Fuels and Combustion Mineral matter, 'M' and ash percentage 'A' in coal are roughly related as M = A M = 1.8 A M = 0.5 A M = 1.1 A M = A M = 1.8 A M = 0.5 A M = 1.1 A ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The internal energy of the combustion products is __________ compared to that of reactants. Less More Equal More or less ; (depends on the state of fuel.) Less More Equal More or less ; (depends on the state of fuel.) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of force moisture in coal is most disadvantageous during its Storage Washing Pulverisation Transportation and handling Storage Washing Pulverisation Transportation and handling ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Prime coking coal is always blended with medium or non- coking coal before ear-bonisation Because, it alone produces unreactive coke Neither A nor B Both A & B To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Because, it alone produces unreactive coke Neither A nor B Both A & B To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature is attained, when the fuel is burnt with More than theoretically required amount of air Theoretically required amount of oxygen Less than theoretically required amount of air Theoretically required amount of air More than theoretically required amount of air Theoretically required amount of oxygen Less than theoretically required amount of air Theoretically required amount of air 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. 5 to 15 3 to 4 20 to 40 1 to 2 5 to 15 3 to 4 20 to 40 1 to 2 ANSWER DOWNLOAD EXAMIANS APP
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