A cross flow type air heater has an area of 50 cm². The overall heat transf

Question

A cross flow type air heater has an area of 50 cm². The overall heat transfer coefficient is 100 W/m² K and heat capacity of both hot and cold stream is 1000 W/m K. The value of NTU is

Options:

A . 1000

B . 500

C . 5

D . 0.2

Answer: Option B
Answer: (b).500

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