In catalytic cracking process, olefins crack ______________ times faster than in thermal cracking process?

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...

Tanks used for the storage of petroleum products (which are inflammable) should be painted with a ______________ paint?

A. Black B. White C. Red D. Yellow...

Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is _______________ centistokes (or 100 Redwood I seconds) ?

A. 5 B. 25 C. 50 D. 100...

The main purpose of recycling the byproduct hydrogen gas in the reformer reactor is to ____________________?

A. Obviate catalyst poisoning B. Maintain the reaction temperature C. Sustain the reactor pressure D. Hydrogenate the feed stock...

Crude oils containing more than ____________ kg of total salts (expressed in terms of NaCl) per thousand barrel is called a ‘salty crude’ ?

A. 1 B. 5 C. 15 D. 25...