Petroleum MCQs Question and Answers

By: Prof. Dr. Fazal Rehman | Last updated: May 29, 2025

1. : During hydrogenation of coal, ___ is the pressure applied.
(A) 200-280 atm
(B) 300-380 atm
(C) 200-250 atm
(D) 300-350 atm

2. : ____ is the boiling range of un-condensed gas.
(A) < 200°C
(B) < 400°C
(C) > 500°C
(D) < 300°C

3. : Which of the following is produced by heavy oil on refraction?
(A) grease
(B) diesel oil
(C) Asphalt
(D) kerosene oil

4. : _____ petrol is produced by the synthesis of coal.
(A) 40%
(B) 30%
(C) 80%
(D) 50%

5. : Water is removed by ______.
(A) Cottrells process
(B) Kjeldahl’s process
(C) Filtration
(D) Orsted’s process

6. : In _______ form, the crude oil is present.
(A) emulsion of impurities and moisture
(B) emulsion of oil and impurities
(C) emulsion of brine and impurities
(D) emulsion of oil and brine

7. : It is treated with _____ to remove sulfur compounds from the petroleum.
(A) copper nitrate
(B) magnesium chloride
(C) copper oxide
(D) sodium chloride

8. : During the removal of harmful impurities, the scales formed can be removed by the _______ process.
(A) dehydration
(B) electroplating
(C) electrotyping
(D) electrolysis

9. : _______ is the fraction obtained on distillation used in dry cleaning.
(A) petroleum ether
(B) naphtha
(C) gas oil
(D) heavy oil

10. : Diesel oil has the boiling range of _____.
(A) 120-180°C
(B) 250-320°C
(C) 320-400°C
(D) 180-250°C

11. : ______ is the catalyst used in the Bergius process.
(A) aluminum oxide
(B) phosphoric acid
(C) zirconium oxide
(D) nickel oleate

12. : ____ can be used as a preservative for wood.
(A) solvent spirit
(B) tar
(C) petroleum coke
(D) gasoline