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      Question

      If the temperature of a place increases suddenly, the

      relative humidity –
      A Increases Correct Answer Incorrect Answer
      B Decreases Correct Answer Incorrect Answer
      C Remains constant Correct Answer Incorrect Answer
      D Fluctuates Correct Answer Incorrect Answer

      Solution

      Relative humidity is the ratio of the partial pressure of water vapor in an air- watermixturetothesaturated vaporpressureof water at a prescribed temperature. The relative humidityofairdependsnotonlyontemperature butalsoonthepressureofthesystemofinterest. If the system at State A is isobarically heated (heatingwithnochangeinsystempressure)then the relative humidity of the system decreases because the saturated vapor pressure of water increases with increasing temperature.

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