Fuels and Combustion Presence of free moisture in coal is most disadvantageous during Its pulverisation (as it requires more power) None of these Handling (e.g. when emptying wagons) Combustion of fire slacks on the grates Its pulverisation (as it requires more power) None of these Handling (e.g. when emptying wagons) Combustion of fire slacks on the grates ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Incomplete combustion of a fuel is characterised by the high __________ in the flue gas. Temperature Oxygen Carbon monoxide Smoke Temperature Oxygen Carbon monoxide Smoke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mineral matter content (M) and ash content (A) in coal are approximately related as M = A M = 1.1A M = 1.5A M = 2A M = A M = 1.1A M = 1.5A M = 2A ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A certain thickness of the coal, if stored unscientifically on soft (katcha) ground having no metallic/concrete flooring gets sunked into the ground, which is termed as the 'carpet loss'. The carpet loss may be of the order of __________ cms. 3 to 4 1 to 2 20 to 40 5 to 15 3 to 4 1 to 2 20 to 40 5 to 15 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Natural draft created by the chimney depends upon Its height Both A & B Neither A nor B Temperature of the flue gas Its height Both A & B Neither A nor B Temperature of the flue gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Soft coke is not A domestic fuel None of these Used in blast furnaces Produced by low temperature carbonisation of coal A domestic fuel None of these Used in blast furnaces Produced by low temperature carbonisation of coal ANSWER DOWNLOAD EXAMIANS APP