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Fuels And Combustion MCQ Questions & Answers | Chemical Engineering

Learn Fuels And Combustion MCQ questions & answers are available for a Chemical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Fuels And Combustion MCQ question is the important chapter for a Chemical Engineering and GATE students. Page-5 section-4

Each section contains 100 MCQs on Fuels and Combustion .
41
Function of secondary air in pulverised coal firing is to
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Answer: Option C
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42
'Mixed gas' used in steel plants is a mixture of
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Answer: Option A
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43
The calorific value of a gas of composition CO2 = 20%, H2 = 50%, CH4 = 30%, is y. If the composition of gas is changed to H2 = 50%, CH4 = 30%, CO2 = 10%, N2 = 10%, then the calorific value will be
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Answer: Option A
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44
Blast furnace coke is made from coal by
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Answer: Option B
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45
Blast furnace gas constitutes mainly of
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Answer: Option C
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46
The advantage of firing pulverised coal in the furnace lies in the fact, that it
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Answer: Option C
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47
Naphthalene is used for making
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Answer: Option D
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48
Which of the following is not increased by using preheated combustion air in place of ordinary air at room temperature?
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Answer: Option A
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49
Coal is heated in absence of air for 7 minutes at a temperature of about __________ °C, during its volatile matter determination for proximate analysis.
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Answer: Option C
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50
Low temperature oxidation of coal resulting from bad storage conditions does not decrease its
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Answer: Option D
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