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Petroleum Refinery Engineering

Petroleum Refinery Engineering
Which of the following is an additive used for improving the cetane number of diesel?

None of these
Tetraethyl lead
Ethyl nitrate or acetone
Tetramethyllead

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Petroleum Refinery Engineering
Methyl tertiary butyl ether (MTBE), a high octane (octane no. = 115) gasoline blending component is produced by the simple additive reaction of isobutylene with

Ethyl alcohol
Ethane
Methyl alcohol
Methane

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Petroleum Refinery Engineering
Research octane number refers to the

Low octane number motor fuels
Unleaded motor fuels
High octane number aviation fuels
High octane number motor fuels

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Petroleum Refinery Engineering
High aniline point of a petrofuel (say diesel) indicates that

It has a very low diesel index
It is highly aromatic in nature
It is highly paraffinic in nature
Its ignition quality is very poor

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Petroleum Refinery Engineering
A typical yield of kerosene in straight run distillation of crude oil may be about __________ percent.

4
18
26
10

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Petroleum Refinery Engineering
Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is

Methyl ethyl ketone (MEK)
Aqueous solution (10% water) of diethylene glycol
Propane
Diethylene glycol

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