单项选择题
A.damage to strainers
B.over-speeding of the engine
C.excessive cooling of the engine
D.injector damage
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?（）
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（）.