Answer / rakesh shetty

A damper is a valve or plate that stops or regulates the flow of air inside a duct, chimney, VAV box, air handler, or other air handling equipment.

Answer / shrikant

dampers are nothing but the shock absorbers
like spring and also use to prevent the buckling effect of the spring. Best example is shock absoebers of bike. when bike passes over any hurdle spring get compressed and spring has property that when it compressed it relies the force twice to the compression to prevent this dampers are used which slowly moves up due to the spring force reduces and we didn't get the jerk

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HYDROLICS

2 Answers   NHPC,

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sir, i need some help by you. sir i want to know there are any industry that give six month training on the basis of entrance examination. sir if there are any .pls send me ans on my email-id sk12005@rediffmail.com pls.

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hi, if anyone have previous year paper of NHPC or some questions, Please send me at gupta.pankaj20@gmail.com

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why transformer required and why not voltage directly supply from power generation to the applications

3 Answers  

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