Furnace Technology Turndown ratio of a burner gives an idea of the __________ in the furnace. Range of fuel firing rates Volume of the combustion chamber Minimum heat input rate only Maximum heat input rate only Range of fuel firing rates Volume of the combustion chamber Minimum heat input rate only Maximum heat input rate only ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Neutral atmosphere is maintained in a/an __________ furnace. Open hearth Cold rolled steel coil annealing Soaking pit Walking beam reheating Open hearth Cold rolled steel coil annealing Soaking pit Walking beam reheating ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following variables does not affect the furnace capacity? Ratio of wall surface to surface of stock Size of the furnace None of these Gas velocity in furnace Ratio of wall surface to surface of stock Size of the furnace None of these Gas velocity in furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The purpose of controlling the furnace atmosphere is to prevent surface attack by Sulphur penetration Decarburising Oxidation/scaling Either of the above Sulphur penetration Decarburising Oxidation/scaling Either of the above ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Large tonnage of refractory bricks are dried in a Shaft furnace Tunnel kiln Rotary hearth furnace Muffle furnace Shaft furnace Tunnel kiln Rotary hearth furnace Muffle furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Use of pulverised coal in boilers provides Better combustion Smokeless burning Higher calorific value Less erosion on furnace wall Better combustion Smokeless burning Higher calorific value Less erosion on furnace wall ANSWER DOWNLOAD EXAMIANS APP
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