In the atmospheric pressure crude distillation, the content of _____________ from lighter fraction to heavier ones?

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...

Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about ________________ ppm?

A. 1 B. 50 C. 5000 D. 10000...

Which of the following is the most widely used cracking process in oil refineries ?

A. Dubbs process B. T.C.C. moving bed process C. Fluidised bed catalytic cracking process D. Houdry’s fixed bed process...

Petroleum ________________ ?

A. Is optically active B. Constitutes mainly of olefins C. Does not contain asphalt D. Does not contain aromatics...

Petroleum is believed to have originated from _______________ sources?

A. Vegetable B. Animal C. Both A. and B. D. Neither A. nor B....