Fuels and Combustion For long flame and easy ignition, the coal used should have High volatile matter High calorific value High ash Low ash High volatile matter High calorific value High ash Low ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Actual flame temperature is always lower than the adiabatic flame temperature, because there is Both A & B Neither A nor B No possibility of obtaining complete combustion at high temperature Always loss of heat from the flame Both A & B Neither A nor B No possibility of obtaining complete combustion at high temperature Always loss of heat from the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal tar fuels (CTF) as compared to petroleum based fuel oils have higher Difference in gross & net calorific value Sulphur content Higher C/H ratio Calorific value Difference in gross & net calorific value Sulphur content Higher C/H ratio Calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following accounts for maximum energy loss in a boiler? Unburnt carbon in flue gases Incomplete combustion Flue gases Ash content in the fuel Unburnt carbon in flue gases Incomplete combustion Flue gases Ash content in the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A travelling grate stoker is meant for the efficient burning of __________ coal. Non-caking Caking High ash Pulverised Non-caking Caking High ash Pulverised ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volumetric ratio of Nā to Oā in dry atmospheric air is 4.76 0.79 0.21 3.76 4.76 0.79 0.21 3.76 ANSWER DOWNLOAD EXAMIANS APP
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