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Fuels and Combustion

Fuels and Combustion
Heat penetration rate in narrow coke ovens in high temperature carbonisation of coal is around __________ cm/hr.

2.5
20
0.5
10

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Fuels and Combustion
Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has

Neither A nor B
Both A & B
Higher calorific value
Lower hydrogen content

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Fuels and Combustion
L.D. converter gas (produced in steel plant) comprises mainly of

CO₂ & H₂
CO (upto 65%) & CO₂
CO₂ & O₂
CO & O₂

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Fuels and Combustion
Fuel for a fast breeder nuclear reactor is

Uranium
Neptunium
Plutonium
Radium

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Fuels and Combustion
When the coal is heated in absence of air, it is called its

Gasification
Coalification
Deoxidation
Carbonisation

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Fuels and Combustion
Gray King Assay and Swelling Index of a coal is a measure of its

Agglutinating properties
Swelling characteristics
Abradability
Resistance to impact breakage

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