Fuels and Combustion The advantage of firing pulverised coal in the furnace lies in the fact, that it All of these Permits the use of low fusion point ash coal Permits the use of high ash content coal Accelerates the burning rate and economises on fuel combustion All of these Permits the use of low fusion point ash coal Permits the use of high ash content coal Accelerates the burning rate and economises on fuel combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Heat penetration rate in narrow coke ovens in high temperature carbonisation of coal is around __________ cm/hr. 10 2.5 20 0.5 10 2.5 20 0.5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dust content in raw blast furnace gas is about __________ gm/Nm³ , hence it is cleaned to the dust level of about < 10 mg /Nm³ before use. 43832 70-100 15-30 150-200 43832 70-100 15-30 150-200 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good coking coal should have high __________ content. Moisture None of these Sulphur & phosphorus Ash Moisture None of these Sulphur & phosphorus Ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tolerable concentration of toxic carbon monoxide in atmospheric air is about __________ PPm. 10000 1000 5000 50 10000 1000 5000 50 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Water gas constitutes mainly of CH₄ & H₂ CO₂ & H₂ CO & N₂ CO & H₂ CH₄ & H₂ CO₂ & H₂ CO & N₂ CO & H₂ ANSWER DOWNLOAD EXAMIANS APP
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