Furnace Technology Air filtration in a furnace Increases the flue gas temperature Reduces its thermal efficiency Is indicated by flame sting out None of these Increases the flue gas temperature Reduces its thermal efficiency Is indicated by flame sting out None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The resistance furnace produces heat by the Combination of induced current and skin effect None of these Electric arc struck between electrodes and the charge Flow of current through a heating element Combination of induced current and skin effect None of these Electric arc struck between electrodes and the charge Flow of current through a heating element ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In practical operation of any furnace, zero oxygen percentage or theoretical CO₂ percentage in flue gas is rarely achieved, because of Use of non-preheated combustion air Use of excessive positive draft in the furnace Use of pulverised solid fuels Imperfect mixing of fuel & air and infiltration of air Use of non-preheated combustion air Use of excessive positive draft in the furnace Use of pulverised solid fuels Imperfect mixing of fuel & air and infiltration of air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Acid dew point temperature (ADT) of a flue gas produced by the combustion of a fuel containing 1% sulphur may be about __________ °C. 180 80 130 250 180 80 130 250 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Means for giving direction to the circulation of gases in furnaces are All of these Fans Arrangement of heating stock in the furnaces Location of outlet ports and heating & combustion devices All of these Fans Arrangement of heating stock in the furnaces Location of outlet ports and heating & combustion devices ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Advantages of use of preheated combustion air are Reduction in scale losses All of these Increase in flame temperature Saving in fuel consumption Reduction in scale losses All of these Increase in flame temperature Saving in fuel consumption ANSWER DOWNLOAD EXAMIANS APP