QUESTION 64 OF 100
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A heat exchanger is designed to heat liquid water from 150°C to 190°C inside tubes using steam condensing at 230°C on the outer surface tubes. For a constant flow rate the effect of fouling of the heat transfer surfaces is to:
A) increase the temperature rise of the water
B) decrease the temperature rise of the water
C) increase heat exchanger effectiveness
D) make no change in heat exchanger effectiveness
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