Furnace Technology Turn down ratio of a burner Should be 1:1 for a batch type furnace. Should be as low as possible i.e., 1 : 2 Is normally much more for a continuous furnace as compared to a batch furnace Is the ratio of maximum to minimum permissible heat input rates Should be 1:1 for a batch type furnace. Should be as low as possible i.e., 1 : 2 Is normally much more for a continuous furnace as compared to a batch furnace Is the ratio of maximum to minimum permissible heat input rates ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The function of an economiser in a boiler is to preheat the Feedwater Pulverised coal Combustion air Furnace oil Feedwater Pulverised coal Combustion air Furnace oil ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Protective gas used in the annealing furnace for steel coil comprises of 100% CO 5% H₂ + 9% N₂ 100 %H₂ 95% N₂ + 5% H₂ 100% CO 5% H₂ + 9% N₂ 100 %H₂ 95% N₂ + 5% H₂ ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Combustion of fuel in a furnace with oxygen enriched air results in higher Flame temperature Fuel consumption Stack loss Flue gas volume Flame temperature Fuel consumption Stack loss Flue gas volume 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 Non-preheated combustion air Stoichiometric combustion air Recupterators Combustion air not enriched with oxygen Non-preheated combustion air Stoichiometric combustion air Recupterators ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a heat treatment furnace? Rotary kiln Reheating furnace Muffle furnace Annealing furnace Rotary kiln Reheating furnace Muffle furnace Annealing furnace ANSWER DOWNLOAD EXAMIANS APP
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