E-PolyLearning

1. Which of the following is defined as the ratio of partial pressure and vapor pressure?
a. Relative Humidity
b. Molal Humidity
c. Humidity
d. None of the mentioned
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Answer: (a).Relative Humidity

2. What is the relative saturation of a gas with partial pressure 10 mm Hg and vapor pressure 5 mm Hg?
a. 0.5
b. 1
c. 2
d. 4
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Answer: (c).2

3. What is the relative humidity of a gas with partial pressure of water vapor is 5 mm Hg and vapor pressure 8 mm Hg?
a. 25%
b. 32.5%
c. 45%
d. 62.5%
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Answer: (d).62.5%

4. What is the relative saturation of a gas with partial pressure 38 mm Hg and vapor pressure 1 torr?
a. 0.05
b. 0.5
c. 2
d. 38
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Answer: (d).38

5. What is the relative humidity of a gas with partial pressure of water vapor 360 Pa and vapor pressure 1 atm?
a. 100%
b. 225.1%
c. 355.4%
d. 405.9%
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Answer: (c).355.4%

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