The cetane number of a diesel fuel oil

1、The rate of fuel injection in a diesel

The rate of fuel injection in a diesel engine cylinder depends primarily on （）.Athe size of the holes in the fuel nozzleBtiming of the pumpCsupply pressure to the pumpDshape of the combustion chamber

2、Dirt in a fuel oil system of a diesel

Dirt in a fuel oil system of a diesel engine can cause （）Adamage to strainersBover-speeding of the engineCexcessive cooling of the engineDinjector damage

3、The burning of fuel oil in a diesel en

The burning of fuel oil in a diesel engine having a high sodium content, will cause （）Acorrosion and grooving of exhaust valvesBcorrosion and...

4、Dirt in the fuel oil system of a diese

Dirt in the fuel oil system of a diesel engine can cause （）.Aclogged filtersBpoor combustionCoverloading of the dieselDshock of fuel line

5、The ignition quality of a diesel fuel

The ignition quality of a diesel fuel oil is indicated by the （）Aspecific gravityBcetane numberCviscosityDcalorific valve

6、The ash content of a fuel oil is signi

The ash content of a fuel oil is significant to the operating engineer because it （）Ais an indication of the amount of noncombustible materi...