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A stream of oil,with specific heat 2.4 kJ/kg K, flowing at 1000 kg/hr is to becooled from 130°C to 80°C in a heat exchanger, using 1200kg/hr water at 20°C as the cooling medium. The predictedoverall heat transfer coefficient, based on the outside diameter ofthe inside pipe is 360 W/m2K . Specific heat(Cp) for water is 4.2 kJ/kg K
a. CalculateΔTLMif the flow is co-current
b. Calculate the heat transfer area required if the flow is co-current
c. CalculateΔTLMif the flow iscounter-current.
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A satellite has a geo-synchronos orbit around the earth. How far is it above the earth's surface
Gas is contained in an7.4L vessel at a temperature of 20°C and a pressure of9.2atm. Determine the number of moles of gas in the vessel
A bullet with a mass m = 4.83 g and initial speed of 330 m/s passes through a wheel which is initially at rest, What is the angular speed of the wheel just after the bullet leaves it
Four identical masses of mass 710 kg each are placed at the corners of a square whose side lengths are 15.0 cm. What is the magnitude of net gravitational force on one of the masses, due to the other three.
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