Which of the following constituents present in petroleum is responsible for ash formation ?

Related Mcqs:

Pick out the wrong statement?

A. Higher temperature is employed in visbreaking than in thermal cracking B. Pyrolysis is a mild thermal cracking process C. Lead susceptibility of petrol produced by catalytic process is more than that produced by thermal cracking D. Operating pressure and temperature in thermal cracking process is more than that in catalytic cracking process...

The reservoir rock containing petroleum has_________________?

A. Low porosity B. High permeability C. High porosity D. Both B. and C....

Olefins are_________________?

A. Saturated hydrocarbons B. Unsaturated cyclic compounds (hydrocarbons) C. Present in substantially good quantity in crude petroleum D. None of these...

Cetane number of high speed diesel must be ≥_________________?

A. 30 B. 45 C. 75 D. 95...

Stabilisation of gasoline (petrol) means ___________________?

A. Removal of dissolved gases from it B. Increasing its oxidation stability C. Improving its lead susceptibility D. Increasing its vapour pressure...