Fuels and Combustion Bituminous coal Is generally coking Burns with smoky yellow flame Both B and C Ignites less easily than anthracite Is generally coking Burns with smoky yellow flame Both B and C Ignites less easily than anthracite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest heat of combustion? CO H₂ CH₄ C₂H₆ CO H₂ CH₄ C₂H₆ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bulk density of pulverised coal may be about __________ kg/m³. 500 100 1500 1000 500 100 1500 1000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher percentage of ash in coal meant for the production of metallurgical grade coke Causes brittleness in steel None of these Decreases the hardness of coke Decreases the abrasion resistance of coke Causes brittleness in steel None of these Decreases the hardness of coke Decreases the abrasion resistance of coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bomb calorimeter can be used to determine the __________ of the coal. Calorific value Sulphur content Both A & B Neither A nor B Calorific value Sulphur content Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal compared to the lumpy coal All of these Provides better control of furnace temperature Facilitates combustion with lower excess air Provides higher thermal efficiency & flame temperature All of these Provides better control of furnace temperature Facilitates combustion with lower excess air Provides higher thermal efficiency & flame temperature ANSWER DOWNLOAD EXAMIANS APP
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