Fuels and Combustion Bituminous coal Ignites less easily than anthracite Both B and C Burns with smoky yellow flame Is generally coking Ignites less easily than anthracite Both B and C Burns with smoky yellow flame Is generally coking ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not increased by using preheated combustion air in place of ordinary air at room temperature? Speed of combustion of fuel Heat transfer rate to the stock in the furnace Flame temperature achieved Calorific value of the fuel Speed of combustion of fuel Heat transfer rate to the stock in the furnace Flame temperature achieved Calorific value of the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coals used for the generation of producer gas should have 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 Low fusion point of ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Out of the following fuels, the difference between gross and net calorific value will be minimum in case of Coke oven gas Natural gas Water gas Blast furnace gas Coke oven gas Natural gas Water gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel combustion is never cent per cent efficient due to Incomplete combustion All of these Moisture loss Dry gas/stack gas loss Incomplete combustion All of these Moisture loss Dry gas/stack gas loss ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal containing large quantity of __________ are difficult to wash. Ash Free impurities Volatile matter Inherent mineral matter Ash Free impurities Volatile matter Inherent mineral matter ANSWER DOWNLOAD EXAMIANS APP
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