更多"Before starting a gasoline engine o"的相关试题:
[单项选择]Before starting any diesel or gasoline engine，which of the following must be checked? （）
A. Oil level
B. Flow of cooling water
C. Exhaust discharge
D. All of the above
[单项选择]A diesel engine burns （） a gasoline engine of the same capacity in the same period of time.
A. as much fuel as
B. less fuel than
C. less fuel as
D. more fuel than
[单项选择]A diesel engine is similar to a gasoline engine except that the former has no （）.
A. cross-head
B. cylinder
C. connecting rod
D. spark plug
[单项选择]If a gasoline engine turns over freely but will not start，the cause is generally（）.
A. a defective ignition system
B. low lube oil level
C. weak valve springs
D. too heavy a load
[单项选择]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
[单项选择]An engine compartment gasoline fire requires which type of extinguisher?（）
A. Carbon dioxide
B. Dry chemical
C. Foam
D. All of the above
[单项选择]Before starting a diesel engine that has an engine driven lube oil pump, the engineer should （）.
A. open the bypass line
B. cut in the lube oil cooler
C. pressurize the lube oil system
D. top off the expansion tank
[单项选择]Before starting an engine by air, the engine must（）
A. be turned by a turning gear for at least one minute
B. be turned by a turning gear for at least two minutes
C. be turned at least one complete turn
D. be turned at least two complete turns
[单项选择]The diesel engine is similar to the gasoline engine in that （）.
A. both of them are ignited by compressed air
B. both of them are the forms of external combustion engines
C. both of them have spark plugs
D. the power is developed by the piston in the cylinder
[单项选择]About half an hour before the engine is required, cooling water at （） must be circulated.
A. more than the working temperature
B. less than the working temperature
C. the working temperature
D. the same as the surrounding temperature
[单项选择]Before starting the engine the air bottle should be （）.
A. pumped up
B. loaded
C. discharged
D. opened
[单项选择]Before starting a diesel engine, you should always（）
A. check the pyrometer readings
B. check the crankcase oil level
C. check the fuel oil strainers
D. clean the fuel system
[单项选择]Before a marine diesel engine is started the cylinders and pistons must be （）.
A. cooled to appropriate temperature
B. warmed up gradually to appropriate temperature
C. opened up and renewed
D. ground and polished
[单项选择]Before being shut down, a diesel engine should idle a few minutes in orderto （）
A. prevent governor surging at shutdown
B. make sure the fuel nozzles are flushed clean
C. prevent pressure buildup in the fuel lines
D. prevent damage from localized overheating
[单项选择]When installing rings on a diesel engine piston, you should check the ring（）
A. diametrical tension
B. gap clearance
C. radial thickness
D. face thickness
[单项选择]Before hydraulic starting of an engine on a covered lifeboat，what need NOT be checked?（）
A. Fuel supply line valve
B. Pressure registered on the accumulator gauge
C. Cold-spark voltage readings test lamp
D. Engine stop control
[单项选择]The bridge should inform the engine room before passing through congested or shallow waterway（）
A. 24 hours
B. 2 hours
C. 1 hours
D. 15 minutes
