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Petroleum interview questions part 1
Petroleum interview questions part 1
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Take as many assements as you can to improve your validate your skill rating
Total Questions: 20
1. Octane number is a rating of _______
A. petrol knocking
B. diesel knocking
C. petrol cracking
D. diesel cracking
Show Correct Answer
Correct Answer is :
petrol knocking
2. Which of the following element has 100% anti knocking?
A. 2-methyl naphthalene
B. heptadecane
C. CH3-(-CH2-)14-CH3
D. 3-methyl naphthalene
Show Correct Answer
Correct Answer is :
CH3-(-CH2-)14-CH3
3. To improve anti knock of diesel _____ are added.
A. TEL
B. Pre-ignition dopes
C. Di ethyl telluride
D. N-hexa decane
Show Correct Answer
Correct Answer is :
Pre-ignition dopes
4. What are the best anti knocking reagents of petrol?
A. straight chain alkanes
B. straight chain alkenes
C. alkynes
D. aromatics
Show Correct Answer
Correct Answer is :
aromatics
5. Pre-ignition of the fuel is seen in _________
A. petrol knocking
B. petrol cracking
C. diesel cracking
D. diesel knocking
Show Correct Answer
Correct Answer is :
petrol knocking
6. In liquid phase thermal cracking, the yield of petrol is ________
A. 50%-60%
B. 60%-70%
C. 70%-80%
D. 80%-90%
Show Correct Answer
Correct Answer is :
50%-60%
7. Knocking is also called as __________
A. cracking
B. pinging
C. doping
D. crushing
Show Correct Answer
Correct Answer is :
pinging
8. In the catalytic cracking, what Is the catalyst used?
A. Nacl
B. Kcl
C. ZnSO4
D. Al2O3
Show Correct Answer
Correct Answer is :
Al2O3
9. Which of the following order of petrol knocking is true?
A. aromatics > branched paraffins > olefins > cyclo paraffins > aromatics
B. straight chain paraffins > olefins > branched paraffins > cyclo paraffins > straight chain paraffins
C. straight chain paraffins > branched paraffins > olefins > cyclo paraffins > aromatics
D. straight chain paraffins > branched paraffins > olefins > aromatics > cyclo paraffins
Show Correct Answer
Correct Answer is :
straight chain paraffins > branched paraffins > olefins > cyclo paraffins > aromatics
10. In fixed bed catalytic cracking, the catalyst is reactivated after every __________
A. 8-10hrs
B. 20-24hrs
C. 5-7hrs
D. 12-15hrs
Show Correct Answer
Correct Answer is :
8-10hrs
11. In vapour phase thermal cracking, the temperature achieved is ___________
A. 200-400oC
B. 600-650oC
C. 500-820oC
D. 700-800oC
Show Correct Answer
Correct Answer is :
600-650oC
12. In moving bed catalytic cracking, the catalyst is in the form of ____________
A. fine powder
B. pallets
C. liquid form
D. gaseous form
Show Correct Answer
Correct Answer is :
fine powder
13. The gasoline vapours are purified by __________
A. thermal cracking
B. catalytic cracking
C. stabilization
D. knocking
Show Correct Answer
Correct Answer is :
stabilization
14. The pressure applied in vapour phase cracking is __________
A. 10-20kg/cm2
B. 100kg/cm2
C. 50kg/cm2
D. 80kg/cm2
Show Correct Answer
Correct Answer is :
10-20kg/cm2
15. The pressure applied in fixed-bed catalytic cracking is __________
A. 10kg/cm2
B. 50kg/cm2
C. 100kg/cm2
D. 1.5kg/cm2
Show Correct Answer
Correct Answer is :
1.5kg/cm2
16. Removal of water is done by______
A. Orsteds process
B. Kjeldahl’s process
C. Filtration
D. Cottrells process
Show Correct Answer
Correct Answer is :
Cottrells process
17. Crude oil is in the form of_______
A. emulsion of oil and brine
B. emulsion of oil and impurities
C. emulsion of brine and impurities
D. emulsion of impurities and moisture
Show Correct Answer
Correct Answer is :
emulsion of oil and brine
18. To remove sulphur compounds from petroleum, it is treated with_____
A. copper nitrate
B. copper oxide
C. magnesium chloride
D. sodium chloride
Show Correct Answer
Correct Answer is :
copper oxide
19. The scales formed during the removal of harmful impurities can be removed by_____
A. electrolysis
B. electroplating
C. electrotyping
D. dehydration
Show Correct Answer
Correct Answer is :
dehydration
20. During refining the petroleum, in fractional distillation, what is the temperature in still?
A. 800oC
B. 400oC
C. 300oC
D. 100oC
Show Correct Answer
Correct Answer is :
400oC
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