Furnace Technology The advantages of firing pulverised coal in the furnace lies in the fact that, it Accelerates the burning rate and economises on fuel consumption Permits the use of low fusion point ash coal All of these Permits the use of high ash content coal Accelerates the burning rate and economises on fuel consumption Permits the use of low fusion point ash coal All of these Permits the use of high ash content coal ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not a directly fired furnace? By-product coke oven Sintering furnace Open hearth furnace Calcination kiln By-product coke oven Sintering furnace Open hearth furnace Calcination kiln ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is the most suitable for preheating combustion air above 650°C ? Ceramic recuperator Regenerator Metallic recuperator None of these Ceramic recuperator Regenerator Metallic recuperator None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Metallic recuperators are not used for waste heat recovery, if the hot flue gas temperature is above __________ °C, because corrosion prevails at higher temperatures. 1250 1050 750 350 1250 1050 750 350 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Hearth furnaces are not used for Reheating Melting None of these Roasting Reheating Melting None of these Roasting ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Test specimen for determination of refractoriness under load (RUL) of a refractory is heated in a Furnace employing neutral atmosphere Reducing atmosphere Furnace employing negative pressure Carbon resistance furnace Furnace employing neutral atmosphere Reducing atmosphere Furnace employing negative pressure Carbon resistance furnace ANSWER DOWNLOAD EXAMIANS APP