单项选择题
While underway, which of the following would be the FIRST step in reversing a direct reversing large, low-speed, main propulsion, diesel engine?（）
A.Manually trip the over-speed device
B.Interrupt the fuel flow to the engine
C.Disengage the safety interlock
D.Slide the camshaft to the neutral position
点击查看答案&解析
相关考题
-
单项选择题
In a turbocharger, inlet air velocity is increased in the（）.
A.inlet nozzle ring
B.stationary diffuser passages
C.compressor outlet volute
D.rotating impeller vanes -
单项选择题
Faulty operation of diesel engine fuel injection nozzles can be a direct cause of（）.
A.excessive fuel nozzle holder cooling
B.sediment in the fuel supply
C.distortion of the fuel spray pattern
D.improper atomization of the fuel -
单项选择题
When the load is increased on a turbocharged diesel engine, the amount of increased air supplied by the turbocharger will（）
A.lag behind the increased fuel supplied to the engine
B.enter the engine along with the increase in the fuel
C.enter the engine before the increased fuel supply
D.leave the turbocharger as a negative pulse
