Fuel Gases Containing Hydrocarbons (e.g. Coke Oven Gas) Are Not Preheated Before Burning, Mainly Because _________________

Hamad Fuels and Combustion 07/05/2020

A. The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot
B. It reduces its calorific value tremendously
C. It reduces its flame temperature tremendously
D. There are chances of explosion during preheating

Related Mcqs:

Pick out the wrong statement ?

A. Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal B. Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel C. Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing D. … Pick out the wrong statement ?Read More...

Coke having higher porosity has ___________________?

A. Lower bulk density B. Lower strength C. Higher reactivity D. All A., B. and C....

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A. Temperature of the flue gas B. Its height C. Both A. & B. D. Neither A. nor B....

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A. 1500 B. 3300 C. 5400 D. 8500...

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