The rate of heat flow through a body is . The term is known as temperature gradient.

More Questions from Heat Transfer, Refrigeration and Air Conditioning

• The dehumidification process, on the psychrometric chart, is shown by
• The transfer of heat by molecular collision is known as
• A cube at high temperature is immersed in a constant temperature bath. It loses heat from its top, bottom and side surfaces with heat transfer coefficients of h1, h2 and h3 respectively. The average heat transfer coefficient for the cube is
• During sensible cooling of air, the relative humidity increases.
• Wein's law states that the wave length corresponding to __________ is proportional to the absolute temperature.
• The coefficient of performance of vapour compression refrigeration system is quite __________ as compared to air refrigeration system.
• In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = By-pass factor)
• The wet bulb temperature at 100% relative humidity is __________ dry bulb temperature.
• Sensible heat factor is given by (where S.H. = Sensible heat, and L.H. = Latent heat)
• The horizontal and non-uniformly spaced lines on a psychrometric chart indicates

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