Fuels and Combustion MCQs
Practice free Fuels and Combustion multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 590 questions — no login required.
Question 370hard
The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C.
Question 371hard
The difference between total carbon and fixed carbon of coal will be minimum in case of
Question 372medium
With increase in the oxygen content of the coal, its __________ decreases.
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Question 373medium
Gobar gas constitutes mainly of
Question 374medium
Producer gas comprises mainly of
Question 375hard
Flue gas from the heating chamber of byproduct coke ovens is removed by
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Question 376hard
Furnace oil consumption in a furnace for a given duty employing preheated combination air (at 300° ) may be reduced by about __________ percent as compared to the use of atmospheric combustion air.
Question 377medium
Removal of hydrogen from coke oven gas
Question 378medium
A coal that softens and fuses on heating is