For the following questions answer them individually
In order to cool and dehumidify a stream of moist air, it must be passed over the coil at a temperature
The atmospheric air at dry bulb temperature of $$15^\circ$$C enters a heating coil maintained at $$40^\circ$$C. The air leaves the heating coil at $$25^\circ$$C. The by-pass factor of the heating coil is
The angle made by the face of the tool and the plane parallel to the base of cutting tool is called
When the metal is removed by erosion caused by rapidly recurring spark discharges between the tool and work, the process is known as
In order to double the period of a simple pendulum, the length of the string should be :
In a multiple V-belt drive system, when a single belt is damaged, it is preferable to change the complete set in order to