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Chemical Engineering
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Petroleum Refinery Engineering
Comments
Question
Crude petroleum oil is a __________ fuel.
Options
A. primary
B. fossil
C. both (a) & (b)
D. secondary
Correct Answer
both (a) & (b)
Petroleum Refinery Engineering problems
Search Results
1. 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
2. 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.
3. 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
4. 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.
Show Answer
Scratch Pad
Discuss
Correct Answer: Paraffins have lower smoke point than aromatics.
5. Petroleum coke is used mainly .in the
Options
A. discoloration of yellow glycerine.
B. sugar refining.
C. manufacture of carbon electrode.
D. blast furnace for reduction of iron ore.
Show Answer
Scratch Pad
Discuss
Correct Answer: manufacture of carbon electrode.
6. 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
7. 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.
Show Answer
Scratch Pad
Discuss
Correct Answer: High viscosity index means a large change in viscosity with change in temperature.
8. 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
9. 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
10. 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
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