Fuels and Combustion Volumetric ratio of N₂ to O₂ in dry atmospheric air is 0.21 3.76 4.76 0.79 0.21 3.76 4.76 0.79 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is pulverised before burning in large capacity boiler furnaces mainly to Provide trouble free operation Ensure its complete combustion Facilitate easy ash removal Enhance its calorific value Provide trouble free operation Ensure its complete combustion Facilitate easy ash removal Enhance its calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Net calorific value is the gross calorific value less the __________ heat of water in the product of combustion when cooled to 15°C. None of these Sensible Sensible and latent Latent None of these Sensible Sensible and latent Latent ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal Calorific value of coke oven gas is less Coke oven gas yield is more Tar yield is less but free carbon in tar is more All of these Calorific value of coke oven gas is less Coke oven gas yield is more Tar yield is less but free carbon in tar is more All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Safe condition for storage of high V.M. bituminous coal is that Both A and B Height of the coal heap should be < 3 metres Neither A nor B Maximum 200 tons should be stored in a heap Both A and B Height of the coal heap should be < 3 metres Neither A nor B Maximum 200 tons should be stored in a heap ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Artificial draught produced by a fan can be controlled by the Speed of the fan Variation in the pitch of the fan blades Damper All of these Speed of the fan Variation in the pitch of the fan blades Damper All of these ANSWER DOWNLOAD EXAMIANS APP