Question 2 / 33:  A fluid with heat capacity 2.2 kJ/kg K enters a heat exchanger at 90°C and leaves at 30°C at a flow rate of 5 kg/s. Calculate the heat removal from this fluid.
A  660 W
B  6.60 kW
C  66.0 kW
D  660 kW
E  66.0 W
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Explanation:

Q = 5 kg/s (2.2kJ/kg K)(60 K) = 660 kW

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Thermal-Fluid Systems ME303

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Attribution:  Dr. Steve Gibbs. Thermal-Fluid Systems. The Saylor Academy 2014, http://www.saylor.org/courses/me303/
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