Fuels and Combustion A good metallurgical coke Should have low fusion point of its ash Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should be brittle Should have high porosity Should have low fusion point of its ash Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should be brittle Should have high porosity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal resulting from bad storage conditions does not decrease its Calorific value Caking power Hydrogen content Oxygen content Calorific value Caking power Hydrogen content Oxygen content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion L.D. converter gas (produced in steel plant) comprises mainly of CO₂ & O₂ CO (upto 65%) & CO₂ CO₂ & H₂ CO & O₂ CO₂ & O₂ CO (upto 65%) & CO₂ CO₂ & H₂ CO & O₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Short/intense flame is produced during combustion of gaseous fuel by using High amount/current of combustion air Very little excess air Low amount/current of combustion air Preheated secondary air High amount/current of combustion air Very little excess air Low amount/current of combustion air Preheated secondary air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not used as a binder in coal briquetting? Pitch Tar Molasses Line Pitch Tar Molasses Line ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion (64-132) rank coal (ASTM) means a coal with 64% Ash and a heating value of 13, 200 BTU/1b Fixed carbon and a heating value of 132 BTU/1b Fixed carbon and having a heat value of 13, 200 BTU/1b None of these Ash and a heating value of 13, 200 BTU/1b Fixed carbon and a heating value of 132 BTU/1b Fixed carbon and having a heat value of 13, 200 BTU/1b None of these ANSWER DOWNLOAD EXAMIANS APP