Fuels and Combustion Pulverised coal used in boiler firing need not have High fusion point of its ash High bulk density Less moisture content Lower ash content High fusion point of its ash High bulk density Less moisture content Lower ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Anthracite can be used for Recarbonising steel Blending with highly coking coal to check its swelling which helps in saving coke even walls from damage and to produce high strength coke All of these Making carbon electrodes Recarbonising steel Blending with highly coking coal to check its swelling which helps in saving coke even walls from damage and to produce high strength coke All of these Making carbon electrodes ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Shatter index of metallurgical coke on 2 inches and 0.5 inch screen should be respectively around __________ percent. 95 and 100 80 and 97 40 and 70 25 and 97 95 and 100 80 and 97 40 and 70 25 and 97 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dry air requirement for burning 1 Nm³ of CO to CO₂ may be around __________ Nm³. 1.75 2.4 11.4 0.87 1.75 2.4 11.4 0.87 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher efficiency in the combustion of solid fuel can not be achieved by Supplying correct quantity of combustion air Proper fuel preparation Keeping the flue gas exhaust temperature very high Adopting efficient-fuel firing technique & equipment Supplying correct quantity of combustion air Proper fuel preparation Keeping the flue gas exhaust temperature very high Adopting efficient-fuel firing technique & equipment ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal tar (produced by high temperature carbonisation) is the main source of Olefins Alphatic compounds Paraffins Aromatic compounds Olefins Alphatic compounds Paraffins Aromatic compounds ANSWER DOWNLOAD EXAMIANS APP