Furnace Technology In order to maintain an oxidising atmosphere in a furnace, it should have More of excess air More of CO₂ in flue gas More of CO in flue gas Less of excess air More of excess air More of CO₂ in flue gas More of CO in flue gas Less of excess air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Forced recirculation of furnace gases is practised In furnaces, operating below 750°C To ensure uniform temperature To increase heat transfer by convection All of these In furnaces, operating below 750°C To ensure uniform temperature To increase heat transfer by convection All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain a reducing atmosphere in a furnace, it should have High excess air CO in flue gas No O₂ in flue gas None of these High excess air CO in flue gas No O₂ in flue gas None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is the most important deterrants to an extended use of pulverised coal in boiler firing? Higher power consumption in its transportation Ash disposal problem Excessive fly ash discharge from the stack Erosion of induced draft fan blades Higher power consumption in its transportation Ash disposal problem Excessive fly ash discharge from the stack Erosion of induced draft fan blades ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The main function of a muffle in the muffle furnace is to Smooth out temperature inequalities on the combustion side of the muffle wall Protect the charge from the effects of the products of combustion Neither A nor B Both A & B Smooth out temperature inequalities on the combustion side of the muffle wall Protect the charge from the effects of the products of combustion Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The advantages of firing pulverised coal in the furnace lies in the fact that, it 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 Accelerates the burning rate and economises on fuel consumption Permits the use of low fusion point ash coal All of these ANSWER DOWNLOAD EXAMIANS APP
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