What causes diesel fuel to be ignited

1、The ignition quality of a diesel fuel

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

2、What might be the cause of the childre

What might be the cause of the children’s sickness?A The crops didn’t do well.B There were too many insects.C The visitors brought in diseases.D The pesticides were overused.

3、The ignition quality of diesel fuel is

The ignition quality of diesel fuel is indicated by its（）Aoctane numberBcetane numberCviscosity in Saybolt secondsDair fuel ratio

4、What causes diesel fuel to be ignited

What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）ASpark plugBHeat of compressionCCarburetorDGlow ping

5、The ignition quality of a diesel fuel

The ignition quality of a diesel fuel is indicated by the （）Acetane numberBvolatility pointCviscosity indexDoctane number

6、In a diesel engine, fuel must be broke

In a diesel engine, fuel must be broken up into a spray of fine droplets to （）.Aincrease its qualityBobtain complete burningCreduce its weightDall of the above