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Fuels and Combustion

Fuels and Combustion
Which of the following fuels is the best for burning on chain grate stoker?

Caking coal
Coking coal
Non-caking coal
Pulverised coal

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Fuels and Combustion
Main component of sewage gas produced during aneorobic decomposition of organic waste (by suitable bacteria) during sewage disposal is

CO₂
CH₄
N₂
H₂

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Fuels and Combustion
__________ is used as jet engine fuel.

LPG
Petrol
Diesel
Kerosene

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Fuels and Combustion
Percentage of methane in coke oven gas may be around

5
15
50
25

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Fuels and Combustion
Ash content in the coke produced from a coking coal having 20% ash may be around __________ percent.

12
18
6
24

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Fuels and Combustion
Net calorific value is the gross calorific value less the __________ heat of water in the product of combustion when cooled to 15°C.

Sensible
None of these
Sensible and latent
Latent

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