Petroleum Refinery Engineering

Which of the following processes is used for the production of petroleum coke ?

Byadmin March 1, 2019August 23, 2021

Which of the following processes is used for the production of petroleum coke ?

A. Stabilisation
B. Visbreaking
C. Cracking
D. Reforming

Petroleum Refinery Engineering

Concentration of H2SO4 catalyst in alkylation is kept between 90-98%, because H2SO4 having concentration?

Concentration of H2SO4 catalyst in alkylation is kept between 90-98%, because H2SO4 having concentration?

A. Less than 90% promotes polymerisation
B. More than 98% promotes cracking
C. Both A. and B.
D. Neither A. nor B.

Read More Concentration of H2SO4 catalyst in alkylation is kept between 90-98%, because H2SO4 having concentration?
Petroleum Refinery Engineering

____________ is not an important refinery process for upgrading the quality of lubricating oil ?

____________ is not an important refinery process for upgrading the quality of lubricating oil ?

A. Deoiling
B. Solvent refining
C. Clay treatment
D. Hydro-treatment

Read More ____________ is not an important refinery process for upgrading the quality of lubricating oil ?
Petroleum Refinery Engineering

Solvent used in duo-sol extraction for lube oil upgradation is a mixture of______________?

Solvent used in duo-sol extraction for lube oil upgradation is a mixture of______________?

A. Propane & phenol-cresol mixture
B. Methyl ethyl ketone & glycol
C. Phenol & furfural
D. Propane & liquid sulphur dioxide

Read More Solvent used in duo-sol extraction for lube oil upgradation is a mixture of______________?
Petroleum Refinery Engineering

Carbon/hydrogen ratio (by weight) is maximum (out of following) for_________________?

Carbon/hydrogen ratio (by weight) is maximum (out of following) for_________________?

A. Gasoline
B. Kerosene
C. Light gas oil
D. Heavy fuel oil

Read More Carbon/hydrogen ratio (by weight) is maximum (out of following) for_________________?
Petroleum Refinery Engineering

Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of ______________ kcal/kg?

Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of ______________ kcal/kg?

A. 600-750
B. 250-350
C. 1000-1500
D. 2000-2500

Read More Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of ______________ kcal/kg?
Petroleum Refinery Engineering

Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of ____________________?

Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of ____________________?

A. Thermal cracking
B. Gum formation
C. Coking
D. Discoloration

Read More Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of ____________________?

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