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Mechanical Engineering Practice Questions
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Mechanical Engineering Practice Questions
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1. A large concrete slab 1 mthick has one dimensionaltemperature distribution: T =4 -“ 10x + 20x2 + 10x3 where Tis temperature and x isdistance from one facetowards other face of wall. Ifthe slab material has thermaldiffusivity of 2 × 10-“3 m2 /hr - what is the rate of change oftemperature at the other faceof the wall?