Fuels and Combustion A sooty flame can be made non-luminous by Admitting more air Shutting air supply Admitting more gas Shutting gas supply Admitting more air Shutting air supply Admitting more gas Shutting gas supply ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hardgrove grindability index of four coal samples are given below. Which of them is the easiest to grind? 100 70 85 50 100 70 85 50 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is pulverised before burning in large capacity boiler furnaces mainly to Ensure its complete combustion Enhance its calorific value Provide trouble free operation Facilitate easy ash removal Ensure its complete combustion Enhance its calorific value Provide trouble free operation Facilitate easy ash removal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As time passes, the calorific value of stored coal Remains unaltered Decreases Increases May increase or decrease (depends on the method of storage) Remains unaltered Decreases Increases May increase or decrease (depends on the method of storage) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum percentage of CO₂ in a flue gas (from a carbonaceous fuel) can be 21 79 77 29 21 79 77 29 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Natural draft created by the chimney depends upon Temperature of the flue gas Neither A nor B Its height Both A & B Temperature of the flue gas Neither A nor B Its height Both A & B ANSWER DOWNLOAD EXAMIANS APP