Fuels and Combustion A coal with high __________ content, would ignite most easily. Fixed carbon Volatile matter Oxygen Ash Fixed carbon Volatile matter Oxygen Ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is heated in absence of air for 7 minutes at a temperature of about __________ °C, during its volatile matter determination for proximate analysis. 550 750 1150 950 550 750 1150 950 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of a gaseous fuel, the presence of a non-luminous flame is an indication of the None of these Complete combustion Incomplete combustion High oxygen in flue gas None of these Complete combustion Incomplete combustion High oxygen in flue gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following accounts for maximum energy loss in a boiler? Flue gases Ash content in the fuel Incomplete combustion Unburnt carbon in flue gases Flue gases Ash content in the fuel Incomplete combustion Unburnt carbon in flue gases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not applicable to fluidised bed combustion of coal? Less heat transfer surface area is required in boilers It achieves higher fuel combustion efficiency None of these It can not burn low grade coal Less heat transfer surface area is required in boilers It achieves higher fuel combustion efficiency None of these It can not burn low grade coal 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 70-100 150-200 15-30 43832 70-100 150-200 15-30 ANSWER DOWNLOAD EXAMIANS APP
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