Fuels and Combustion Low temperature oxidation of coal during storage does not decrease its Caking power None of these Oxygen content Calorific value Caking power None of these Oxygen content Calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good quality coal should have High sulphur None of these Low fusion point of ash High ash content High sulphur None of these Low fusion point of ash High ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in calorific value of fuels, their adiabatic flame temperatures May increase or decrease ; depends on the quantity of products of combustion Decrease Remain unchanged Increase May increase or decrease ; depends on the quantity of products of combustion Decrease Remain unchanged Increase ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion (64-132) rank coal (ASTM) means a coal with 64% None of these Fixed carbon and having a heat value of 13, 200 BTU/1b Fixed carbon and a heating value of 132 BTU/1b Ash and a heating value of 13, 200 BTU/1b None of these Fixed carbon and having a heat value of 13, 200 BTU/1b Fixed carbon and a heating value of 132 BTU/1b Ash and a heating value of 13, 200 BTU/1b ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal with high ash content Has higher calorific value Is not subjected to washing Has low quantity of mineral matter Is harder and stronger Has higher calorific value Is not subjected to washing Has low quantity of mineral matter Is harder and stronger ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal containing large quantity of __________ are difficult to wash. Free impurities Ash Volatile matter Inherent mineral matter Free impurities Ash Volatile matter Inherent mineral matter ANSWER DOWNLOAD EXAMIANS APP