In factories and industries, we use exhaust fan to remove hot gases and other pollutants. These exhaust fans consume lot of energy for their operation. Which of these can replace exhaust fans and save electrical energy:
a) Pedestal fan. b) Ceiling fans. c) Turbo ventilator. d) Wall mounted fans
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The correct option is c) Turbo ventilator
Mechanism of Turbo ventilator
Turbo ventilators use the velocity of wind to create tides. These tides in turn create spin motion due to which the resulting centripetal force causes a region of low pressure inside and sucks the hot gases out.
How is turbo ventilator energy saving?
It is energy-saving because it uses natural renewable resource e.g. wind.
Ceiling fans, pedestal fans and wall-mounted fans are incorrect options
Because all of them use electricity.
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