Category: Petroleum Refinery Engineering

A. Heavy fuel oil
B. Residuum
C. Straight run gasoline
D. Casing head gasoline

A. Pensky-Marten apparatus is used for determining flash points above 50°C
B. Characterisation factor of paraffinic crude oil is more than 12
C. Abel apparatus is used for determining flash points below 50°C
D. An oil having high susceptibility to change in viscosity with temperature changes, has a high viscosity index

A. Increase its smoke point
B. Reduce gum formation
C. Reduce the pour point
D. Increase its octane number

A. 5
B. 15
C. 40
D. 60

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

A. Polymer
B. Unleaded
C. Casing head
D. Straight run

A. Stiffness
B. Lubricating properties (e.g. oilness)
C. Service temperature
D. Variation in viscosity with temperature

A. Naphtha or straight run gasoline
B. Reduced crude
C. Vacuum gas oil
D. Atmospheric gas oil

A. Oleophilic
B. Oleophobic
C. Both A. and B.
D. Neither A. nor B.

A. 5
B. 15
C. 25
D. 35