单项选择题
A.the peak pressure in a cylinder B.the temperature of the cooling water C.the fuel consumption D.none of the above
Which of the following can be directly obtained by mean...
单项选择题Which of the following can be directly obtained by means of an indicator card?（）
A.power B.maximum pressure in a cylinder C.mean pressure in a cylinder D.all of the above
Which factor of the following affects not only the fuel...
单项选择题Which factor of the following affects not only the fuels combustion but also the engine’s maintenance?（）
A.cetane number B.flash point C.viscosity D.setting point
Which cause of the following can lead to the engine not...
单项选择题Which cause of the following can lead to the engine not to start on air?（）
A.starting air pressure too high B.correct timing of starting air valves C.three of the starting valves stuck D.the turning gear disengaged
