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.Management Sciences
Category: Petroleum Refinery Engineering
Paraffins are desirable in lubricating oil, as it has got high_____________________?
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A. Viscosity
B. Viscosity index
C. Smoke point
D. Pour point
Octane number of gasoline is a measure of its__________________?
A. Resistance to knock
B. Ignition delay
C. Ignition temperature
D. Smoke point
Concentration of H2SO4 catalyst in alkylation is kept between 90-98%, because H2SO4 having concentration?
A. Less than 90% promotes polymerisation
B. More than 98% promotes cracking
C. Both A. and B.
D. Neither A. nor B.
Aniline point of the diesel is a measure of its ______________ content?
A. Aromatic
B. Paraffin
C. Olefin
D. Naphthene
Flash point of atmospheric distillation residue is determined by ______________ apparatus?
A. Pensky-Martens (closed cup type)
B. Abel
C. Cleveland (open cup type)
D. None of these
A multigrade lubricating oil means an oil having high __________________?
A. Viscosity index
B. Viscosity
C. Aniline point
D. Flash point
The main aim of cracking is to produce ____________________?
A. Gasoline
B. Lube oil
C. Petrolatum
D. Coke
Alkylation_____________________?
A. Causes olefins to combine with each other
B. Causes olefins to combine with iso-paraffins
C. Converts iso-paraffin into olefin
D. Converts olefin into paraffin
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