The dehumidification process, on the psychrometric chart, is shown by horizontal

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Question
The dehumidification process, on the psychrometric chart, is shown by
Options
A. horizontal Sine
B. vertical line
C. inclined line
D. curved line

Correct Answer

vertical line

Heat Transfer, Refrigeration and Air Conditioning problems

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3. A furnace is made of a red brick wall of thickness 0.5 m and conductivity 0.7 W/mK. For the same heat loss and temperature drop, this can be replaced by a layer of diatomite earth of conductivity 0.14 W/mK and thickness
Options
A. 0.5 m
B. 0.1 m
C. 0.2 m
D. 0.5 m

5. In a vapour compression system, the condition of refrigerant is dry saturated vapour
Options
A. before entering the compressor
B. after leaving the compressor
C. before entering the condenser
D. after leaving the condenser

7. 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
Options
A. h₁ + h₂ + h₃
B. (h₁h₂h₃)^1/3
C.
D. none of these

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