The cuprous chloride used in orsat apparatus can absorb All of these Both CO and O₂ Both CO and CO₂ Only CO TRUE ANSWER : ? YOUR ANSWER : ?
Stack (chimney) height in a big thermal power plant is dictated by the Limitation of constructional facilities Draught to be created None of these Pollution control aspect TRUE ANSWER : ? YOUR ANSWER : ?
L.D. converter gas (produced in steel plant) comprises mainly of CO & O₂ CO₂ & O₂ CO₂ & H₂ CO (upto 65%) & CO₂ 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 O₂ CO SO₂ TRUE ANSWER : ? YOUR ANSWER : ?
Quantity of coke oven gas produced by high temperature carbonisation of one ton of dry coal may be around __________ Nm³. 30 3000 30, 000 300 TRUE ANSWER : ? YOUR ANSWER : ?
The calorific value of 'LPG' (50% propane + 50% butane) is about __________ kcal/Nm³. 10, 000 5000 25, 000 15, 000 TRUE ANSWER : ? YOUR ANSWER : ?
A good coking coal should have high __________ content. Ash Moisture None of these Sulphur & phosphorus TRUE ANSWER : ? YOUR ANSWER : ?
With increase in calorific value of fuels, their adiabatic flame temperatures May increase or decrease ; depends on the quantity of products of combustion Increase Decrease Remain unchanged TRUE ANSWER : ? YOUR ANSWER : ?
Commercial production of petrol from coal (as practised in a factory at Sasol in South Africa) is done by the __________ of coal. None of these Hydrogenation Carbonisation Gasification TRUE ANSWER : ? YOUR ANSWER : ?
Supply of excess air for complete combustion of fuel is necessitated to facilitate Attainment of chemical equilibrium None of these Attainment of high temperature Its thorough mixing with air TRUE ANSWER : ? YOUR ANSWER : ?