Water enters a counter flow, double-pipe heat exchanger at 45 c, flowing at the rate of 0.5 kg/s. it is heated by oil (cp = 1.884 kj/kg. k) flowing at the rate of 1 kg/s from an inlet temperature of 105 c. for an area of 18.0 m2 and an overall heat transfer coefficient of 340w/m^2.k, determine the total heat transfer rate.

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explanation:

the equation above shows how temperature f, measured in degrees fahrenheit, relates to a temperature c, measured in degrees celsius. based on the equation, which of the following must be true?

a temperature increase of 1 degree fahrenheit is equivalent to a temperature increase of

5

9

degree celsius.

a temperature increase of 1 degree celsius is equivalent to a temperature increase of 1.8 degrees fahrenheit.

a temperature increase of

5

9

degree fahrenheit is equivalent to a temperature increase of 1 degree celsius.

a) i only

b) ii only

c) iii only

d) i and ii only

answer:

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explanation: