Fuels and Combustion With increase in calorific value of fuels, their adiabatic flame temperatures Increase Remain unchanged Decrease May increase or decrease ; depends on the quantity of products of combustion Increase Remain unchanged Decrease May increase or decrease ; depends on the quantity of products of combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In flue gas analysis by Orsat's apparatus, carbon monoxide is absorbed by Potassium hydroxide None of these Cuprous chloride Alkaline pyrogallol solution Potassium hydroxide None of these Cuprous chloride Alkaline pyrogallol solution ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of gobar gas (containing CH₄ = 60% , H₂ = 10% ; CO₂ = 30%) may be about __________ Kcal/Nm³. 1800 10200 5400 3200 1800 10200 5400 3200 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is coking? Fussain Vitrain Neither A nor B Both A & B Fussain Vitrain Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion When the coal is heated in absence of air, it is called its Coalification Deoxidation Gasification Carbonisation Coalification Deoxidation Gasification Carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has Both A & B Neither A nor B Lower hydrogen content Higher calorific value Both A & B Neither A nor B Lower hydrogen content Higher calorific value ANSWER DOWNLOAD EXAMIANS APP