Category: Petroleum Refinery Engineering

A. Emulsification tendency
B. Water separation characteristics
C. Water content
D. Water absorbing capacity from atmosphere

A. Road tankers
B. Rail tankers
C. Underground pipelines
D. None of these

A. 600-750
B. 250-350
C. 1000-1500
D. 2000-2500

A. Colour comparator
B. Saybolt chromometer
C. Cleveland apparatus
D. None of these

A. Waxes
B. Mercaptans
C. Asphalt
D. Diolefins

A. High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may
decompose
B. Lighter/low boiling products are prone to thermal decomposition
C. High purity products can be obtained thereby
D. None of these

A. Flash point
B. Preheating temperature corresponding to viscosity of 25 centistokes
C. Flame temperature
D. Fire point

A. Aromatics
B. Paraffins
C. Olefins
D. Naphthenes

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