Furnace Technology Thermal efficiency of a limestone calcination rotary kiln may be around __________ percent. 40 80 65 20 40 80 65 20 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology While the fuel fired furnace can be used upto a maximum temperature of about 1700°C, the electric furnace can be used upto a temperature of about __________ °C. 4500 2000 3000 6000 4500 2000 3000 6000 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators compared to the recuperators for the same duty Are less costly Are of smaller size Occupy more space All of these Are less costly Are of smaller size Occupy more space All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Higher furnace temperature can not be achieved by use of a lean fuel gas in the furnace by Preheating the fuel gas Oxygen enrichment of combustion air Increasing the draft in the furnace Preheating the combustion air Preheating the fuel gas Oxygen enrichment of combustion air Increasing the draft in the furnace Preheating the combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat balance of furnace provides means of determining the Thermal efficiency of the process All of these Scope of reduction of heat losses Sources of heat losses Thermal efficiency of the process All of these Scope of reduction of heat losses Sources of heat losses 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 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 Increase in flame temperature Saving in fuel consumption ANSWER DOWNLOAD EXAMIANS APP
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