Furnace Technology Waste heat from the outgoing flue gases in a thermal power plant is recovered by a/an Steam superheater Economiser Air preheater All of these Steam superheater Economiser Air preheater All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Out of the following fuels used in a furnace exhausting flue gas at a temperature of 600°C, the percentage stack loss will be maximum in case of complete combustion of Blast furnace gas with oxygen Furnace oil with oxygen Furnace oil with air Blast furnace gas with air Blast furnace gas with oxygen Furnace oil with oxygen Furnace oil with air Blast furnace gas with air ANSWER DOWNLOAD EXAMIANS APP
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 high ash content coal Permits the use of low fusion point ash coal All of these Accelerates the burning rate and economises on fuel consumption Permits the use of high ash content coal Permits the use of low fusion point ash coal All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heating capacity of muffle furnace depends on the Neither A nor B Properties of the muffle wall (temperature, area, emissivity) Surface area & emissivity of the stock Both A & B Neither A nor B Properties of the muffle wall (temperature, area, emissivity) Surface area & emissivity of the stock Both A & B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology While the fuel fired furnace can be used upto a maximum temperature of about 1700°C, the electric furnace can be used upto a temperature of about __________ °C. 6000 3000 2000 4500 6000 3000 2000 4500 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In practical operation of any furnace, zero oxygen percentage or theoretical CO₂ percentage in flue gas is rarely achieved, because of Imperfect mixing of fuel & air and infiltration of air Use of excessive positive draft in the furnace Use of non-preheated combustion air Use of pulverised solid fuels Imperfect mixing of fuel & air and infiltration of air Use of excessive positive draft in the furnace Use of non-preheated combustion air Use of pulverised solid fuels ANSWER DOWNLOAD EXAMIANS APP
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