Furnace Technology Fuel economy in an industrial furnace operation can not be achieved by the use of Stoichiometric combustion air Combustion air not enriched with oxygen Non-preheated combustion air Recupterators Stoichiometric combustion air Combustion air not enriched with oxygen 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 Preheating of combustion air Steam generation in waste heat boilers Preheating of cold stock All of these Preheating of combustion air Steam generation in waste heat boilers ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In practical operation of any furnace, zero oxygen percentage or theoretical CO₂ percentage in flue gas is rarely achieved, because of Imperfect mixing of fuel & air and infiltration of air Use of excessive positive draft in the furnace Use of non-preheated combustion air Use of pulverised solid fuels Imperfect mixing of fuel & air and infiltration of air Use of excessive positive draft in the furnace Use of non-preheated combustion air Use of pulverised solid fuels ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Tunnel kilns are usually used for Reheating of slabs Melting of glass Drying/tempering of refractories Roasting of pyrites Reheating of slabs Melting of glass Drying/tempering of refractories Roasting of pyrites ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which one shows the diagramatic heat balance in a furnace? None of these Ostwald chart Cox chart Sankey diagram None of these Ostwald chart Cox chart Sankey diagram ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turn down ratio of a burner Is the ratio of maximum to minimum permissible heat input rates Should be as low as possible i.e., 1 : 2 Is normally much more for a continuous furnace as compared to a batch furnace Should be 1:1 for a batch type furnace. Is the ratio of maximum to minimum permissible heat input rates Should be as low as possible i.e., 1 : 2 Is normally much more for a continuous furnace as compared to a batch furnace Should be 1:1 for a batch type furnace. ANSWER DOWNLOAD EXAMIANS APP
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