- It is not affected by the moisture present in the air
- Its bulb is surrounded by a wet cloth exposed to the air
- The moisture present in it begins to condense
- None of the above
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When the air is passed through an insulated chamber having sprays of water maintained at a temperature higher than the dew point temperature of entering air but lower than its dry bulb temperature, then the air is said to be?
Answer: Option 1 When the air is passed through an insulated chamber having sprays of water maintained at a temperature higher than the dew point temperature of entering air but...
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The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure, is called?
Answer: Option 4 The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of...
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The temperature of air recorded by a thermometer, when it is not affected by the moisture present in the air, is called?
Answer: Option 2 The temperature of air recorded by a thermometer, when it is not affected by the moisture present in the air, is called Dry bulb temperature
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The temperature of air recorded by a thermometer, when its bulb is surrounded by a wet cloth exposed to the air, is called?
Answer: Option 1 The temperature of air recorded by a thermometer, when its bulb is surrounded by a wet cloth exposed to the air, is called Wet bulb temperature
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Wet bulb temperature is the temperature of air recorded by a thermometer, when?
Answer: Option 2 Wet-bulb temperature. The wet-bulb temperature (WBT) is the temperature read by a thermometer covered in water-soaked cloth (wet-bulb thermometer) over which air is passed. At 100% relative...
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When water is sprayed on air, passing through an insulated chamber maintained at a temperature higher than the dew point of entering air but lower than its dry bulb temperature, then the air is?
Answer: Option 3 Let'
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When dry bulb temperature & wet bulb temperature of moist air is the same, it means that the?
Answer: Option 4 Let'
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The bypass factor (B. P. F.) in case of sensible heating of air is (Where td₁ = Dry bulb temperature of air entering the heating coil, td₂ = Dry bulb temperature of air leaving the heating coil, and td₃ = Dry bulb temperature of heating coil)?
Answer: Option 2 The bypass factor (B. P. F.) in case of sensible heating of air is (td₃ - td₂)/(td₃ - td₁) Where, td₁ = Dry bulb temperature of air entering the...
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Relative humidity is given by (where pv = Partial pressure of water vapour, pb = Barometric pressure, ps = Pressure of saturated air, pd = Pressure at dry bulb temperature, pw = Saturation pressure corresponding to wet bulb temperature, and μ = Degree of saturation)?
Answer: Option 2 Relative humidity is given by μ/[1 - (1 - μ) (Ps/Pb)] where pv = Partial pressure of water vapour, pb = Barometric pressure, ps = Pressure of saturated air, pd...
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The bypass factor, in case of sensible cooling of air, is given by (where td₁ = Dry bulb temperature of air entering the cooling coil, td₂ = Dry bulb temperature of air leaving the cooling coil, and td₃ = Dry bulb temperature of the cooling coil)?
Answer: Option 2 The bypass factor, in case of sensible cooling of air, is given by (td₂ -td₃)/( td₁ -td₃) where td₁ = Dry bulb temperature of air entering the cooling...
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