Crude oil is subjected to vacuum distillation in the last stage, because_________________?

Related Mcqs:

1 centistoke is equal to ______________ Redwood I seconds?

A. 1 B. 4.08 C. 0.408 D. 40.8...

Pick out the wrong statement about the smoking tendency of various hydrocarbon constituents of kerosene ?

A. Smoking tendency of hydrocarbons increases in the order: paraffins → isoparaffins → naphthenes → aromatics B. Smoking tendency of paraffins increases with decrease in its molecular weight C. Smoking tendency of naphthenes decreases with its increasing molecular weight & also on addition of double bond D. Smoking tendency of aromatics decreases with increase in … Pick out the wrong statement about the smoking tendency of various hydrocarbon constituents of kerosene ?Read More...

In Hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen_________________?

A. Enhances the desulphurisation process B. Minimises coke formation C. Both A. and B. D. Neither A. nor B....

Removal of light fractions from crude oil is called its _____________________?

A. Sweetening B. Dehydration C. Stabilisation D. Visbreaking...

Solvent used in duo-sol extraction for lube oil upgradation is a mixture of______________?

A. Propane & phenol-cresol mixture B. Methyl ethyl ketone & glycol C. Phenol & furfural D. Propane & liquid sulphur dioxide...