单项选择题
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
When turning the engine with turning gear, you should k...
单项选择题When turning the engine with turning gear, you should keep the indicator cocks （）.
A.attached to the indicators B.opened C.closed D.broken
