Petroleum Refinery Engineering

A. 10 and 120
B. 1 and 200
C. 50 and 250
D. 10 and 300

A. Viscosity index
B. Volatility
C. Pour point
D. None of these

A. Naphthene
B. Olefin
C. Paraffin
D. Aromatics

A. Improve the octane number
B. Act as an antioxidant
C. Reduce its viscosity
D. Increase its pour point

A. Higher yield of straight run gasoline
B. Higher octane number gasoline
C. Lower viscosity index lube oil
D. Poorer yield of lube oil

A. Nature of boiling point diagram of the system
B. Amount of low boiling fraction present
C. Explosion hazards
D. All A., B. and C.

A. 1
B. 50
C. 5000
D. 10000

A. Low porosity
B. High permeability
C. High porosity
D. Both B. and C.

A. Amyl nitrate
B. Alcohols
C. Mercaptans
D. Pyridine

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