- Bog iron
- Limestone powder or alkalised alumina
- Silica gel
- Active carbon
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The temperature at which a gas, when subjected to Joule-Thomson expansion, neither cools or heats up, is termed as the __________ temperature. Above this temperature the gas heats up on throttling and below this the gas cools down.?
Answer: Option 3 Let'
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Death may occur, when SO₂ concentration in atmospheric air exceeds __________ ppm.?
Answer: Option 3 Let'
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When the concentration of SO₂ in air is greater than __________ ppm, it gives a pungent smell.?
Answer: Option 4 Let'
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The compressibility factor of a gas is given by (where, V₁ = actual volume of the gas V₂ = gas volume predicted by ideal gas law )?
Answer: Option 1 The compressibility factor is given by $$Z = \frac{{P{V_1}}}{{RT}}.$$ If at the same temperature and pressure if the same gas exists as ideal gas than we...
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Which is the most efficient dust removal equipment for removal of sub-micronic dust particles from blast furnace gas?
Answer: Option 3 Let'
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Which of the following is an adsorbant for removal of nitrogen oxides from gas/air?
Answer: Option 2 Let'
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Which adsorbant is used for removing sulphur compounds (S Q, H₂S, RSH etc.) removal from coke oven gas in by-products recovery plant ?
Answer: Option 4 Let'
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Which of the following adsorbant is used in the refinning of sugar?
Answer: Option 1 Let'
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Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas.?
Answer: Option 2 Let'
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Directions : In each of the following questions a statement is given, followed by two conclusions. Give answer : Statement : The State Government has abolished the scheme of providing concessional air ticket to students. Assumptions : I. Students will not travel by air in future. II. The students who resort to travel by air can bear the expenses of air ticket.?
Answer: Option 2 The scheme has been abolished not to discourage the students from travelling by air but keeping in mind that the abolition of scheme won't stop them from...
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