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Water at 42°C is sprayed into a stream of air at atmospheric pressure, dry bulb temperature of 40ºC and a wet bulb temperature of 20°C. The air leaving the spray humidifier is not saturated. Which of the following statements is true?
  • a)
    Air gets cooled and humidified
  • b)
    Air gets heated and humidified
  • c)
    Air gets heated and dehumidified
  • d)
    Air gets cooled and dehumidified
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Water at 42°C is sprayed into a stream of air at atmospheric press...
Here, tDBT = 40°, tWBT = 20°
Water sprayed at temperature = 42°
Since, twater spray > tDBT  so heating and humidification.
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Most Upvoted Answer
Water at 42°C is sprayed into a stream of air at atmospheric press...
°F (5.6°C) is considered cold and can feel uncomfortable to some people. It is also slightly above the temperature of chilled water from a refrigerator, which is typically around 40°F (4.4°C). However, water at this temperature may be refreshing after exercise or on a hot day. It is important to note that water at this temperature can quickly lower body temperature if submerged for too long, so caution should be taken when swimming or participating in water activities in cold water.
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Water at 42°C is sprayed into a stream of air at atmospheric pressure, dry bulb temperature of 40ºC and a wet bulb temperature of 20°C. The air leaving the spray humidifier is not saturated. Which of the following statements is true?a)Air gets cooled and humidifiedb)Air gets heated and humidifiedc)Air gets heated and dehumidifiedd)Air gets cooled and dehumidifiedCorrect answer is option 'B'. Can you explain this answer?
Question Description
Water at 42°C is sprayed into a stream of air at atmospheric pressure, dry bulb temperature of 40ºC and a wet bulb temperature of 20°C. The air leaving the spray humidifier is not saturated. Which of the following statements is true?a)Air gets cooled and humidifiedb)Air gets heated and humidifiedc)Air gets heated and dehumidifiedd)Air gets cooled and dehumidifiedCorrect answer is option 'B'. 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 Water at 42°C is sprayed into a stream of air at atmospheric pressure, dry bulb temperature of 40ºC and a wet bulb temperature of 20°C. The air leaving the spray humidifier is not saturated. Which of the following statements is true?a)Air gets cooled and humidifiedb)Air gets heated and humidifiedc)Air gets heated and dehumidifiedd)Air gets cooled and dehumidifiedCorrect answer is option 'B'. 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 Water at 42°C is sprayed into a stream of air at atmospheric pressure, dry bulb temperature of 40ºC and a wet bulb temperature of 20°C. The air leaving the spray humidifier is not saturated. Which of the following statements is true?a)Air gets cooled and humidifiedb)Air gets heated and humidifiedc)Air gets heated and dehumidifiedd)Air gets cooled and dehumidifiedCorrect answer is option 'B'. Can you explain this answer?.
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