what is the motion of air cooler fan?
a)rotatory
b)oscilarory
c)translatory
d)none
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answer :
option ( a )
rotatory.
rotatory is the motion of air cooler fan.
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(A) Rotatory.
Air coolers have a fan that is placed in a vertical position inside the cabinet.
Water runs inside the air cooler by using a pump and evaporative cooling takes place with the help of cooling pads.
When these pads get moistened by the flowing water over them and the fan blows in a rotatory motion, it provides cool air to an area making it pleasant.
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