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Fuels and Combustion

Fuels and Combustion
High sulphur (4-6%) coal in India are found in

Assam
Madhya Pradesh
Andhra Pradesh
Bengal

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Fuels and Combustion
During combustion of a gaseous fuel, the presence of a non-luminous flame is an indication of the

Complete combustion
None of these
Incomplete combustion
High oxygen in flue gas

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Fuels and Combustion
Shatter index of metallurgical coke on 2 inches and 0.5 inch screen should be respectively around __________ percent.

95 and 100
80 and 97
25 and 97
40 and 70

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Fuels and Combustion
Catalyst used in Fischer-Tropsch process is

Alumina
Thorium oxide
Zinc oxide
Nickel

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

120
30
180
65

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Fuels and Combustion
The main reason for making the copper calorimeter (used in bomb calorimeter) silvery white and shining/polished is to

Avoid radiation heat loss
None of these
Minimise its corrosion
Make it look attractive

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