Furnace Technology Turndown ratio of a burner gives an idea of the __________ in the furnace. Range of fuel firing rates Minimum heat input rate only Maximum heat input rate only Volume of the combustion chamber Range of fuel firing rates Minimum heat input rate only Maximum heat input rate only Volume of the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace operation, which is not preheated? Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Solid fuels Both A and B Neither A nor B Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Solid fuels Both A and B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of a steel slab reheating furnace (walking beam type) may be about __________ percent. 40 85 70 15 40 85 70 15 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Unit of furnace loading is Both B and C Ton stock/m² hearth area Ton stock/hr Ton stock/hr/m² hearth area Both B and C Ton stock/m² hearth area Ton stock/hr Ton stock/hr/m² hearth area ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs natural draft? Coke oven Boiler L.D. converter Rotary kilns Coke oven Boiler L.D. converter Rotary kilns 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? Saving in fuel consumption Reduction in scale losses Increase in flame temperature Increase in calorific value of the fuel Saving in fuel consumption Reduction in scale losses Increase in flame temperature Increase in calorific value of the fuel ANSWER DOWNLOAD EXAMIANS APP