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Fuels and Combustion

Fuels and Combustion
Bomb calorimeter can be used to determine the __________ of the coal.

Calorific value
Neither A nor B
Sulphur content
Both A & B

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Fuels and Combustion
Flue gas discharge velocity through chimney of a big thermal power plant may be around __________ m/sec.

500
50
0.5
10

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Fuels and Combustion
Fuel combustion is never cent per cent efficient due to

All of these
Moisture loss
Dry gas/stack gas loss
Incomplete combustion

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Fuels and Combustion
Largest constituent of blast furnace gas is

CO
N₂
CO₂
H₂

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Fuels and Combustion
The shift conversion reaction taking place during water gas manufacture is given by

C + H₂O ⟷ CO + H₂
C + 2H₂O ⟷ CO₂ + 2H₂
None of these
CO + H₂O ⟷ CO₂ + H₂

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Fuels and Combustion
High temperature in gasification of coal favours

Low production of CO₂
High production of CO
High production of CO₂
Both B and C

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