H/C ratio (by weight) for the same number of carbon atoms is the highest in case of____________________?

Related Mcqs:

Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of ____________________?

A. Thermal cracking B. Gum formation C. Coking D. Discoloration...

Straight run naphtha is converted into high octane number petrol (gasoline) by catalytic____________________?

A. Cracking B. Polymerisation C. Reforming D. Isomerisation...

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...

Aniline point of high speed diesel may be about ____________ °C ?

A. 35 B. 70 C. 105 D. 150...

Visbreaking__________________?

A. Uses natural gas as feed B. Is carried out at atmospheric pressure C. Produces fuel oil of lower viscosity D. Produces gasoline only...