Fuels and Combustion The ratio of maximum adiabatic flame temperature in air to that in pure oxygen is always > 1 Unpredicatable 1 > 1 Unpredicatable 1 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The pyragallol solution used in orsat apparatus can absorb All of these Both O₂ and CO₂ Only O₂ Both O₂ and CO All of these Both O₂ and CO₂ Only O₂ Both O₂ and CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coking of coal, the ash content (percentage) Increases Decreases None of these Remains constant Increases Decreases None of these Remains constant ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Actual flame temperature is always lower than the adiabatic flame temperature, because there is Neither A nor B No possibility of obtaining complete combustion at high temperature Both A & B Always loss of heat from the flame Neither A nor B No possibility of obtaining complete combustion at high temperature Both A & B Always loss of heat from the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Highly reactive coke have lower Coke reactivity index (CRI) Critical air blast (CAB) value Porosity Both B and C Coke reactivity index (CRI) Critical air blast (CAB) value Porosity Both B and C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mott and Wheeler test is conducted on coke to find its Reactivity with O₂ Volatile matter content Abradability Phosphorus content Reactivity with O₂ Volatile matter content Abradability Phosphorus content ANSWER DOWNLOAD EXAMIANS APP