Fuels and Combustion Oxygen percentage (by weight) in atmospheric air is 19 21 29 23 19 21 29 23 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good coking coal should have high __________ content. Moisture None of these Ash Sulphur & phosphorus Moisture None of these Ash Sulphur & phosphorus ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Undercharging of coal in the by-product coke ovens results in No change in the c.v. of coke oven gas Increase in the c.v. of coke oven gas Decrease in the c.v. of coke oven gas Increase in its throughput No change in the c.v. of coke oven gas Increase in the c.v. of coke oven gas Decrease in the c.v. of coke oven gas Increase in its throughput ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Initial pressure of oxygen introduced into the 'bomb' of the bomb calorimeter for determination of calorific value of coal/fuel oil may be around __________ atm. 25-30 3-5 60-65 95-100 25-30 3-5 60-65 95-100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good metallurgical coke should have very low Porosity Fusion point of its ash Sulphur & phosphorous content Hardness & strength Porosity Fusion point of its ash Sulphur & phosphorous content Hardness & strength ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal does not reduce its S & P content Heating value None of these Fusion point of ash S & P content Heating value None of these Fusion point of ash ANSWER DOWNLOAD EXAMIANS APP