With increase in density, the viscosity of petroleum products _____________________?
A. Increases
B. Decreases
C. Remain same
D. Either A. or B.
Month: March 2019
Visbreaking process is used mainly for making_________________?
Visbreaking process is used mainly for making_________________?
A. High cetane diesel
B. High octane gasoline
C. Fuel oil
D. Smoke free kerosene
Mercaptans are added to liquefied petroleum gas (LPG) to _____________________ ?
Mercaptans are added to liquefied petroleum gas (LPG) to _____________________ ?
A. Reduce its cost
B. Narrow down its explosion limit
C. Assist in checking its leakage from cylinder
D. Increase its calorific value
Research octane number refers to the___________________?
Research octane number refers to the___________________?
A. Low octane number motor fuels
B. High octane number motor fuels
C. High octane number aviation fuels
D. Unleaded motor fuels
Which of the following is used as a catalyst in fluidised bed catalytic cracking ?
Which of the following is used as a catalyst in fluidised bed catalytic cracking ?
A. Silica-magnesia
B. Silica-alumina
C. Bentonite clays
D. All A., B. and C.
Aniline point is the _________________?
Aniline point is the _________________?
A. Characteristic property of diesel & lubricating oils
B. Measure of aromatic content of oil
C. Both A. and B.
D. Neither A. nor B.
Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatization by liquid SO2 extraction (Edeleanu process), its smoke point may become _______________________ mm?
Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatization by liquid SO2 extraction (Edeleanu process), its smoke point may become _______________________ mm?
A. 5
B. 10
C. 25
D. 100
Smoke point of a test sample of kerosene is found to be 15 mm. On removal of ________________ from it, the smoke point rises to 25 mm?
Smoke point of a test sample of kerosene is found to be 15 mm. On removal of ________________ from it, the smoke point rises to 25 mm?
A. n-paraffins
B. Olefins
C. Aromatics
D. None of these
The most commonly used feed stock for the reforming reactor is ___________________?
The most commonly used feed stock for the reforming reactor is ___________________?
A. Heavy fuel oil
B. Residuum
C. Straight run gasoline
D. Casing head gasoline
Crude oils containing more than ____________ kg of total salts (expressed in terms of NaCl) per thousand barrel is called a ‘salty crude’ ?
Crude oils containing more than ____________ kg of total salts (expressed in terms of NaCl) per thousand barrel is called a ‘salty crude’ ?
A. 1
B. 5
C. 15
D. 25