Lubricant at 120 c flows over the upper surface of a 5 m long flat plate whose temperature is 20 c with velocity of 5 m/s. Determine the rate of heat transfer per unit width of the entire plate. Properties at mean temperature are: = 876 kg/m3, pr = 2962, k = 0.1444 w/m-k and v = 2.485 x 10-4m2/s.
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ok chal ek bat bolta hoo kan khol ka sun la smja sala
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