Fuels and Combustion Which of the following fuel gases has the highest calorific value ? Sewage gas Liquefied petroleum gas (LPG) Coal bed methane (CBM) Natural gas Sewage gas Liquefied petroleum gas (LPG) Coal bed methane (CBM) Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Benzene is used For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) As a motor fuel As an explosive As a perfume For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) As a motor fuel As an explosive As a perfume ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Actual flame temperature is always lower than the adiabatic flame temperature, because there is Always loss of heat from the flame No possibility of obtaining complete combustion at high temperature Both A & B Neither A nor B Always loss of heat from the flame No possibility of obtaining complete combustion at high temperature Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher fuel combustion efficiency can not be achieved by Adopting proper fuel firing technique & fuel preparation Supplying correct amount of combustion air Reducing sulphur content in the fuel Preheating of fuel gases & combustion air Adopting proper fuel firing technique & fuel preparation Supplying correct amount of combustion air Reducing sulphur content in the fuel Preheating of fuel gases & combustion air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Function of secondary air in pulverised coal firing is to Ensure efficient burning of coal around the burner Dry the coal Transport the coal to the burner Reduce primary air requirement Ensure efficient burning of coal around the burner Dry the coal Transport the coal to the burner Reduce primary air requirement 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 None of these Benzol Tar Ammonia None of these Benzol Tar Ammonia ANSWER DOWNLOAD EXAMIANS APP
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