Placement test for DME students

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My own Warli painting on protection from Corona

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Dear Friends, It is really toughest time to fight against corona. We are feeling very insecure inside our home. We always spending our time to earn money and mostly outside the home. This is the opportunity to stay strong home and utilize this time with family. Explore yourself in this toughest situation. We hope that we definitely win battle against corona. This is my warali painting related to simple steps to protect from corona.  Stay safe.. Take care
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Notes on Gear Measurement

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The Base Tangent Method Or David Brown tangent comparator Or Flange Micrometer The  base tangent  length is the distance between two parallel planes which are tangential to the opposite tooth flanks.  The number of teeth over which the measurement is to be made for a particular gear is based on its total number of teeth and pressure angle   The purpose of tangent tester is to determine the mean value and variation in base tangent length. It is measured between two parallel measuring surfaces tangential to unlike gear teeth flank. In this method, the span of a convenient number of teeth is measured with the help of the tangent comparator . Procedure In this method, the span of a convenient No. of teeth is measured by David brown tangent comparator.  The anvils of the comparator are first set of the base tangent length with the help of slip gauges .  Then, slip gauges are replaced by the gear which is to be measured.  Reading are taken by the compar...
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