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March 2019

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

Petroleum Refinery Engineering /
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

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

Petroleum Refinery Engineering

An upper limit of oil content is limited to about ______________ percent for achieving efficient and satisfactory level of wax sweating?

Petroleum Refinery Engineering /
An upper limit of oil content is limited to about ______________ percent for achieving efficient and satisfactory level of wax sweating?

A. 5
B. 15
C. 40
D. 60

An upper limit of oil content is limited to about ______________ percent for achieving efficient and satisfactory level of wax sweating? Read More »

Petroleum Refinery Engineering