Hamad Furnace Technology 29/11/2021 A. Economiser B. Steam superheater C. Air preheater D. All A., B. and C. Related Mcqs: Forced recirculation of furnace gases is practised_______________?A. To increase heat transfer by convection B. To ensure uniform temperature C. In furnaces, operating below 750°C D. All A., B. and C.... Pulverised fuel fired furnaces employ ______________ fuel firing?A. Horizontal B. Vertical C. Tangential D. All A., B. and C.... Acid dew point temperature (ADT) of a flue gas produced by the combustion of a fuel containing 1% sulphur may be about ____________ °C?A. 80 B. 130 C. 180 D. 250... Which is not accomplished in an underfired furnace ?A. Increase in heating capacity/m2 of floor space B. Elimination of cold spot at the bottom of the charge C. Reduction in the temperature of furnace gases D. Protection of the periphery of the charge from excessive radiation... Furnace pressure is normally controlled by regulating the__________________?A. Air pressure B. Fuel gas pressure C. Speed of I.D. fan D. Damper...
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