单项选择题
A.increase the exhaust temperature B.increase the power of C.reduce the speed D.increase the fuel consumption
Whilst the engine is turning, check to see that no wate...
单项选择题Whilst the engine is turning, check to see that no water is leaking into the crankcase, scavenge air belt, or from （）.
A.exhaust valves B.starting valves C.fuel valves D.the indicator cocks
While engine is in operation the piston moves up and do...
单项选择题While engine is in operation the piston moves up and down, thus causing the rotation of the （）.
A.crankcase B.slipper C.cam housing D.crankshaft
Which of the following would cause a diesel to have bla...
单项选择题Which of the following would cause a diesel to have black smoke?（）
A.leaky injector B.water in the gas C.too heavy oil D.water in the oil
