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Moist air exists at a pressure of 1.01 bar. The partial pressure and saturation pressure of water vapour are 0.01 bar and 0.02 bar respectively. The relative humidity and humidity ratio of the moist air, respectively are
  • a)
    50% and 0.00622
  • b)
    100% and 0.0126
  • c)
    50% and 0.0126
  • d)
    100% and 0.00622
Correct answer is option 'A'. Can you explain this answer?
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Moist air exists at a pressure of1.01 bar. The partial pressure andsat...
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Moist air exists at a pressure of1.01 bar. The partial pressure andsat...
Solution:

Given data:
Pressure of moist air, P = 1.01 bar
Partial pressure of water vapour, Pw = 0.01 bar
Saturation pressure of water vapour, Psat = 0.02 bar

Calculations:
1. Relative Humidity (RH):
RH = (Pw/Psat) × 100%
= (0.01/0.02) × 100%
= 50%

2. Humidity Ratio (W):
From the psychrometric chart, the humidity ratio corresponding to the given conditions is found to be 0.00622.

Therefore, the relative humidity and humidity ratio of the moist air are 50% and 0.00622 respectively, which is option A.
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Moist air exists at a pressure of1.01 bar. The partial pressure andsaturation pressure of water vapourare 0.01 bar and 0.02 barrespectively. The relative humidityand humidity ratio of the moist air, respectively area)50% and 0.00622b)100% and 0.0126c)50% and 0.0126d)100% and 0.00622Correct answer is option 'A'. Can you explain this answer?
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Moist air exists at a pressure of1.01 bar. The partial pressure andsaturation pressure of water vapourare 0.01 bar and 0.02 barrespectively. The relative humidityand humidity ratio of the moist air, respectively area)50% and 0.00622b)100% and 0.0126c)50% and 0.0126d)100% and 0.00622Correct answer is option 'A'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Moist air exists at a pressure of1.01 bar. The partial pressure andsaturation pressure of water vapourare 0.01 bar and 0.02 barrespectively. The relative humidityand humidity ratio of the moist air, respectively area)50% and 0.00622b)100% and 0.0126c)50% and 0.0126d)100% and 0.00622Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Moist air exists at a pressure of1.01 bar. The partial pressure andsaturation pressure of water vapourare 0.01 bar and 0.02 barrespectively. The relative humidityand humidity ratio of the moist air, respectively area)50% and 0.00622b)100% and 0.0126c)50% and 0.0126d)100% and 0.00622Correct answer is option 'A'. Can you explain this answer?.
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