单项选择题
A.cetane number B.pour point C.viscosity temperature D.quality of the oil
In a naturally aspirated diesel engine, the volume of a...
单项选择题In a naturally aspirated diesel engine, the volume of air intake is directly related to engine ().
A.compression ratio B.valve size C.fuel pressure D.cylinder clearance volume
To check the setting of the overspeed trip on a diesel ...
单项选择题To check the setting of the overspeed trip on a diesel powered generator, you would use a ().
A.tachometer B.torsion meter C.dynamometer D.pony brake
A large change in ambient temperature, or using an oil ...
单项选择题A large change in ambient temperature, or using an oil of a viscosity different from the one recommended by the manufacturer in a mechanical hydraulic governor, will result in the need to adjust the ().
A.pilot valve opening B.compensating needle valve C.compensating spring tension D.accumulator spring tension