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.Management Sciences
Category: Petroleum Refinery Engineering
Solution used in Doctor’s treatment for the removal of mercaptans is_________________?
A. Sodium hydroxide
B. Sodium plumbite
C. Cupric chloride
D. Potassium isobutyrate
Which of the following fractions of petroleum contains maximum sulphur ?
A. Diesel
B. Gasoline
C. Naphtha
D. Atmospheric residue
Pour point and freezing point is equal for__________________?
A. Petrol
B. Diesel
C. Water
D. Crude petroleum
Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about ________________ of that of water (i.e. 1 gm/c.c)?
A. One fourth
B. One third
C. Half
D. One eighth
Maximum use of petroleum coke is in__________________?
A. Adsorption refining operation
B. Fuel gas manufacture
C. Carbon electrode manufacture
D. Iron ore reduction
Which of the following has the highest octane number ?
A. Aromatics
B. i-paraffins
C. Naphthenes
D. Olefins
Aniline point is the temperature at which___________________?
A. Equal weight of diesel & the aniline are completely miscible
B. Equal weight of aniline & the test sample are completely miscible
C. Equal volume of aniline & the test sample are completely miscible
D. Aniline vaporises
Diesel index (an alternative index for expressing the quality of diesel) is_______________?
A. Determined by using a test engine
B. Not related to aniline point
C. Equal to cetane number plus 3
D. All A., B. & C.
Crude topping column operates at ________________ pressure?
A. Atmospheric
B. 10 atm
C. Vacuum
D. 3 atm
Reforming converts_________________?
A. Olefins into paraffins
B. Naphthenes into aromatics
C. Naphthenes into olefins
D. Naphthenes into paraffin
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