A diesel engine experiences a sudden loss in speed, accompanied by black exhaust smoke, with the fuel rack at maximum, and speed remaining below normal the probable（）
1、The ship has a diesel engine（）a superc
The ship has a diesel engine（）a supercharger.AwithBofConDover
2、In a medium speed diesel engine, a tr
In a medium speed diesel engine, a trunk type piston may be cooled by（）Ⅰ.oil circulation though passages in the piston crownⅡ.heat transfer through piston rings and liner wallAⅠ onlyBⅡ onlyCeither Ⅰ or ⅡDneither Ⅰ or Ⅱ
3、A diesel engine crankcase ventilation
A diesel engine crankcase ventilation system （）Aprevents spark generationBremoves combustible gasesCdetermines the level of combustible gasesDprovides inert gas generation in crankcase
4、The intake valves in a diesel engine a
The intake valves in a diesel engine are reseated by （）.Acam followersBpush rodsCcombustion gasesDvalve spring
5、A diesel engine with a combustion cham
A diesel engine with a combustion chamber located between the crowns of two pistons is known as a/an （）.Adouble-acting engineBopposed pistons engineCsingle-acting engineDhorizontal acting engine
6、A sudden drop in diesel engine cylinde
A sudden drop in diesel engine cylinder compression pressure can be caused by（）Aa leaking fuel injector nozzleBa clogged air filterCexcessively early fuel injectionDmalfunctioning valve