Height of coke oven is limited (say maximum upto 7 metres) mainly by the_____________________?

Fuels and Combustion 16/11/2023

A. Problem of uniform heating along its height
B. Structural strength of silica bricks
C. Problem in door cleaning
D. Buckling of ram of pusher car at the time of coke pushing

Related Mcqs:

    Bomb calorimeter can be used to determine the _____________ of the coal?
    A. Sulphur content B. Calorific value C. Both A. & B. D. Neither A. nor B....
    A coal gasifier operating at 20 atm. (e.g. Lurgi gasifier) as compared to one operating at atmospheric pressure (e.g. Kopper-Totzek or Winkler gasifier) will produce a gas having _____________________?
    A. Higher methane content and thus higher calorific value B. Higher carbon monoxide content C. Lower carbon dioxide content D. None of these...
    Low temperature oxidation of stored coal results in the________________?
    A. Decrease in its caking power & calorific value B. Decrease in its carbon & hydrogen content C. Increase in its oxygen content D. All A., B. and A....
    Percentage of methane in coke oven gas may be around _____________________?
    A. 5 B. 15 C. 25 D. 50...
    Fuel consumption in coke making can be reduced by___________________?
    A. Preheating, blending and de-ashing the coal B. Stamped charging of coal C. Dry quenching of coke D. All A., B. and C....

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