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Petroleum Refinery Engineering
Comments
Question
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.
Correct Answer
High viscosity index means a large change in viscosity with change in temperature.
Petroleum Refinery Engineering problems
Search Results
1. Which of the following processes consumes hydrogen?
Options
A. Fluid catalytic cracking
B. Visbreaking
C. Propane deasphalting
D. None of these
Show Answer
Scratch Pad
Discuss
Correct Answer: Fluid catalytic cracking
2. Crude petroleum oil is a __________ fuel.
Options
A. primary
B. fossil
C. both (a) & (b)
D. secondary
Show Answer
Scratch Pad
Discuss
Correct Answer: both (a) & (b)
3. In catalytic cracking process, olefins crack __________ times faster than in thermal cracking process.
Options
A. 100
B. 200-300
C. 1000-10000
D. 10
Show Answer
Scratch Pad
Discuss
Correct Answer: 1000-10000
4. 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).
Show Answer
Scratch Pad
Discuss
Correct Answer: aqueous solution (10% water) of diethylene glycol.
5. 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)
Show Answer
Scratch Pad
Discuss
Correct Answer: low final boiling point product
6. Crude oil produced by Indian oil fields are predominantly __________ in nature.
Options
A. paraffinic
B. naphthenic
C. asphaltic
D. mixed base
Show Answer
Scratch Pad
Discuss
Correct Answer: asphaltic
7. Which of the following has the maximum °API gravity of all?
Options
A. Diesel
B. Kerosene
C. Petrol
D. Furnace oil
Show Answer
Scratch Pad
Discuss
Correct Answer: Petrol
8. Main constituent of natural gas is
Options
A. CH
4
B. C
2
H
2
C. C
2
H
4
D. C
2
H
6
Show Answer
Scratch Pad
Discuss
Correct Answer: CH
4
9. Sulphuric acid treatment of petroleum products removes the __________ materials.
Options
A. gum forming
B. color forming
C. asphaltic
D. all (a), (b) & (c)
Show Answer
Scratch Pad
Discuss
Correct Answer: all (a), (b) & (c)
10. Which of the following has the highest viscosity of all (at a given temperature)?
Options
A. Naphtha
B. Fuel oil
C. Light diesel oil
D. Petrol
Show Answer
Scratch Pad
Discuss
Correct Answer: Fuel oil
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