PETROLEUM REFINERY PROCESS: PSU EXAM MCQ QUIZ

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Created on March 22, 2026 By skverma.verma29@gmail.com
GENERAL KNOWLEDGE QUIZ

PETROLEUM REFINERY PROCESS: PSU EXAM MCQ QUIZ

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Category: GENERAL KNOWLEDGE QUIZ

1. EXAM: GAIL ENGINEER EXAM, 2018

WHICH PRODUCT IS MAINLY USED FOR LUBRICATION OF MACHINES?

a) LPG

b) PETROL

c) DIESEL

d) LUBRICATING OIL

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Category: GENERAL KNOWLEDGE QUIZ

2. EXAM: GAIL ENGINEER EXAM, 2017

THE MAIN COMPONENTS OF LPG ARE:

a) PENTANE AND HEXANE

b) OCTANE AND NONANE

c) METHANE AND ETHANE

d) PROPANE AND BUTANE

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Category: GENERAL KNOWLEDGE QUIZ

3. EXAM: HPCL ENGINEER EXAM, 2020

WHICH REFINERY PRODUCT IS SEMI-SOLID IN NATURE?

a) LPG

b) GREASE

c) PETROL

d) DIESEL

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Category: GENERAL KNOWLEDGE QUIZ

4. EXAM: GAIL ENGINEER EXAM, 2019

WHICH PRODUCT IS PRODUCED FROM PROPANE AND BUTANE MIXTURE?

a) LPG

b) GREASE

c) PETROL

d) DIESEL

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Category: GENERAL KNOWLEDGE QUIZ

5. EXAM: IOCL ENGINEER EXAM, 2016

THE MAIN PURPOSE OF CATALYTIC CRACKING IS TO:

a) BREAK LARGE HYDROCARBONS

b) REMOVE SULFUR

c) REMOVE WATER

d) PRODUCE HYDROGEN

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Category: GENERAL KNOWLEDGE QUIZ

6. EXAM: ONGC ENGINEER EXAM, 2019

ATF STANDS FOR:

a) AUTOMOTIVE TURBO FUEL

b) AIR TRANSPORT FUEL

c) ADVANCED TURBINE FUEL

d) AVIATION TURBINE FUEL

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Category: GENERAL KNOWLEDGE QUIZ

7. EXAM: BPCL ENGINEER EXAM, 2018

WHICH UNIT REMOVES SALTS FROM CRUDE OIL BEFORE REFINING?

a) DEHYDRATOR

b) HYDROTREATER

c) DESALTER

d) DISTILLATION UNIT

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Category: GENERAL KNOWLEDGE QUIZ

8. EXAM: BPCL ENGINEER EXAM, 2021

WHICH REFINERY PRODUCT HAS THE LOWEST BOILING POINT?

a) DIESEL

b) LUBRICATING OIL

c) LPG

d) BITUMEN

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Category: GENERAL KNOWLEDGE QUIZ

9. EXAM: BPCL ENGINEER EXAM, 2020

WHICH REFINERY PROCESS USES A CATALYST AND HIGH TEMPERATURE TO BREAK HEAVY MOLECULES?

a) HYDROTREATING

b) CATALYTIC CRACKING

c) POLYMERIZATION

d) DEWAXING

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Category: GENERAL KNOWLEDGE QUIZ

10. EXAM: BPCL ENGINEER EXAM, 2017

THE PRIMARY PURPOSE OF BLENDING IN REFINERIES IS TO:

a) IMPROVE FUEL QUALITY

b) PRODUCE HYDROGEN

c) REMOVE IMPURITIES

d) SEPARATE FRACTIONS

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Category: GENERAL KNOWLEDGE QUIZ

11. EXAM: HPCL TECHNICIAN EXAM, 2017

WHICH PRODUCT IS USED AS COOKING GAS IN HOMES?

a) PETROL

b) LPG

c) KEROSENE

d) DIESEL

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Category: GENERAL KNOWLEDGE QUIZ

12. EXAM: IOCL ENGINEER EXAM, 2018

WHICH PROCESS CONVERTS LOW-OCTANE HYDROCARBONS INTO HIGH-OCTANE COMPOUNDS?

a) HYDROTREATING

b) DISTILLATION

c) CRACKING

d) REFORMING

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Category: GENERAL KNOWLEDGE QUIZ

13. EXAM: IOCL ENGINEER EXAM, 2017

WHICH PROCESS REMOVES WAX FROM LUBRICATING OIL?

a) DEWAXING

b) CRACKING

c) ALKYLATION

d) REFORMING

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Category: GENERAL KNOWLEDGE QUIZ

14. EXAM: HPCL ENGINEER EXAM, 2020

PETROL IS MAINLY OBTAINED FROM WHICH PETROLEUM FRACTION?

a) GAS FRACTION

b) RESIDUE FRACTION

c) NAPHTHA FRACTION

d) BITUMEN FRACTION

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Category: GENERAL KNOWLEDGE QUIZ

15. EXAM: IOCL TECHNICAL ASSISTANT EXAM, 2020

THE PROCESS OF BREAKING HEAVY HYDROCARBONS USING HYDROGEN IS CALLED:

a) THERMAL CRACKING

b) REFORMING

c) POLYMERIZATION

d) HYDROCRACKING

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Category: GENERAL KNOWLEDGE QUIZ

16. EXAM: BPCL TECHNICIAN EXAM, 2018

THE MAIN RAW MATERIAL USED IN REFINERIES IS:

a) NATURAL GAS

b) DIESEL

c) COAL

d) CRUDE OIL

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Category: GENERAL KNOWLEDGE QUIZ

17. EXAM: ONGC TECHNICIAN EXAM, 2020

THE MAIN RAW MATERIAL FOR A PETROLEUM REFINERY IS:

a) CRUDE OIL

b) DIESEL

c) COAL

d) NATURAL GAS

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Category: GENERAL KNOWLEDGE QUIZ

18. EXAM: IOCL ENGINEER EXAM, 2019

WHICH REFINERY PROCESS IMPROVES THE OCTANE NUMBER OF PETROL?

a) HYDROTREATING

b) REFORMING

c) DISTILLATION

d) CRACKING

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Category: GENERAL KNOWLEDGE QUIZ

19. EXAM: IOCL TECHNICAL ASSISTANT EXAM, 2019

WHICH PRODUCT IS MAINLY OBTAINED FROM VACUUM DISTILLATION?

a) LUBRICATING OIL

b) LPG

c) PETROL

d) NAPHTHA

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Category: GENERAL KNOWLEDGE QUIZ

20. EXAM: ONGC TECHNICIAN EXAM, 2018

WHICH PETROLEUM PRODUCT HAS THE HIGHEST BOILING POINT?

a) LPG

b) DIESEL

c) PETROL

d) BITUMEN

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Category: GENERAL KNOWLEDGE QUIZ

21. EXAM: BPCL TECHNICIAN EXAM, 2019

DIESEL FUEL IS MAINLY OBTAINED FROM WHICH TEMPERATURE RANGE IN DISTILLATION?

a) 40–100°C

b) 150–200°C

c) 400–500°C

d) 250–350°C

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Category: GENERAL KNOWLEDGE QUIZ

22. EXAM: ONGC TECHNICIAN EXAM, 2018

WHICH FUEL IS USED IN GAS STOVES AT HOME?

a) PETROL

b) DIESEL

c) ATF

d) LPG

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Category: GENERAL KNOWLEDGE QUIZ

23. EXAM: HPCL MECHANICAL EXAM, 2019

WHICH REFINERY UNIT OPERATES UNDER REDUCED PRESSURE?

a) CRACKING UNIT

b) REFORMING UNIT

c) VACUUM DISTILLATION UNIT

d) ATMOSPHERIC DISTILLATION UNIT

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Category: GENERAL KNOWLEDGE QUIZ

24. EXAM: GAIL ENGINEER EXAM, 2018

GREASE IS PRODUCED BY MIXING LUBRICATING OIL WITH:

a) WATER

b) ALCOHOL

c) HYDROGEN

d) SOAP THICKENER

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Category: GENERAL KNOWLEDGE QUIZ

25. EXAM: HPCL ENGINEER EXAM, 2020

THE TALL COLUMN USED IN CRUDE OIL SEPARATION IS CALLED:

a) ABSORBER

b) FRACTIONATING COLUMN

c) REACTOR

d) SCRUBBER

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Category: GENERAL KNOWLEDGE QUIZ

26. EXAM: BPCL ENGINEER EXAM, 2018

WHICH REFINERY PROCESS REMOVES WAX FROM LUBRICATING OIL?

a) POLYMERIZATION

b) DEWAXING

c) REFORMING

d) CRACKING

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Category: GENERAL KNOWLEDGE QUIZ

27. EXAM: HPCL ENGINEER EXAM, 2017

THE MAIN PURPOSE OF HYDROTREATING IS TO:

a) INCREASE BOILING POINT

b) REMOVE SULFUR AND IMPURITIES

c) PRODUCE HYDROGEN

d) INCREASE VISCOSITY

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Category: GENERAL KNOWLEDGE QUIZ

28. EXAM: ONGC GT EXAM, 2021

WHICH REFINERY UNIT OPERATES UNDER VACUUM PRESSURE?

a) CATALYTIC CRACKING

b) HYDROTREATING

c) ATMOSPHERIC DISTILLATION

d) VACUUM DISTILLATION

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Category: GENERAL KNOWLEDGE QUIZ

29. EXAM: IOCL ENGINEER EXAM, 2019

WHICH PROCESS IMPROVES THE STABILITY OF LUBRICATING OIL?

a) HYDROFINISHING

b) DISTILLATION

c) POLYMERIZATION

d) CRACKING

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Category: GENERAL KNOWLEDGE QUIZ

30. EXAM: ONGC GRADUATE TRAINEE EXAM, 2019

WHICH FRACTION OBTAINED FROM CRUDE OIL IS USED FOR LPG PRODUCTION?

a) NAPHTHA

b) DIESEL FRACTION

c) LIGHT GASES

d) RESIDUE

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Category: GENERAL KNOWLEDGE QUIZ

31. EXAM: IOCL TECHNICAL ASSISTANT EXAM, 2018

WHICH PROCESS IS PRIMARILY USED TO SEPARATE CRUDE OIL INTO DIFFERENT FRACTIONS IN A REFINERY?

a) DISTILLATION

b) POLYMERIZATION

c) CRACKING

d) ALKYLATION

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Category: GENERAL KNOWLEDGE QUIZ

32. EXAM: ONGC GRADUATE TRAINEE EXAM, 2021

THE FRACTIONATING COLUMN SEPARATES CRUDE OIL BASED ON:

a) BOILING POINT

b) VISCOSITY

c) COLOR

d) DENSITY

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Category: GENERAL KNOWLEDGE QUIZ

33. EXAM: IOCL ENGINEER EXAM, 2017

WHICH PETROLEUM PRODUCT IS USED AS JET ENGINE FUEL?

a) LPG

b) PETROL

c) ATF

d) DIESEL

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Category: GENERAL KNOWLEDGE QUIZ

34. EXAM: BPCL MECHANICAL EXAM, 2019

LUBRICATING OILS ARE MAINLY OBTAINED FROM:

a) GAS FRACTIONS

b) MIDDLE FRACTIONS

c) HEAVY FRACTIONS

d) LIGHT FRACTIONS

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Category: GENERAL KNOWLEDGE QUIZ

35. EXAM: ONGC ASSISTANT EXECUTIVE ENGINEER EXAM, 2021

WHICH FUEL IS USED IN JET AIRCRAFT ENGINES?

a) DIESEL

b) PETROL

c) LPG

d) ATF

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Category: GENERAL KNOWLEDGE QUIZ

36. EXAM: ONGC ENGINEER EXAM, 2019

WHICH PROCESS INCREASES PETROL PRODUCTION FROM HEAVY OIL?

a) BLENDING

b) CRACKING

c) DEWAXING

d) DISTILLATION

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Category: GENERAL KNOWLEDGE QUIZ

37. EXAM: GAIL ENGINEER EXAM, 2017

WHICH PRODUCT IS OBTAINED FROM THE HEAVIEST FRACTION OF CRUDE OIL?

a) DIESEL

b) PETROL

c) BITUMEN

d) LPG

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Category: GENERAL KNOWLEDGE QUIZ

38. EXAM: IOCL ENGINEER EXAM, 2016

WHICH PETROLEUM PRODUCT IS USED FOR ROAD CONSTRUCTION?

a) LPG

b) BITUMEN

c) DIESEL

d) PETROL

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Category: GENERAL KNOWLEDGE QUIZ

39. EXAM: IOCL ENGINEER EXAM, 2019

WHICH REFINERY PROCESS IMPROVES FUEL STABILITY AND COLOR?

a) DISTILLATION

b) CRACKING

c) POLYMERIZATION

d) HYDROFINISHING

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Category: GENERAL KNOWLEDGE QUIZ

40. EXAM: GAIL ENGINEER EXAM, 2020

THE BOILING POINT OF LPG COMPONENTS IS GENERALLY:

a) ABOVE 400°C

b) 250–300°C

c) BELOW 40°C

d) 100–200°C

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Category: GENERAL KNOWLEDGE QUIZ

41. EXAM: HPCL MECHANICAL ENGINEER EXAM, 2018

WHICH PROCESS REMOVES SULFUR FROM PETROLEUM PRODUCTS?

a) REFORMING

b) POLYMERIZATION

c) ALKYLATION

d) HYDROTREATING

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Category: GENERAL KNOWLEDGE QUIZ

42. EXAM: HPCL ENGINEER EXAM, 2018

WHICH FRACTION IS USED TO PRODUCE KEROSENE AND ATF?

a) GAS FRACTION

b) RESIDUE

c) MIDDLE DISTILLATE FRACTION

d) NAPHTHA FRACTION

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Category: GENERAL KNOWLEDGE QUIZ

43. EXAM: HPCL ENGINEER EXAM, 2020

WHICH PROCESS COMBINES DIFFERENT FUEL COMPONENTS TO OBTAIN FINAL PRODUCT SPECIFICATIONS?

a) BLENDING

b) CRACKING

c) REFORMING

d) DISTILLATION

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Category: GENERAL KNOWLEDGE QUIZ

44. EXAM: HPCL ENGINEER EXAM, 2019

WHICH PETROLEUM PRODUCT IS COMMONLY USED AS AUTOMOBILE FUEL?

a) GREASE

b) PETROL

c) BITUMEN

d) WAX

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Category: GENERAL KNOWLEDGE QUIZ

45. EXAM: ONGC ENGINEER EXAM, 2017

WHICH GAS IS USED IN HYDROTREATING PROCESS?

a) HYDROGEN

b) OXYGEN

c) CARBON DIOXIDE

d) NITROGEN

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TEST YOUR UNDERSTANDING OF PETROLEUM REFINING WITH THIS PSU EXAM–FOCUSED MCQ QUIZ.
COVER KEY CONCEPTS LIKE DISTILLATION, CRACKING, AND REFINING PROCESSES IN A SIMPLE FORMAT.
THIS PRACTICE SET IS DESIGNED TO HELP ENGINEERING AND TECHNICAL ASPIRANTS PREPARE EFFECTIVELY.
BOOST YOUR KNOWLEDGE AND IMPROVE YOUR EXAM READINESS WITH CAREFULLY SELECTED QUESTIONS AND ANSWERS.

DISCLAIMER: –

THE “PETROLEUM REFINERY PROCESS: PSU EXAM MCQ QUIZ” IS CREATED FOR EDUCATIONAL AND INFORMATIONAL PURPOSES ONLY. WHILE EVERY EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY AND RELEVANCE OF THE QUESTIONS AND ANSWERS, THE WEBSITE OWNER DOES NOT GUARANTEE COMPLETENESS OR CORRECTNESS. THIS CONTENT IS INTENDED FOR PRACTICE AND EXAM PREPARATION ONLY. USERS ARE ADVISED TO VERIFY INFORMATION FROM OFFICIAL SOURCES. THE WEBSITE OWNER SHALL NOT BE HELD RESPONSIBLE FOR ANY ERRORS, OMISSIONS, OR ANY LOSSES OR DAMAGES ARISING FROM THE USE OF THIS CONTENT.

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PETROLEUM REFINERY PROCESS: PSU EXAM MCQ QUIZ

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