Fuels and Combustion The cuprous chloride used in orsat apparatus can absorb All of these Both CO and O₂ Both CO and CO₂ Only CO All of these Both CO and O₂ Both CO and CO₂ Only CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value as determined by bomb calorimeter is the Gross calorific value at constant pressure Higher calorific value at constant volume Net calorific value at constant volume Lower calorific value at constant pressure Gross calorific value at constant pressure Higher calorific value at constant volume Net calorific value at constant volume Lower calorific value at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature in air as compared to that in pure oxygen is Same Much higher Much lower Either lower or higher, depends on the type of fuel Same Much higher Much lower Either lower or higher, depends on the type of fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Nitrogen in coal All of these Comes from protein in parent vegetable matter Is recovered as ammonia during its carbonisation Is present upto 1-2% All of these Comes from protein in parent vegetable matter Is recovered as ammonia during its carbonisation Is present upto 1-2% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Froth floatation is used for All of these Washing fine coal dust (< 0.5 mm size) Washing lump coal (> 80 mm size) Removing ash from the coal based on difference in specific gravity of coal and ash All of these Washing fine coal dust (< 0.5 mm size) Washing lump coal (> 80 mm size) Removing ash from the coal based on difference in specific gravity of coal and ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases will require maximum amount of air for combustion of 1 Nm³ gas ? Producer gas Natural gas Blast furnace gas Water gas Producer gas Natural gas Blast furnace gas Water gas ANSWER DOWNLOAD EXAMIANS APP
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