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Fuels and Combustion

Fuels and Combustion
__________ is used as jet engine fuel.

Petrol
Kerosene
LPG
Diesel

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Fuels and Combustion
During its calorific value determination by bomb calorimeter, coal is combusted by

Oxygen
None of these
Air
Oxygen enriched air

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Fuels and Combustion
Which of the following petrographic constituents of coal is non-coking?

Clarain
Durain
Fussain
Vitrain

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Fuels and Combustion
Volatile matter content in coking coal may be about __________ percent.

1
46
22
7

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Fuels and Combustion
Calorific value of coke even gas produced by low temperature carbonisation of coal is about __________ Kcal/Nm³.

6500
4000
2500
10000

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Fuels and Combustion
By-products are __________ recovered in 'Beehive ovens'.

Partially
Fully
Negligibly
Not at all

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