Problem

A heat exchanger is used to heat cold water entering at 12°C at a rate of 1.2 kg/s by hot...

A heat exchanger is used to heat cold water entering at 12°C at a rate of 1.2 kg/s by hot air entering at 90°C at rate of 2.5 kg/s. The highest rate of heat transfer in the heat exchanger is

(a) 82 kW

(b) 156 kW

(c) 195 kW

(d) 224 kW

(e) 391 kW

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Solutions For Problems in Chapter 11

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169

A heat exchanger is used to heat cold water entering at 12°C at a rate of 1.2 kg/s by hot...

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