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Fuels and Combustion

Fuels and Combustion
Presence of __________ in a dry gaseous fuel does not contribute to its calorific value.

Hydrogen
Sulphur
Carbon
Oxygen

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Fuels and Combustion
If the specific heat of gaseous products of combustion of a fuel is high, the abiabatic flame temperature will be

Low
High
Very high, if the fuel is of low calorific value
None of these

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Fuels and Combustion
The cuprous chloride used in orsat apparatus can absorb

All of these
Both CO and CO₂
Both CO and O₂
Only CO

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Fuels and Combustion
Air/gas ratio for complete combustion will be the highest for

Carburetted water gas
Gobar gas
Coke oven gas
LPG

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

25
50
15
5

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Fuels and Combustion
Producer gas comprises mainly of

CO & N₂
CO & H₂
CO₂ & H₂
CO₂ & N₂

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