Proper filtering and straining of diesel fuel is important because the.

[单选题]Proper filtering and straining of fuel oil is important because the （）.A . fuel oil pump will over-speed if dirt is not removedB . fuel oil transfer pumps cannot tolerate small amounts of dirt in the oilC . fuel injectors may be damaged by foreign pa

[单选题]Proper atomization of fuel in diesel engine combustion chambers will （）.A . affect the injection pressureB . improve combustionC . reduce compression pressureD . decrease power output

[单选] Two important considerations for the proper lubrication of a diesel engine

The diesel engines have played an important role in the shipping industry becaus

[单选题]On a diesel engine, fuel is delivered into the combustion space by （）.A . a cooling systemB . a lubrication oil systemC . an electric systemD . an injection system

[单选题]In an ordinary diesel engine the fuel injection begins （）A . after TDCB . before TDCC . after BDCD . before BDC

[单选题]If the diesel engine fuel injection timing is changed to delay the start of injection until the pistons are at top dead center, the engine will_________.A．backfire through the air intakesB．develop less power under loadC．have high firing pressuresD．li

[单选题]F．uel droplets injected into a diesel engine cylinder must have adequate penetration to ____.A．prolong the ignition delay periodB．ensure the beginning of fuel injectionC．thoroughly utilize the air chargeD．allow controlled fuel combustion

[单选题]When fuel is injected late into a diesel engine cylinder_______.A．the exhaust will be clearB．fuel consumption will be lowC．all the fuel will be burned at top dead centerD．fuel consumption will be high

[单选题]What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）A . Spark plugB . Heat of compressionC . CarburetorD . Glow ping