单项选择题
A.increasing the quantity of starting air B.increasing the lube oil pressure C.heating the engine fuel supply D.heating the engine jacket water
Air in the fuel lines of a diesel engine can cause （）A....
单项选择题Air in the fuel lines of a diesel engine can cause （）
A.ignition failure B.oxygen corrosion of the fuel lines C.the pistons to seize D.blue smoke
The condensers located in various stages of a flash eva...
单项选择题The condensers located in various stages of a flash evaporator are cooled by（）
A.distillate B.seawater C.brine D.air
Air in the fuel lines to the fuel injection nozzles of ...
单项选择题Air in the fuel lines to the fuel injection nozzles of a diesel engine will cause the engine to （）
A.burn excessive amounts of lube oil B.overheat without smoking C.operate with reduce power or stop D.run away without load
