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The vertical and uniformly spaced lines on a psychrometric chart indicates
A semicircular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi circular disc and horizontal surface is µ. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will
The curved lines on a psychrometric chart indicates
In a psychrometric chart, specific humidity (moisture content) lines are
The dry bulb temperature lines, on the psychrometric chart are
The relative humidity lines on a psychrometric chart are
The humidification process, on the psychrometric chart is shown by
The dehumidification process, on the psychrometric chart, is shown by
The alignment circle is marked on the psychrometric chart at
A series of closely spaced contour lines represents a