Fuels and Combustion Spontaneous combustion of coal on storage results due to All of these Storage in large heaps with small surface to volume ratio Inadequate ventilation Low temperature oxidation All of these Storage in large heaps with small surface to volume ratio Inadequate ventilation Low temperature oxidation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Orsat apparatus All of these Can Determines Nā in flue gas indirectly Gives flue gas analysis on dry basis All of these Can Determines Nā in flue gas indirectly Gives flue gas analysis on dry basis ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal with high ash content 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 Has higher calorific value Is not subjected to washing ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The ratio of % total carbon obtained in the ultimate analysis of coke and % fixed carbon obtained in the proximate analysis is always Unpredictable 1 > 1 < 1 Unpredictable 1 > 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Emission of dense white smoke out of the chimney of a thermal power plant is an indication of the use of Less air for combustion Too much air for combustion Pulverised coal in boilers Correct amount of air for combustion Less air for combustion Too much air for combustion Pulverised coal in boilers Correct amount of air for combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volatile matter content in coking coal may be about __________ percent. 1 7 22 46 1 7 22 46 ANSWER DOWNLOAD EXAMIANS APP