Furnace Technology Ostwald charts are meant for None of these Computation of flue gas analysis Calculation of flue gas temperature Computing the excess/deficiency of combustion air None of these Computation of flue gas analysis Calculation of flue gas temperature Computing the excess/deficiency of combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a muffle furnace, the muffle Permits the use of controlled atmosphere for the protection of stock All of these Assists in temperature equalisation in the charge Retards the heat transfer Permits the use of controlled atmosphere for the protection of stock All of these Assists in temperature equalisation in the charge Retards the heat transfer ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent. 44119 65-70 25-30 45-50 44119 65-70 25-30 45-50 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Artificial draught produced by a fan in the furnace can be controlled by the Speed of the fan Variation in the pitch of fan blades All of these Damper Speed of the fan Variation in the pitch of fan blades All of these Damper ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The electric furnace in which heat is produced by a combination of induced current and skin effect is called __________ furnace. Low frequency induction Arc Resistance High frequency induction Low frequency induction Arc Resistance High frequency induction ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The function of an economiser in a boiler is to preheat the Feedwater Pulverised coal Furnace oil Combustion air Feedwater Pulverised coal Furnace oil Combustion air ANSWER DOWNLOAD EXAMIANS APP
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