For a diesel engine, individual cylind

1、For a main diesel engine the lube oil

For a main diesel engine the lube oil in the bearings is drawn from （）, usually located in the bedplate.Aa gravity tankBa sumpCa vesselDa bottle

2、The bore of a diesel engine cylinder d

The bore of a diesel engine cylinder describes the （）Aswept volume of the cylinderBinside diameter of the cylinderCpiston displacement in the cylinderDlength of the piston stroke

3、The fuel oil system for a diesel engin

The fuel oil system for a diesel engine can be considered in two parts--the fuel supply and the （） systems.Afuel treatmentBfuel combustionCfuel injectionDfuel separating

4、A diesel engine cylinder head can crac

A diesel engine cylinder head can crack as a result of （）Aa leaking seal ringBheat transfer from exhaust valvesCrestricted cooling passagesDoverheated intake valve

5、Turbulence in a diesel engine cylinder

Turbulence in a diesel engine cylinder is of major importance in providing （）.Aproper fuel meteringBcomplete fuel/air mixingCminimal fuel penetrationDproper fuel timing

6、In a diesel engine, excessive cylinde

In a diesel engine, excessive cylinder liner wear will cause （）(1) increased blow-by(2) wear between the piston ring and grooveA(1) only is correctB(2) only is correctCboth (1) and (2) are correctDneither (1) or (2) axe correct