A
glazed liners or pistonsB
high lube oil pressureC
excessive compression ratioD
worn valve seats and valves
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