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
31.
Sulphur dioxide is extremely toxic and non-flammable.
32.
The transfer of heat from one body to another takes place only when there is a temperature difference between the bodies.
33.
A heat exchanger with heat transfer surface area A and overall heat transfer coefficient U handles two fluids of heat capacities Cmax and Cmin. The number of transfer units (NTU) used in the analysis of heat exchanger is specified as
AU Cmin
34.
Thermal diffusivity of a substance is given by (where h = Thermal diffusivity, ρ = Density of substance, S = Specific heat, and k = Thermal conductivity)
35.
Which of the following statement is correct for ammonia as a refrigerant?
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