Fuels and Combustion Calorific value of bituminous coal may be around __________ Kcal/kg. 20000 6500 1500 500 20000 6500 1500 500 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
Fuels and Combustion The lowest temperature, at which a solid fuel produces enough vapors to support continuous combustion, is called Fire point Burning temperature Smoke point Kindling temperature Fire point Burning temperature Smoke point Kindling temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal containing very high percentage of durain is called __________ coal. Boghead Bright Non-banded Splint Boghead Bright Non-banded Splint ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Incomplete combustion of a fuel is characterised by the high __________ in the flue gas. Oxygen Smoke Carbon monoxide Temperature Oxygen Smoke Carbon monoxide Temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The optimum percentage of excess air for combustion depends upon the __________ of the fuel. Calorific value Type (solid, liquid or gaseous) Ignition temperature Sulphur content Calorific value Type (solid, liquid or gaseous) Ignition temperature Sulphur content ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS