Furnace Technology Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent. 65-70 44119 25-30 45-50 65-70 44119 25-30 45-50 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The method of Lobo and Evans is concerned with the calculation of the Heat transfer by forced convection in a reboiler Mass transfer co-efficient Heat transfer in vacuum condensers Heat absorption in radiant section of a furnace Heat transfer by forced convection in a reboiler Mass transfer co-efficient Heat transfer in vacuum condensers Heat absorption in radiant section of a furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The purpose of controlling the furnace atmosphere is to prevent surface attack by Oxidation/scaling Decarburising Sulphur penetration Either of the above Oxidation/scaling Decarburising Sulphur penetration Either of the above ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology __________ furnace is not an electric furnace. Arc Resistance Induction Pot Arc Resistance Induction Pot 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
Furnace Technology Forced recirculation of furnace gases is practised To increase heat transfer by convection To ensure uniform temperature In furnaces, operating below 750°C All of these To increase heat transfer by convection To ensure uniform temperature In furnaces, operating below 750°C All of these ANSWER DOWNLOAD EXAMIANS APP