Fuels and Combustion Use of pulverised coal in boiler furnace provides Less erosion on furnace walls Smokeless burning Better combustion High calorific value Less erosion on furnace walls Smokeless burning Better combustion High calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Shatter index of the coke is a measure of its Strength Reactivity Bulk density None of these Strength Reactivity Bulk density None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion About __________ Nm³ of air will be required for the complete combustion of 2Nm³ of CO. 3 2 1 5 3 2 1 5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Incomplete combustion of fuel in the furnace is judged by high __________ of the flue gases. CO₂ content O₂ content CO content Dew point CO₂ content O₂ content CO content Dew point ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has Higher calorific value Lower hydrogen content Both A & B Neither A nor B Higher calorific value Lower hydrogen content Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Explosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is __________ percent. In between 37 & 71% >71% < 37% None of these In between 37 & 71% >71% < 37% None of these ANSWER DOWNLOAD EXAMIANS APP