Furnace Technology Maximum thermal efficiency of boiler may be about __________ percent. 90 25 10 65 90 25 10 65 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. 3000 4500 6000 2000 3000 4500 6000 2000 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Blast furnace stoves are meant for heating None of these Blast furnace gas Air Steam None of these Blast furnace gas Air Steam ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel economy in an industrial furnace operation can not be achieved by the use of Combustion air not enriched with oxygen Stoichiometric combustion air Non-preheated combustion air Recupterators Combustion air not enriched with oxygen Stoichiometric combustion air Non-preheated combustion air Recupterators ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology To reduce the stack loss, heat recovery from flue gas can be done by Preheating of cold stock All of these Steam generation in waste heat boilers Preheating of combustion air Preheating of cold stock All of these Steam generation in waste heat boilers Preheating of combustion air 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. Underfired Covered Recirculating Sidefired Underfired Covered Recirculating Sidefired ANSWER DOWNLOAD EXAMIANS APP
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