A simple air cooling system is good for __________ flight speeds.

More Questions from Heat Transfer, Refrigeration and Air Conditioning

• Sulphur dioxide has the lowest boiling point.
• The lowest thermal diffusivity is of
• The ratio of actual heat transfer to the maximum possible heat transfer is known as heat exchanger effectiveness.
• The unit of overall coefficient of heat transfer is
• The mass of water vapour present in 1 kg of dry air, is called humidity ratio.
• The refrigerant widely used in domestic refrigerators is
• R-12 is generally preferred over R-22 in deep freezers since
• An infinite parallel planes with emissivities e1 and e2, the interchange factor for radiation from surface 1 to surface 2 is given by
• Hydrogen is used in electrolux refrigeration system so as to __________ the rate of evaporation of the liquid ammonia passing through the evaporator.
• Which of the following statement is correct?

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