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
单项选择题 In a turbocharger, inlet air velocity is increased in the（）.
单项选择题 Faulty operation of diesel engine fuel injection nozzles can be a direct cause of（）.
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（）
