Petroleum Refinery Engineering MCQ Questions & Answers | Chemical Engineering

A. Produces i-octane from cracked gases containing i-butane and butene

B. Causes olefins to combine with each other

C. Causes aromatics to combine with each other

D. Is aimed at producing lubricating oil

A. Multiple of 3°F

B. Multiple of 5°F

C. 5°C below the temperature at which oil ceases to flow

D. None of these

A. Diesel increases its cetane number

B. Kerosene increases its smoke point

C. Petrol increases its octane number

D. All of the above

A. Low flash point

B. High breathing loss

C. Both A & B

D. Neither A nor B

A. Stabilisation

B. Visbreaking

C. Cracking

D. Reforming

A. Viscosity

B. Freezing point

C. Calorific value

D. Flash point

A. Reduce its cost

B. Narrow down its explosion limit

C. Assist in checking its leakage from cylinder

D. Increase its calorific value

A. Sodium hydroxide

B. Sodium plumbite

C. Cupric chloride

D. Potassium isobutyrate

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 its molecular weight

A. Catalytic cracking

B. Hydrocracking

C. Dehydrogeneration of naphthene to produce aromatic

D. Catalytic polymerisation