A. Black
B. White
C. Red
D. Yellow
A. Di-olefin
B. Naphthene
C. Aromatic
D. Olefin
Butadiene is a/an_________________? Read More »
Petroleum Refinery Engineering A. Blending component for kerosene
B. Blending component for petrol
C. Feedstock for fluid catalytic cracking unit
D. None of these
A. Bubble-cap
B. Packed bed
C. Fluidised bed
D. Perforated plate
The most widely used crude topping column in refineries is the ______________ column? Read More »
Petroleum Refinery Engineering A. Electric immersion
B. Pipestill
C. Steam coil
D. None of these
A. Anti-knocking
B. Anti-icing
C. Anti-gum forming
D. Dewaxing
Glycol added to petrol acts as a/an ________________ agent ? Read More »
Petroleum Refinery Engineering A. 0.1
B. 1
C. 2.5
D. 3.5
A. Impart colour to it, for easy identification
B. Minimise the gum formation
C. Prevent icing of the carburettor
D. Prevent the lead build up in engines
Antioxidants are added in petrol to _____________________? Read More »
Petroleum Refinery Engineering A. Smoking tendency of hydrocarbons increases in the order: paraffins → isoparaffins →
naphthenes → aromatics
B. Smoking tendency of paraffins increases with decrease in its molecular weight
C. Smoking tendency of naphthenes decreases with its increasing molecular weight & also on
addition of double bond
D. Smoking tendency of aromatics decreases with increase in its molecular weight
A. R-COOH
B. R-S-H
C. R-S-R
D. R-S-R’
Mercaptans is represented as (where R and R’ are alkyl groups) _____________________? Read More »
Petroleum Refinery Engineering