Fuels and Combustion The hottest part of the flame lies in its____zone. Unburnt gases Yellow Luminous Non-luminous Unburnt gases Yellow Luminous Non-luminous ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in moisture content of coal, its Calorific value increases sometimes None of these Bulk density always decreases Clinkering tendency during combustion increases Calorific value increases sometimes None of these Bulk density always decreases Clinkering tendency during combustion increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During its calorific value determination by bomb calorimeter, coal is combusted by Oxygen enriched air Oxygen None of these Air Oxygen enriched air Oxygen None of these Air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For the case of a fuel gas undergoing combustion with air, if the air/fuel ratio is increased, the adiabatic flame temperature will Not change Increase Increase or decrease depending on the fuel type Decrease Not change Increase Increase or decrease depending on the fuel type Decrease ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal is done to reduce the Inherent impurities Adhering impurities Mineral matter Both B and C Inherent impurities Adhering impurities Mineral matter Both B and C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal that softens and fuses on heating is Classified Carbonised Caking Non-caking Classified Carbonised Caking Non-caking ANSWER DOWNLOAD EXAMIANS APP