- Cooled and dehumified
- Heated and humidified
- Cooled and humidified
- Heated and dehumidified
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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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Dry bulb temperature is the temperature of air recorded by a thermometer, when?
Answer: Option 1 The Dry Bulb Temperature refers basically to the ambient air temperature. It is called "Dry Bulb" because the air temperature is indicated by a thermometer not affected...
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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 heat transfer by conduction through a thick cylinder (Q) is given by (where T₁ = Higher temperature, T₂ = Lower temperature, r₁ = Inside radius, r₂ = Outside radius, l = Length of cylinder, and k = Thermal conductivity)?
Answer: Option 1 The heat transfer by conduction through a thick cylinder (Q) is given by Q = [2πlk (T₁ - T₂)]/2.3 log (r₂/r₁)where T₁ = Higher temperature, T₂ =...
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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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In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for __________ fibres.?
Answer: Option 2 Let'
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