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.Management Sciences
Category: Petroleum Refinery Engineering
Smoke point of kerosene expresses its__________________?
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A. Burning characteristics
B. Luminosity characteristics
C. Aromatic content directly
D. Lamp wick wetting characteristics
Pick out the additive property of lube oil out of following ?
A. °API gravity
B. Specific gravity
C. Viscosity
D. Flashpoint
Pressure & temperature maintained in catalytic cracking is about__________________?
A. 2 atm & 500°C
B. 10 atm & 500°C
C. 30 atm & 200°C
D. 50 atm & 750°C
In catalytic cracking process, olefins crack ______________ times faster than in thermal cracking process?
A. 100
B. 200-300
C. 1000-10000
D. 10
Which of the following is desirable in petrol (gasoline) but undesirable in kerosene ?
A. Paraffins
B. Aromatics
C. Mercaptans
D. Naphthenic acid
Clay treatment is used to remove ___________________ ?
A. Salt from the crude oil
B. Colour & dissolved gases from cracked gasoline
C. Wax from lube oil
D. None of these
High aniline point of diesel indicates that, it _____________________?
A. Is highly aromatic
B. Has a large ignition delay
C. Is highly paraffinic
D. Has a low diesel index
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