Fuels and Combustion Coals used for the generation of producer gas should have Low fusion point of ash Very low ash content (8-10%) High caking index High volatile matter content Low fusion point of ash Very low ash content (8-10%) High caking index High volatile matter content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following accounts for maximum energy loss in a boiler? Ash content in the fuel Unburnt carbon in flue gases Incomplete combustion Flue gases Ash content in the fuel Unburnt carbon in flue gases Incomplete combustion Flue gases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal tar fuel - 200 (CTF 200) is a mixture of Light oil and pitch Anthracene and crecosote oil Solar oil and pitch Pitch and creosote oil Light oil and pitch Anthracene and crecosote oil Solar oil and pitch Pitch and creosote oil ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher percentage of ash in coal meant for the production of metallurgical grade coke Decreases the hardness of coke None of these Decreases the abrasion resistance of coke Causes brittleness in steel Decreases the hardness of coke None of these Decreases the abrasion resistance of coke Causes brittleness in steel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Narrow coke ovens as compared to wider coke ovens Produce stronger coke Produce smaller coke Require less time of carbonisation All of these Produce stronger coke Produce smaller coke Require less time of carbonisation All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following constituents of coal is the most important in the production of coke? Volatiles Carbon Ash Moisture Volatiles Carbon Ash Moisture ANSWER DOWNLOAD EXAMIANS APP
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