Fuels and Combustion The maximum adiabatic flame temperature in air is __________ the maximum flame temperature in pure oxygen. Higher than Lower than Same as Not related to Higher than Lower than Same as Not related to ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good metallurgical coke should have very low Porosity Hardness & strength Fusion point of its ash Sulphur & phosphorous content Porosity Hardness & strength Fusion point of its ash Sulphur & phosphorous content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Efficiency of the combustion of a fuel is judged by the __________ the flue gas. %of CO₂ in % of O₂in Colour of Temperature of %of CO₂ in % of O₂in Colour of Temperature of ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal is most disadvantageous during Combustion of fire slacks on the grates Handling (e.g. when emptying wagons) None of these Its pulverisation (as it requires more power) Combustion of fire slacks on the grates Handling (e.g. when emptying wagons) None of these Its pulverisation (as it requires more power) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main drawback of supplying more excess air in the combustion of fuel is the High exit flue gas temperature from the furnace Excessive power requirement of air blower Enhanced sensible heat loss in the flue gas Intermittant and uncontrolled combustion of the fuel High exit flue gas temperature from the furnace Excessive power requirement of air blower Enhanced sensible heat loss in the flue gas Intermittant and uncontrolled combustion of the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Octane number of 2, 2, 4 - trimethyl pen-tane is More than 100 In between 0 and 100 100 More than 100 In between 0 and 100 100 ANSWER DOWNLOAD EXAMIANS APP
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