Petroleum Refinery Engineering

Tetra-ethyl lead is added in gasoline to ______________________?

Byadmin March 1, 2019August 23, 2021

Tetra-ethyl lead is added in gasoline to ______________________?

A. Increase its smoke point
B. Reduce gum formation
C. Reduce the pour point
D. Increase its octane number

Petroleum Refinery Engineering

Main boring diameter for petroleum well is 20-30 cms in diameter, while the depth of the oil well may be about _____________ kms?

Main boring diameter for petroleum well is 20-30 cms in diameter, while the depth of the oil well may be about _____________ kms?

A. 0.1 to 0.5
B. 1.5 to 4.5
C. 7.5 to 12.5
D. 15-20

Read More Main boring diameter for petroleum well is 20-30 cms in diameter, while the depth of the oil well may be about _____________ kms?
Petroleum Refinery Engineering

Water content in the crude oil as it comes out of oil well may be upto ______________ percent?

Water content in the crude oil as it comes out of oil well may be upto ______________ percent?

A. 2
B. 5
C. 10
D. 25

Read More Water content in the crude oil as it comes out of oil well may be upto ______________ percent?
Petroleum Refinery Engineering

Which of the following gasoline (unleaded) has the least octane number ?

Which of the following gasoline (unleaded) has the least octane number ?

A. Catalytically cracked gasoline
B. Straight run gasoline
C. Catalytically reformed gasoline
D. Polymer gasoline

Read More Which of the following gasoline (unleaded) has the least octane number ?
Petroleum Refinery Engineering

Which of the following is not a sulphur compound present in petroleum ?

Which of the following is not a sulphur compound present in petroleum ?

A. Thiophenes
B. Mercaptans
C. Sulphones
D. Pyrroles

Read More Which of the following is not a sulphur compound present in petroleum ?
Petroleum Refinery Engineering

Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil__________________?

Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil__________________?

A. Gives higher yield of petrol
B. Lower octane number of petrol
C. Higher sulphur content in the product
D. Higher gum forming material in petrol

Read More Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil__________________?
Petroleum Refinery Engineering

Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about ________________ ppm?

Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about ________________ ppm?

A. 1
B. 50
C. 5000
D. 10000

Read More Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about ________________ ppm?

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