Fuels and Combustion Washing of coal decreases its Mineral matter content Both B and C Ash content Caking index Mineral matter content Both B and C Ash content Caking index ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of coal blend used for blast furnace coke making is about 36 8 22 12 36 8 22 12 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of preheated air for combustion of fuel in the furnace, increases the Calorific value of the fuel Scale losses of the furnace stock None of these Flame temperature Calorific value of the fuel Scale losses of the furnace stock None of these Flame temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not increased by using preheated combustion air in place of ordinary air at room temperature? Flame temperature achieved Calorific value of the fuel Heat transfer rate to the stock in the furnace Speed of combustion of fuel Flame temperature achieved Calorific value of the fuel Heat transfer rate to the stock in the furnace Speed of combustion of fuel 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 All of these Tar yield is less but free carbon in tar is more Calorific value of coke oven gas is less Coke oven gas yield is more All of these Tar yield is less but free carbon in tar is more ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good coking coal should have high __________ content. Moisture Ash Sulphur & phosphorus None of these Moisture Ash Sulphur & phosphorus None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS