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A device which is used as device for showing direction wind as well used as a decorative purpose?(a) Wind socks(b) Weather vane(c) Pin wheels(d) AnemometersThis question was addressed to me by my college professor while I was bunking the class.I want to ask this question from Vertical Axis Wind Mill in portion Wind Energy of Energy Engineering

Answer»

Correct choice is (b) Weather vane

For explanation: A weather vane works similarly to WIND SOCK. Instead of a tubular sock, the weather vane is made by placing a horizontal POLE at the top of VERTICAL pole. The poles are JOINED together so that the horizontal pole has a flattened, vertical end that reacts to wind.



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