Mechanical Engineering - Heat Transfer, Refrigeration and Air Conditioning
Exercise : Heat Transfer, Refrigeration and Air Conditioning - Section 2
- Heat Transfer, Refrigeration and Air Conditioning - Section 1
- Heat Transfer, Refrigeration and Air Conditioning - Section 2
- Heat Transfer, Refrigeration and Air Conditioning - Section 3
- Heat Transfer, Refrigeration and Air Conditioning - Section 4
- Heat Transfer, Refrigeration and Air Conditioning - Section 5
- Heat Transfer, Refrigeration and Air Conditioning - Section 6
- Heat Transfer, Refrigeration and Air Conditioning - Section 7
- Heat Transfer, Refrigeration and Air Conditioning - Section 8
11.
For evaporators and condensers, for the given conditions, the logarithmic mean temperature difference (tm) for parallel flow is __________ that for counter flow.
12.
A vapour absorption refrigerator uses __________ as a refrigerant.
13.
Thermal conductivity of air increases with rise in temperature.
14.
The material of pipe lines for a system using ammonia as a refrigerant should be copper.
15.
The wave length corresponding to the maximum energy is inversely proportional to the absolute temperature. This statement is called Planck's law.
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