Furnace Technology The thermal efficiency of an air/fuel gas preheating recuperator may be as high as __________ percent. 65 85 50 99 65 85 50 99 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is the most suitable for preheating combustion air above 650°C ? Regenerator None of these Metallic recuperator Ceramic recuperator Regenerator None of these Metallic recuperator Ceramic recuperator ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C. 1000 850 650 250 1000 850 650 250 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not an additive for flue gases from furnace to reduce its dew-point? Ammonia Alkaline powders None of these Fine dolomite Ammonia Alkaline powders None of these Fine dolomite ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heating capacity of continuous reheating furnace depends upon the Hearth area and furnace temperature Ratio of wall surface to stock surface Emissivity of the stock All of these Hearth area and furnace temperature Ratio of wall surface to stock surface Emissivity of the stock All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology If fuel and air are mixed ahead of the burner, it is called a/an __________ burner. Outside mixing type Premix Rotary Diffusion Outside mixing type Premix Rotary Diffusion ANSWER DOWNLOAD EXAMIANS APP
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