Fuels and Combustion A coal with high ash content Is harder and stronger 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 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sulphur in metallurgical coal Contributes to its heating value Both A and B Neither A nor B Affects the quality of steel produced as cracks develop on the surface while rolling the steel Contributes to its heating value Both A and B Neither A nor B Affects the quality of steel produced as cracks develop on the surface while rolling the steel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal containing large quantity of __________ are difficult to wash. Volatile matter Free impurities Ash Inherent mineral matter Volatile matter Free impurities Ash Inherent mineral matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm³ ), while the C.V. is same on weight basis (i.e., kcal/kg) ? F. gas and coke oven gas Sewage gas and gobar gas Propane and acetylene Propane and LPG F. gas and coke oven gas Sewage gas and gobar gas Propane and acetylene Propane and LPG ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As the equilibrium moisture content of the coal increases, its Calorific value increases Swelling number decreases Swelling number increases Bulk density decreases Calorific value increases Swelling number decreases Swelling number increases Bulk density decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is used for making the explosive 'TNT'? Benzol Cerosote Pyridine Toluene Benzol Cerosote Pyridine Toluene ANSWER DOWNLOAD EXAMIANS APP