Fuels and Combustion Which of the following is not applicable to fluidised bed combustion of coal? It can not burn low grade coal Less heat transfer surface area is required in boilers None of these It achieves higher fuel combustion efficiency It can not burn low grade coal Less heat transfer surface area is required in boilers None of these It achieves higher fuel combustion efficiency ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of stored coal results in the All of these Decrease in its caking power & calorific value Increase in its oxygen content Decrease in its carbon & hydrogen content All of these Decrease in its caking power & calorific value Increase in its oxygen content Decrease in its carbon & hydrogen content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Flue gas from the heating chamber of byproduct coke ovens is removed by Natural draft Induced draft fan Steam ejector Forced draft fan Natural draft Induced draft fan Steam ejector Forced draft fan ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion By-products recovery process from coal carbonisation is termed as direct, indirect and semi direct process depending upon the method of recovery of Ammonia None of these Benzol Tar Ammonia None of these Benzol Tar ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross and net calorific value of a fuel will be the same If its hydrogen/hydrogen compound content is zero Ifits carbon content is very low Under no circumstances If its ash content is zero If its hydrogen/hydrogen compound content is zero Ifits carbon content is very low Under no circumstances If its ash content is zero ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mineral matter content (M) and ash content (A) in coal are approximately related as M = 1.5A M = 1.1A M = 2A M = A M = 1.5A M = 1.1A M = 2A M = A ANSWER DOWNLOAD EXAMIANS APP
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