Engineering, 30.03.2020 19:30 AleciaCassidy
A fruit juice is being heated in an indirect heat exchanger using steam as a heating medium. The product flows through the heat exchanger at a rate of 1000 kg/h and the inlet temperature is 308C. Determine the quantity of steam required to heat the product to 1008C when only latent heat of vaporization (2230.2 kJ/kg) from steam at 1108C is used for heating. The specific heat of the product is 4 kJ/(kg 8C).
Answers: 3
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Apipe with an outside diameter of 15 cm is exposed to an ambient air and surrounding temperature of -20°c. the pipe has an outer surface temperature of 65°c and an emissivity of 0.85. if the rate of heat loss from the pipe surface is 0.95 kw per meter of length, the external convective heat transfer coefficient (h) is: (a) 12.5 w/m"k (b) 18.6 w/mk (c) 23.7 w/mk (d) 27.9 w/mk (e) 33.5 w/mk
Answers: 1
A fruit juice is being heated in an indirect heat exchanger using steam as a heating medium. The pro...
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