Fuels and Combustion Stack heat losses can be minimised by Oxygen enrichment of combustion air Using low c.v. fuels Controlling the excess air Maintaining proper draft in the furnace Oxygen enrichment of combustion air Using low c.v. fuels Controlling the excess air Maintaining proper draft in the furnace ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal All of these Controls its ash fusibility and increases its calorific value Reduces its sulphur and ash content Improves its coking properties All of these Controls its ash fusibility and increases its calorific value Reduces its sulphur and ash content Improves its coking properties ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituents of purified Lurgi gas are CO, H₂ & CH₄ H₂, CmHn & CO₂ CO₂, O₂ & CO N₂, H₂ & CO₂ CO, H₂ & CH₄ H₂, CmHn & CO₂ CO₂, O₂ & CO N₂, H₂ & CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal resulting from bad storage conditions does not decrease its Hydrogen content Oxygen content Caking power Calorific value Hydrogen content Oxygen content Caking power Calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stack (chimney) height in a big thermal power plant is dictated by the Pollution control aspect Draught to be created None of these Limitation of constructional facilities Pollution control aspect Draught to be created None of these Limitation of constructional facilities ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Oxygen content in a flue gas was found to be 4%. It implies that excess air used for combustion was around __________ percent. 20 96 40 4 20 96 40 4 ANSWER DOWNLOAD EXAMIANS APP