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Fuels and Combustion

Fuels and Combustion
Temperature of coke oven gas just before entering into saturator (for recovery of NH₃) is about __________ °C.

30
120
65
180

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Fuels and Combustion
Number of macrocomponents present in coal according to Stopes are

Six
Four
Five
Two

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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
Power alcohol as compared to straight run gasoline has lower

Specific gravity
Calorific value
Viscosity
Octane number

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Fuels and Combustion
Which of the following will generate maximum volume of product of complete combustion (Nm³/Nm³ of fuel) ?

Natural gas
Producers
Blast furnace gas
Carburetted water gas

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Fuels and Combustion
Hard pitch is used for making

Insecticides
Plastics
Pulverised fuel
Perfumes

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