Furnace Technology Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C. 650 1000 250 850 650 1000 250 850 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An electric furnace producing heat by means of an electric arc struck between each of three electrodes and the charge is called __________ furnace. Resistance Arc Low frequency induction None of these Resistance Arc Low frequency induction None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Blast furnace stoves are meant for heating Blast furnace gas Steam None of these Air Blast furnace gas Steam None of these Air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace operation, which is not preheated? Solid fuels Neither A nor B Both A and B Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Solid fuels Neither A nor B Both A and B Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Size of the combustion chamber of a furnace depends upon the Heat release rate of the fuel All of these Method of mixing the fuel & air Preheat temperature of fuel & air Heat release rate of the fuel All of these Method of mixing the fuel & air Preheat temperature of fuel & air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The purpose of controlling the furnace atmosphere is to prevent surface attack by Either of the above Oxidation/scaling Sulphur penetration Decarburising Either of the above Oxidation/scaling Sulphur penetration Decarburising ANSWER DOWNLOAD EXAMIANS APP