Furnace Technology Metallic recuperators are not used for waste heat recovery, if the hot flue gas temperature is above __________ °C, because corrosion prevails at higher temperatures. 750 1250 1050 350 750 1250 1050 350 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology If the flame is produced under the hearth and then sweeps up into the heating chamber, this is called a/an __________ furnace. Recirculating Underfired Sidefired Covered Recirculating Underfired Sidefired Covered ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Furnace pressure is normally controlled by regulating the Speed of I.D. fan Damper Air pressure Fuel gas pressure Speed of I.D. fan Damper Air pressure Fuel gas pressure ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Furnace aerodynamics is related to the __________ in the furnace. Temperature control Measurement of flue gas volume Pressure adjustment Movement of gases Temperature control Measurement of flue gas volume Pressure adjustment Movement of gases ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Forced recirculation of furnace gases is practised To increase heat transfer by convection All of these In furnaces, operating below 750°C To ensure uniform temperature To increase heat transfer by convection All of these In furnaces, operating below 750°C To ensure uniform temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace, the heat taken by the charge/stock and the heat lost to the furnace structure & flue gases depends on the Rate of firing and emissivity of flame All of these Nature of process ; whether batch, continuous or intermittant Thermal conductivity of the charge & structural materials of furnace Rate of firing and emissivity of flame All of these Nature of process ; whether batch, continuous or intermittant Thermal conductivity of the charge & structural materials of furnace ANSWER DOWNLOAD EXAMIANS APP
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