单项选择题
Increasing the compression ratio of a diesel engine while maintaining the designed rate of fuel flow will result in （）
A.increased horsepower B.reduced efficiency C.increased heat loss D.lower cylinder pressures
单项选择题 An emergency diesel generator should automatically shut down in the event of （）
单项选择题 The purpose of the flywheel is to （）
单项选择题 While overhauling a jerk-type fuel pump it is necessary to replace the pump plungerWhich of the parts listed below must also be replaced?（）
