Discussion
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- Question
Which of the following processes consumes hydrogen?
Options- A. Fluid catalytic cracking
- B. Visbreaking
- C. Propane deasphalting
- D. None of these
- Correct Answer
- Fluid catalytic cracking
- 1. Crude petroleum oil is a __________ fuel.
Options- A. primary
- B. fossil
- C. both (a) & (b)
- D. secondary Discuss
- 2. In catalytic cracking process, olefins crack __________ times faster than in thermal cracking process.
Options- A. 100
- B. 200-300
- C. 1000-10000
- D. 10 Discuss
- 3. Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is
Options- A. propane.
- B. diethylene glycol.
- C. aqueous solution (10% water) of diethylene glycol.
- D. methyl ethyl ketone (MEK). Discuss
- 4. In catalytic alkylation, higher iso-butane to olefin ratio gives
Options- A. low final boiling point product
- B. higher yield
- C. both (a) and (b)
- D. neither (a) nor (b) Discuss
- 5. Pick out the correct statement.
Options- A. Paraffins have higher octane number than corresponding iso-paraffin.
- B. Paraffins have lower smoke point than aromatics.
- C. Suitability of kerosene as a fuel & as an illuminant may be determined by char value test.
- D. Aviation fuel should have very high cloud point. Discuss
- 6. Pick out the wrong statement.
Options- A. Multigrade lubricating oils have high viscosity index.
- B. Paraffinic oil has very high viscosity index.
- C. Naphthenic oil has very low viscosity index.
- D. High viscosity index means a large change in viscosity with change in temperature. Discuss
- 7. Crude oil produced by Indian oil fields are predominantly __________ in nature.
Options- A. paraffinic
- B. naphthenic
- C. asphaltic
- D. mixed base Discuss
- 8. Which of the following has the maximum °API gravity of all?
Options- A. Diesel
- B. Kerosene
- C. Petrol
- D. Furnace oil Discuss
- 9. Main constituent of natural gas is
Options- A. CH4
- B. C2H2
- C. C2H4
- D. C2H6 Discuss
- 10. Sulphuric acid treatment of petroleum products removes the __________ materials.
Options- A. gum forming
- B. color forming
- C. asphaltic
- D. all (a), (b) & (c) Discuss
Petroleum Refinery Engineering problems
Search Results
Correct Answer: both (a) & (b)
Correct Answer: 1000-10000
Correct Answer: aqueous solution (10% water) of diethylene glycol.
Correct Answer: low final boiling point product
Correct Answer: Paraffins have lower smoke point than aromatics.
Correct Answer: High viscosity index means a large change in viscosity with change in temperature.
Correct Answer: asphaltic
Correct Answer: Petrol
Correct Answer: CH4
Correct Answer: all (a), (b) & (c)
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