更多"There is an injection pump for each"的相关试题:
[单项选择]When disassembling or assembling an injection pump plunger and barrel you should （）
A. keep the parts immersed in diesel fuel
B. always keep the plunger and barrel together
C. work over a linoleum-type surface
D. all of the above
[单项选择]An individual injection pump is designed for variable beginning and constant ending of injectionFor diesel engines operating at constant speeds, the start of injection will（）
A. advance as the load increases
B. retard as the load increase
C. remain unchanged regardless
D. always occur at top dead center
[单项选择]An increase in the fuel injection pump discharge pressure can be caused by a/an （）
A. leaking delivery valve
B. excessive bearing end play
C. plugged injector spray hole
D. increased plunger stroke
[单项选择]A faulty injection in one cylinder of an operating diesel engine can be located by （）
A. cutting out individual injectors and noting engine performance
B. checking lube oil temperature
C. checking cam position
D. using a timing light
[单项选择]Fuel oil begins injection into the cylinder of a four-stroke/cycle diesel engine during the （）.
A. intake stroke
B. exhaust stroke
C. power stroke
D. compression stroke
[单项选择]Fuel injection uses the jet pump system and a Woodward type hydraulic （） is used to control engine speed.
A. controller
B. governor
C. instrument
D. apparatus
[单项选择]The major cause of fuel pump and injection system problems is （）
A. improper adjustments
B. contaminated fuel
C. kinked fuel lines
D. excessive engine vibration
[单项选择]Each cylinder in a two stroke cycle engine experiences combustion（）.
A. once each crankshaft revolution
B. twice each crankshaft revolution
C. every other crankshaft revolution
D. every fourth stroke
[单项选择]The compressed air is admitted to each cylinder through a cam operated by starting air valve when the piston has just passed its （）.
A. BDC
B. TDC
C. BBDC
D. ATDC
[单项选择]It is very important that each cylinder should be （） scavenged before the charged air is compressed.
A. well
B. good
C. excellent
D. respectively
[单项选择]Each cylinder liner on the marine medium speed engines （）.
A. is usually cooled by sea water
B. can be replaced when worn out
C. is in direct contact with the water in the bore of the cylinder
D. can t expand when heated
[单项选择]Each cylinder has one starting valve which is usually opened by air pressure and closed by （）
A. nuts and bolts
B. new joints
C. spring force
D. sealing rings
[单项选择]In each cylinder cover is a large central opening for mounting （）
A. the indicating cock
B. the starting valve
C. air inlet valve
D. the exhaust valve
[单项选择]It is very necessary that each cylinder （） before the charged air is compressed.
A. is scavenged
B. is atomized with fuel oil
C. be scavenged
D. be atomized with fuel oil
[单项选择]In each cylinder cover there are two or three holes for （）
A. the exhaust valves
B. the fuel valves
C. indicator cocks
D. the fuel pumps
[单项选择]The bore of each cylinder is formed in a liner which can be （） when worn out.
A. welded
B. replaced
C. drilled again
D. bored
[单项选择]Each fire pump on a ship must have a pressure gauge located at（）.
A. the pump discharge
B. the manifold connection
C. each fire station discharge
D. the pump station
[单项选择]Each fire pump on a tanker must have a pressure gauge located at（）.
A. the pump discharge
B. the manifold connection
C. each fire station discharge
D. the pump station
