Furnace Technology The function of an economiser in a boiler is to preheat the Feedwater Furnace oil Combustion air Pulverised coal Feedwater Furnace oil Combustion air Pulverised coal ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Artificial draught produced by a fan in the furnace can be controlled by the Speed of the fan Damper All of these Variation in the pitch of fan blades Speed of the fan Damper All of these Variation in the pitch of fan blades ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Example of an indirectly heated furnace is Both A and B Muffle furnace Hood annealing furnace Neither A nor B Both A and B Muffle furnace Hood annealing furnace Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Forced recirculation of furnace gases is practised To increase heat transfer by convection To ensure uniform temperature In furnaces, operating below 750°C All of these To increase heat transfer by convection To ensure uniform temperature In furnaces, operating below 750°C All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Reheating furnace (pusher type) is used for heating Slabs Ingots Steel coils Steel sheets Slabs Ingots Steel coils Steel sheets ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain an oxidising atmosphere in a furnace, it should have More of CO₂ in flue gas Less of excess air More of excess air More of CO in flue gas More of CO₂ in flue gas Less of excess air More of excess air More of CO in flue gas ANSWER DOWNLOAD EXAMIANS APP
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