On psychometric chart, wet bulb temperature lines are ________.

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SSC JE ME Previous Paper 16 ( Held on: 1 March 2017 Evening)
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  1. Horizontal
  2. Vertical
  3. Straight inclined sloping downward to the right
  4. Curved

Answer (Detailed Solution Below)

Option 3 : Straight inclined sloping downward to the right
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Thermodynamics for All AE/JE ME Exams Mock Test
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Detailed Solution

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Concept:

Every psychometric chart includes vertical lines that represent the dry bulb temperatures, diagonals line represents wet bulb temperature and curved lines represent relative humidity.

Dry Bulb Temperature: Actual temperature of gas or mixture of gases

Wet Bulb temperature: Temperature obtained by an accurate thermometer having a wick moistened with distilled water

Dew point temperature: Temperature at which the liquid droplets just appear when the moist air is cooled continuously.

Relative humidity along the saturation line is 100%.

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