A.of the thin wall thickness
B.honing makes it easier to maintain the desired oil ilm
C.water seals are not required
D.it fits more loosely due to a decrease in heat transfer through the composite wall
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A.Constant pressure
B.Pulse
C.constant velocity
D.Axial flow
A.Fuel injection timing will change
B.Nozzle operation will be unaffected
C.Fuel will leak into the drain line
D.Fuel will not be delivered
A.low exhaust temperature
B.loss of engine power
C.burned intake valves
D.engine racing
A.restricted turbocharger air intake
B.oil leak into the turbocharger
C.dribbling injector
D.low fuel viscosity
The exhaust valve opens before bottom dead center in a four stroke engine to（）
Ⅰ.allow for blow down
Ⅱ.Reduce pumping losses
A.Ⅰ only
B.Ⅱ only
C.both Ⅰ and Ⅱ
D.neither Ⅰ nor Ⅱ
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