Furnace Technology Turndown ratio of a burner gives an idea of the __________ in the furnace. Minimum heat input rate only Range of fuel firing rates Volume of the combustion chamber Maximum heat input rate only Minimum heat input rate only Range of fuel firing rates Volume of the combustion chamber Maximum heat input rate only ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Use of pulverised coal in boilers provides Smokeless burning Better combustion Less erosion on furnace wall Higher calorific value Smokeless burning Better combustion Less erosion on furnace wall Higher calorific value 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. 6000 2000 3000 4500 6000 2000 3000 4500 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators compared to the recuperators for the same duty Are less costly All of these Are of smaller size Occupy more space Are less costly All of these Are of smaller size Occupy more space ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Tunnel kilns are usually used for Melting of glass Reheating of slabs Roasting of pyrites Drying/tempering of refractories Melting of glass Reheating of slabs Roasting of pyrites Drying/tempering of refractories ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Large tonnage of refractory bricks are dried in a Shaft furnace Tunnel kiln Muffle furnace Rotary hearth furnace Shaft furnace Tunnel kiln Muffle furnace Rotary hearth furnace ANSWER DOWNLOAD EXAMIANS APP
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