單項(xiàng)選擇題In a diesel engine, the time taken to heat the fuel particles, turn them into vapor, and bring about combustion is called ()

A.injection lag
B.ignition delay
C.compression
D.turbulence lag


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1.單項(xiàng)選擇題Fuel is ignited in a diesel engine cylinder by ()

A.a spark plug
B.injectors
C.the heat of compression
D.increasing jacket water temperatures

2.單項(xiàng)選擇題Vessels having main engines arranged for air starting are to be provided with at least ()

A.one automatic drain serving both containers
B.two air starting containers of approximately equal size
C.one control air container and one starting air container
D.one additional means of starting the main engine