Furnace Technology Which of the following is the most suitable for preheating combustion air above 650°C ? None of these Ceramic recuperator Metallic recuperator Regenerator None of these Ceramic recuperator Metallic recuperator Regenerator 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. High frequency induction Resistance Low frequency induction Arc High frequency induction Resistance Low frequency induction Arc ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In which of the waste heat recovery equipment, the flow of flue gas and air is alternately reversed after a fixed interval of time? Regenerator None of these Waste heat boiler Recuperator Regenerator None of these Waste heat boiler Recuperator ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The purpose of controlling the furnace atmosphere is to prevent surface attack by Oxidation/scaling Decarburising Either of the above Sulphur penetration Oxidation/scaling Decarburising Either of the above Sulphur penetration ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel used in B.F. stove is Blast furnace gas/mixed gas Furnace oil Pulverised coal Coke oven gas Blast furnace gas/mixed gas Furnace oil Pulverised coal Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Temperature of a furnace fired with low calorific value fuel gas (i.e. lean gas) can be increased by Oxygen enrichment of combustion air Preheating the fuel gas All of these Preheating the combustion air Oxygen enrichment of combustion air Preheating the fuel gas All of these Preheating the combustion air ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS