Furnace Technology Out of the following fuels used in a furnace exhausting flue gas at a temperature of 600°C, the percentage stack loss will be maximum in case of complete combustion of Blast furnace gas with oxygen Furnace oil with oxygen Furnace oil with air Blast furnace gas with air Blast furnace gas with oxygen Furnace oil with oxygen Furnace oil with air Blast furnace gas with air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of a steel slab reheating furnace (walking beam type) may be about __________ percent. 70 85 15 40 70 85 15 40 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turn down ratio of a burner Should be as low as possible i.e., 1 : 2 Should be 1:1 for a batch type furnace. 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 as low as possible i.e., 1 : 2 Should be 1:1 for a batch type furnace. 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 Waste heat from the outgoing flue gases in a thermal power plant is recovered by a/an All of these Air preheater Steam superheater Economiser All of these Air preheater Steam superheater Economiser ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Forced recirculation of furnace gases is practised In furnaces, operating below 750°C To ensure uniform temperature All of these To increase heat transfer by convection In furnaces, operating below 750°C To ensure uniform temperature All of these To increase heat transfer by convection ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Example of an indirectly heated furnace is Both A and B Muffle furnace Neither A nor B Hood annealing furnace Both A and B Muffle furnace Neither A nor B Hood annealing furnace ANSWER DOWNLOAD EXAMIANS APP
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