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 Resistance High frequency induction Arc Low frequency induction Resistance High frequency induction Arc ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turndown ratio of a burner gives an idea of the __________ in the furnace. Range of fuel firing rates Volume of the combustion chamber Minimum heat input rate only Maximum heat input rate only Range of fuel firing rates Volume of the combustion chamber Minimum heat input rate only Maximum heat input rate only ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Forced recirculation of furnace gases is practised 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 To increase heat transfer by convection ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Low stack loss indicates the Oxygen enrichment of combustion air Inefficient use of fuel Efficient use of fuel Use of sub-stoichiometric air for combustion Oxygen enrichment of combustion air Inefficient use of fuel Efficient use of fuel Use of sub-stoichiometric air for combustion ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Reverberatory furnace is used for Steel melting Annealing steel coil Heating air Roasting/reduction of ores Steel melting Annealing steel coil Heating air Roasting/reduction of ores ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Very high pressure boilers are usually __________ boilers. Natural circulation Water tube Waste heat Fire tube Natural circulation Water tube Waste heat Fire tube ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS