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BARC/GATE Question Series Part - 36
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Question based on Convection Heat Transfer

Deep Sangeet Maity is teaching live on Unacademy Plus

Deep Sangeet Maity
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good please share info little bit detail
For the convection question soution , you have used local heat transfer coeff. to find the rate of Heat transfer. But to find the rate of heat transfer through all the surfaces, we must use average heat transfer coeff.i.e. you must multiply it (h) by 2. kindly check it.
the Nusselt no. is given for whole length i.e. Average Nusselt no. is given and whenever we take full complete length for Nu. calculation then it is average Nu no. only