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Fuels and Combustion

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

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

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Fuels and Combustion
Which of the following has the highest gross calorific value?

Blast furnace gas
Carburetted water gas
Oil refinery gas
Coke oven gas

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Fuels and Combustion
Short/intense flame is produced during combustion of gaseous fuel by using

Low amount/current of combustion air
High amount/current of combustion air
Very little excess air
Preheated secondary air

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Fuels and Combustion
Efficiency of the combustion of a fuel is judged by the __________ the flue gas.

Colour of
Temperature of
% of O₂in
%of CO₂ in

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Fuels and Combustion
Combustion reaction of fuels is a/an __________ reaction.

Exothermic
Endothermic
None of these
Auto catalytic

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Fuels and Combustion
Fuel for a fast breeder nuclear reactor is

Neptunium
Uranium
Plutonium
Radium

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