The temperature below which a gas is always liquified, is known as critical temperature.

More Questions from Heat Transfer, Refrigeration and Air Conditioning

• The expression is used for calculating
• In aqua-ammonia absorption refrigeration system, incomplete rectification leads to accumulation of water in
• In a black body, all radiations are rejected.
• An ordinary passenger aircraft requires a cooling system of capacity.
• The specific humidity during humidification process
• Planck's law holds good for all coloured bodies.
• The reduced ambient air cooling system has
• 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)
• The thermal diffusivity for solids is generally less than those for liquids and gases.
• The by-pass 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)

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