Mechanical Engineering - Heat Transfer, Refrigeration and Air Conditioning
Exercise : Heat Transfer, Refrigeration and Air Conditioning - Section 5
- 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
31.
A composite slab has two layers of different materials with thermal conductivities k1 and k2. If each layer has the same thickness, then the equivalent thermal conductivity of the slab will be
k1 k2
k1 + k2
32.
The critical temperature is the temperature
33.
The evaporator changes the low pressure liquid refrigerant from the expansion valve into
34.
For air conditioning the operation theatre in a hospital, the percentage of outside air in the air supplied is
35.
In case ofsensible cooling of air, the coil efficiency is given by
B.P.F. - 1
1 - B.P.F.
1 + B.P.F.
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