Category: Petroleum Refinery Engineering

A. Is the measure of its flash point
B. Is the measure of variation of viscosity with temperature
C. Should be low
D. None of these

A. 2
B. 5
C. 10
D. 25

A. 10
B. 45
C. 100
D. 150

A. Catalytically cracked gasoline
B. Straight run gasoline
C. Catalytically reformed gasoline
D. Polymer gasoline

A. i-paraffins
B. Aromatics
C. n-paraffins
D. Naphthenes

A. Thiophenes
B. Mercaptans
C. Sulphones
D. Pyrroles

A. Modern theory
B. Carbide theory
C. Engler theory
D. All A., B. and C.

A. Butane
B. Propane
C. Natural gas
D. Gasoline separated from wet natural gas by compression

A. Multigrade lubricating oils have high viscosity index
B. Paraffinic oil has very high viscosity index
C. Naphthenic oil has very low viscosity index
D. High viscosity index means a large change in viscosity with change in temperature

A. 65
B. 75
C. 85
D. 95