Furnace Technology Oxygen percentage in the flue gas coming out of a gaseous fuel fired furnace should be ideally about __________ percent. < 8 < 5 < 10 < 2 < 8 < 5 < 10 < 2 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Means for giving direction to the circulation of gases in furnaces are All of these Arrangement of heating stock in the furnaces Location of outlet ports and heating & combustion devices Fans All of these Arrangement of heating stock in the furnaces Location of outlet ports and heating & combustion devices Fans ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following advantages is not associated with the use of preheated air for combustion of a fuel in the furnace? Increase in flame temperature Saving in fuel consumption Increase in calorific value of the fuel Reduction in scale losses Increase in flame temperature Saving in fuel consumption Increase in calorific value of the fuel Reduction in scale losses ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Unit of furnace loading is Ton stock/m² hearth area Both B and C Ton stock/hr Ton stock/hr/m² hearth area Ton stock/m² hearth area Both B and C Ton stock/hr Ton stock/hr/m² hearth area ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In which of the following furnaces, the gases are sucked through the stock bed from below? Beehive oven Soaking pit None of these Sintering machine Beehive oven Soaking pit None of these Sintering machine ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ingress of cold air in the furnaces through cracks, charging doors, openings etc. Reduces the flue gas temperature and makes the furnace atmosphere oxidising Reduces the furnace draught All of these Increases the load on the induced draft fan Reduces the flue gas temperature and makes the furnace atmosphere oxidising Reduces the furnace draught All of these Increases the load on the induced draft fan ANSWER DOWNLOAD EXAMIANS APP