A.wheel
B.crankshaft
C.running gear
D.cam
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A.charging
B.supercharging
C.starting
D.scavenging
A.behind
B.far from
C.adjacent to
D.in front of
A.power output
B.friction and wear
C.indicated pressure
D.rated horsepower
A.viscosity
B.density
C.velocity
D.electricity
A.higher
B.lower
C.low
D.high
A.be less than
B.be larger than
C.be as large as
D.not be so large as
A.bosses
B.through bolts
C.machine-turned recesses
D.long studs
A.a mark
B.a bolt
C.a dowel pin
D.a measuring tool
A.gravity disc
B.centrifugal bowl
C.a stack of discs
D.main sealing ring
A.the guideway
B.the piston rod
C.the crosshead shoes
D.the interlocked circlip
最新试题
Combustion knock occurring in a diesel engine can be caused by （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
In using reduction gears to obtain efficient propeller speeds, （）.
White smoke exhausting from an operating diesel engine may indicate （）.
A thrust bearing is used with a propulsion diesel engine to （）.
To determine if the lube oil filter elements need changing, （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
An automated diesel engine should normally shut down due to （）
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）