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Fuels and Combustion

Fuels and Combustion
The gasification reaction represented by, C + H₂O = CO + H₂, is

Endothermic
Autocatalytic
Catalytic
Exothermic

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

10
500
0.5
50

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Fuels and Combustion
Calorific value of furnace oil is about __________ Kcal/kg.

20000
5000
15000
10000

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Fuels and Combustion
Which of the following fuel gases will require maximum amount of air for combustion of 1 Nm³ gas ?

Producer gas
Water gas
Natural gas
Blast furnace gas

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Fuels and Combustion
Oxygen content in a flue gas was found to be 4%. It implies that excess air used for combustion was around __________ percent.

20
40
96
4

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Fuels and Combustion
Ionisation potential applied across the electrodes of electrostatic tar precipitator is around

60 KV DC
230 V AC
60 KV AC
230 V DC

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