Chemical Engineering

Applications of Humidity Chart

Question 1
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Which of the following is the humidity chart?
Psychrometric chart
Psychometric chart
Psychological chart
None of the mentioned
Explanation:
Humidity chart is also called a Psychrometric chart.
Question 2
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What happens to water in the humidification process?
Evaporates
Freezes
Saturated
None of the mentioned
Explanation:
Water evaporates during the humidification process.
Question 3
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What is the temperature of the point of intersection of adiabatic cooling line and specific humid volume line?
Wet-bulb temperature
Dry-bulb temperature
Dew point temperature
None of the mentioned
Explanation:
The temperature of the point of intersection of adiabatic cooling line and specific humid volume line is the dry-bulb temperature.
Question 4
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Wet-bulb temperature is based on the equilibrium between rates of energy transfer to the bulb and which of the following?
Evaporation of water
Saturation of water
Freezing of water
None of the mentioned
Explanation:
Wet-bulb temperature is based on the equilibrium between rates of energy transfer to the bulb and evaporation of water.
Question 5
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What is the humidity at the point of intersection of the dew point curve and wet-bulb line?
Dry-bulb Humidity
Wet-bulb Humidity
Specific Humidity
None of the mentioned
Explanation:
The humidity at the point of intersection of the dew point curve and wet-bulb line is called the wet-bulb humidity.
Question 6
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In the humidity chart, what does the horizontal axis represent?
Air temperature
Dry-Bulb temperature
Wet-Bulb temperature
None of the mentioned
Explanation:
The horizontal axis of humidity chart is dry-bulb temperature.
Question 7
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What is the heat transferred from the system in the humidification process?
Positive
Negative
Zero
None of the mentioned
Explanation:
Humidification is the adiabatic cooling process which means no heat exchange.
Question 8
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To plot the web-bulb line one information is wet-bulb temperature, what can be the other information?
Relative humidity
Dry-bulb temperature
Humidity
All of the mentioned
Explanation:
Relative humidity, Dry-bulb temperature, or Humidity any of these can be the other information.
Question 9
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Humidity chart relates which of the following balances?
Momentum and energy balance
Material and energy balance
Material and momentum balance
None of the mentioned
Explanation:
Humidity chart relates material and energy balance.
Question 10
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Which of the following is also called adiabatic cooling?
Humidification
Humidity
Humid temperature
None of the mentioned
Explanation:
Humidification is also called adiabatic cooling.