A.a reduction
B.an increase
C.an outing
D.a downwards
您可能感兴趣的试卷
你可能感兴趣的试题
A.cylinder cover
B.cylinder block
C.cylinder frame
D.bed-plate
A.tie rods
B.through bolts
C.lead wires
D.bearing caps
A.resisting oxidization
B.reducing friction
C.promoting moving speed
D.developing inertia
A.give the pressure
B.give the contents
C.give the shape of the tank
D.give the accuracy level
A.inefficient cooling
B.a leaking air start valve
C.a clogged drain valve
D.a leaking air bottle
A.a flame trap
B.a relief valve
C.a fusible plug
D.a bursting cap
A.starting
B.stopping
C.to start
D.to stop
A.split pins
B.crankpins
C.dipsticks
D.circlips
A.fuel supply
B.firing order
C.engine load
D.oil level
A.expansion ratio
B.pressure ratio
C.compression ratio
D.clearance ratio
最新试题
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a ().
The main purpose of the piston oil scraper rings is to ().
Routine monitoring of a diesel engine should include ().
The function of diesel engine piston compression rings is to ().
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in ().
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST ().
Diesel engine control can be obtained by the bridge ().
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to ().
Combustion knock occurring in a diesel engine can be caused by ().
Maximum horsepower of a diesel engine is attained ().