3013q5.m20.091

3013q5.m20.091 - MEEG 3013 Quiz #5.m20.091 1. Dene the...

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MEEG 3013 Quiz #5.m20.091 1. De ne the values of ( a ) n xa <−> , ( b ) x n x a dx −∞ . 2. A timber beam is shown. ( a ) Determine the reactions A and C at A and C . ( b ) Using singularity functions , nd the location D x and magnitude D M of the maximum bending moment at D . ( c ) Knowing that the available stock consists of beams with an allowable stress of 14 MPa and a rectangular cross section of 30-mm width and depth h varying from 80 mm to 160 mm in 10-mm increments, determine the value of h for most economical cross section. --------------------------------------------------------------------------------------------------------------------------- 11 1 1 ( ) if 0 & 0 if 0 & 0 1 0
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