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Petroleum Refinery Engineering

Presence of aromatics in __________________?

August 23, 2021March 1, 2019 by admin
Presence of aromatics in __________________?

A. Diesel increases its cetane number
B. Kerosene increases its smoke point
C. Petrol increases its octane number
D. All A., B. and C.

Categories Petroleum Refinery Engineering

The main aim of cracking is to produce ____________________?

August 23, 2021March 1, 2019 by admin
The main aim of cracking is to produce ____________________?

A. Gasoline
B. Lube oil
C. Petrolatum
D. Coke

Categories Petroleum Refinery Engineering

Dearomatization of kerosene (by liquid sulphur dioxide extraction) is done to________________?

August 23, 2021March 1, 2019 by admin
Dearomatization of kerosene (by liquid sulphur dioxide extraction) is done to________________?

A. Increase its smoke point
B. Improve its oxidation stability
C. Decrease the breathing loss
D. None of these

Categories Petroleum Refinery Engineering

Visbreaking__________________?

August 23, 2021March 1, 2019 by admin
Visbreaking__________________?

A. Uses natural gas as feed
B. Is carried out at atmospheric pressure
C. Produces fuel oil of lower viscosity
D. Produces gasoline only

Categories Petroleum Refinery Engineering

Flash point of an oil is determined by the _____________________?

August 23, 2021March 1, 2019 by admin
Flash point of an oil is determined by the _____________________?

A. Pensky Martens apparatus
B. Ramsbottom apparatus
C. Saybolt viscometer
D. Conradson apparatus

Categories Petroleum Refinery Engineering

Catalyst used in catalytic polymerisation which produces polymer gasoline is_________________?

August 23, 2021March 1, 2019 by admin
Catalyst used in catalytic polymerisation which produces polymer gasoline is_________________?

A. H2SO4
B. H3PO4
C. Both A. and B.
D. AlCl3

Categories Petroleum Refinery Engineering

Hydrogen percentage (by weight) in crude petroleum may be about __________________?

August 23, 2021March 1, 2019 by admin
Hydrogen percentage (by weight) in crude petroleum may be about __________________?

A. 5
B. 15
C. 25
D. 35

Categories Petroleum Refinery Engineering

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

August 23, 2021March 1, 2019 by admin
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

Categories Petroleum Refinery Engineering

Petroleum liquid fuels having flash point greater than 66°C is considered as safe during storage and handling. Which of the following has flash point > 66°C ?

August 23, 2021March 1, 2019 by admin
Petroleum liquid fuels having flash point greater than 66°C is considered as safe during storage and handling. Which of the following has flash point > 66°C ?

A. Naphtha
B. Petrol
C. Kerosene
D. Heavy fuel oil

Categories Petroleum Refinery Engineering

Solvent used for dewaxing of petroleum products are____________________?

August 23, 2021March 1, 2019 by admin
Solvent used for dewaxing of petroleum products are____________________?

A. Furfural
B. Methyl ethyl ketone (MEK)
C. Propane
D. Both B. & C.

Categories Petroleum Refinery Engineering
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