Furnace Technology Which of the following is the most suitable for preheating combustion air above 650°C ? None of these Metallic recuperator Ceramic recuperator Regenerator None of these Metallic recuperator Ceramic recuperator Regenerator ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not an additive for flue gases from furnace to reduce its dew-point? Fine dolomite None of these Alkaline powders Ammonia Fine dolomite None of these Alkaline powders Ammonia ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The purpose of controlling the furnace atmosphere is to prevent surface attack by Decarburising Sulphur penetration Either of the above Oxidation/scaling Decarburising Sulphur penetration Either of the above Oxidation/scaling ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ostwald charts are meant for None of these Computing the excess/deficiency of combustion air Computation of flue gas analysis Calculation of flue gas temperature None of these Computing the excess/deficiency of combustion air Computation of flue gas analysis Calculation of flue gas temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Power required in case of forced draught as compared to induced draught (for the same draught produced) is Either more or less; depends on the flue gas density Answer: Option B Same More Less Either more or less; depends on the flue gas density Answer: Option B Same More Less ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An example of shaft furnace is the L.D. converter Blast furnace Glass melting tank Soaking pit L.D. converter Blast furnace Glass melting tank Soaking pit ANSWER DOWNLOAD EXAMIANS APP