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Petroleum Refinery Engineering

Petroleum Refinery Engineering
Crude petroleum oil is a __________ fuel.

Secondary
Both A & B
Fossil
Primary

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Petroleum Refinery Engineering
Reforming converts

Naphthenes into paraffin
Olefins into paraffins
Naphthenes into olefins
Naphthenes into aromatics

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Petroleum Refinery Engineering
Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than __________ mg/kg of kerosene.

100
500
1
20

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Petroleum Refinery Engineering
Mercaptans are added to liquefied petroleum gas (LPG) to

Reduce its cost
Assist in checking its leakage from cylinder
Narrow down its explosion limit
Increase its calorific value

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Petroleum Refinery Engineering
Mercapsol and Unisol processes are meant for the

Removal of mercaptans
Decoloration
Dearomatisation of kerosene
Dewaxing

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Petroleum Refinery Engineering
Detergent is added as an additive in engine lubricating oil to

Reduce deposit formation
Increase oxidation stability
Keep contaminants in suspension
Prevent rusting

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