Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil__________________?

Related Mcqs:

Salt content (measured as sodium chloride) in electrically desalted crude oil comes down to a level of about __________________ ptb (pounds per thousand barrel) ?

A. 0.03 B. 3 C. 35 D. 70...

Pick out the wrong statement ?

A. Higher specific gravity of petroleum products means higher C/H ratio B. Aromatics have lower specific gravity than corresponding paraffins C. Hydrocarbons of low specific gravity (e.g., paraffins) possess the maximum thermal energy per unit volume D. Hydrocarbons of high specific gravity (e.g., aromatics) possess the maximum thermal energy per unit weight...

Though increased pressure has a retarding effect on cracking reaction, yet in actual process, a positive pressure of 10-15 kgf/cm2 is maintained during cracking mainly to__________________?

A. Increase the yield of light distillates B. Suppress coke formation C. Enhance the octane number of gasoline D. Reduce gum content in gasoline...

Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil ?

A. Modern theory B. Carbide theory C. Engler theory D. All A., B. and C....

An upper limit of oil content is limited to about ______________ percent for achieving efficient and satisfactory level of wax sweating?

A. 5 B. 15 C. 40 D. 60...