A. Reduce SO2 content in
B. Catalytically convert SO2 to SO3 in
C. Increase the dew point of
D. None of these
Related Mcqs:
- Green house gases blanket/block the infrared radiation from earth’s surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect ?
A. CO2
B. H2
C. SO3
D. N2 - Corrosion in boilers can be prevented by _________________?
A. Deaeration of feed water
B. Enhancing pH of feed water by adding alkali
C. Feeding sodium sulphite or hydrazine phosphate to the boilers, which combines with oxygen
and prevents corrosion
D. All A., B. and C. - Persons working in cement plants and limestone quarries are more prone to disease like__________________?
A. Cancer
B. Asthma
C. Silicosis
D. Fluorosis (bone disease) - The earth’s atmosphere is an envelope of gases present upto a height of about ______________ kms?
A. 10
B. 200
C. 1000
D. 2000 - All gases except ____________ shows a cooling effect during throttling process at atmospheric temperature and pressure?
A. Oxygen
B. Nitrogen
C. Air
D. Hydrogen - All gases during throttling process at atmospheric temperature and pressure show a cooling effect except__________________?
A. CO2
B. H2
C. O2
D. N2 - 1 kg of calcium carbide (CaC2) produces about 0.41 kg of acetylene gas on treatment with water. How many hours of service can be derived from 1 kg of calcium carbide in an acetylene lamp burning 35 litres of gas at NTP per hour ?
A. 5
B. 10
C. 15
D. 20 - A fluid gas produced on burning furnace oil contains 0.15 gm mole of CO2, 0.05 gm mole of oxygen and 0.80 gm mole of N2. What is its molecular weight ?
A. 28.6
B. 30.0
C. 30.6
D. 32.6 - The accumulation in a steady state combustion process, burning 1 kg mole of carbon with 1 kg mole of oxygen thereby producing 1 kg mole of carbon dioxide, is _____________ kg mole?
A. 1
B. 0
C. 16
D. 44 - Cp – Cv = R is valid for ______________ gases?
A. Ideal
B. Very high pressure
C. Very low temperature
D. All of the above
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