Quantity of coke produced from metallurgical coal may be around __________ percent. 50 30 95 75 TRUE ANSWER : ? YOUR ANSWER : ?
If CO₂ is not fully absorbed by the KOH solution meant for its absorption in the orsat apparatus, it will appear as N₂ SO₂ CO O₂ TRUE ANSWER : ? YOUR ANSWER : ?
As the C/H ratio of the fuel increases, the amount of CO₂ formed on combustion __________ for the same percentage of excess air. Increases Decreases May increase or decrease depending on the type of fuel Remains same TRUE ANSWER : ? YOUR ANSWER : ?
Tolerable concentration of toxic carbon monoxide in atmospheric air is about __________ PPm. 1000 10000 50 5000 TRUE ANSWER : ? YOUR ANSWER : ?
Purity of coke means that, it is high in carbon and low in Volatiles Moisture Iron Ash TRUE ANSWER : ? YOUR ANSWER : ?
A fuel with high heat release rate will Have high adiabatic flame temperature Have high calorific value Require smaller combustion chamber None of these TRUE ANSWER : ? YOUR ANSWER : ?
Method of maintaining fires in furnace during standby periods without undue consumption of fuel is called Under pressurising Back draughting Banking None of these TRUE ANSWER : ? YOUR ANSWER : ?
The calorific value is the highest out of the following for Producer gas Water gas Blast furnace gas Coke oven gas TRUE ANSWER : ? YOUR ANSWER : ?
Overfire burning in a furnace is a phenomenon characterised by the None of these Supply of excess fuel Supply of excess air Burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air TRUE ANSWER : ? YOUR ANSWER : ?
The gas which contributes maximum to the heating value of natural gas is CO₂ CH₄ CO H₂ TRUE ANSWER : ? YOUR ANSWER : ?