单项选择题X 纠错
A.more power strokes per revolution
B.the use of scavenge air
C.more complicated valve gear
D.higher working temperature of the piston and cylinder
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单项选择题
A.less even torque
B.higher cylinder head temperatures
C.fewer power strokes per revolution
D.greater weight/size requirements
单项选择题
A.higher working temperature of piston and cylinder
B.the use of scavenge ports
C.fewer power strokes per revolution of the crankshaft
D.part of the fuel is burned as the piston is moving away from top dead center
单项选择题
A.length of the crankshaft
B.volume of the clearance space
C.weight of piston
D.length of the stroke
单项选择题
A.brake horsepower
B.displacement
C.cylinder volume
D.cylinder clearance
单项选择题
A.TBN of the lubricating oil
B.Temperature of the lube oil
C.Completeness in the mixing of the fuel and air
D.Temperature of the cooling (sea) water
