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.Management Sciences
Category: Petroleum Refinery Engineering
Maximum sulphur percentage in low sulphur heavy stock (LSHS) furnace oil is about_________________?
0
A. 0.1
B. 1
C. 2.5
D. 3.5
“Breathing loss” on storage of gasoline occurs due to the _____________________?
A. Presence of unsaturated air
B. Fluctuation of ambient temperature during day and night
C. Both A. and B.
D. Neither A. nor B.
Sour crude means the ________________ bearing crude?
A. Asphalt
B. Sulphur compounds
C. Wax
D. Nitrogen compounds
Deoiling is the process of removal of oil from wax. It is done by the _______________ process?
A. Solvent extraction
B. Sweating
C. Resettling
D. All A., B. & C.
In petroleum refining, the process used for conversion of hydrocarbons to aromatics is________________?
A. Catalytic cracking
B. Catalytic reforming
C. Hydrotreating
D. Alkylation
Which of the following has the highest viscosity of all (at a given temperature) ?
A. Naphtha
B. Fuel oil
C. Light diesel oil
D. Petrol
Catalyst used in the catalytic cracking is_____________________?
A. Silica-alumina
B. Silica gel
C. Vanadium pentoxide
D. Nickel
Reid vapour pressure of gasoline is the measure of its_________________?
A. Pour point
B. Cloud point
C. Vapour locking tendency
D. Carbon residue
Polymerisation__________________?
A. Produces i-octane from cracked gases containing i-butane and butene
B. Causes olefins to combine with each other
C. Causes aromatics to combine with each other
D. Is aimed at producing lubricating oil
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