A cross-flow type air heater has an area of 50 m2. The overall transfe – McqOptions

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1.	A cross-flow type air heater has an area of 50 m2. The overall transfer coefficient is 100 W/m2 K; and heat capacity of the stream, be it hot or cold, is 1000 W/K. What is the NTU?
A.	500
B.	50
C.	5
D.	0.5
Answer» D. 0.5

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