Assuming tci as constant determine the expression for

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The efficiency of counter flow heat exchanger is given by

r=(Tco-Tci)/(Thi-Tci)

where

Tco=cold water outlet temperature

Tci=cold water inlet temperature

Thi=hot water inlet temperature

Assuming Tci as constant, determine the expression for uncertainty of heat exchanger efficiency using an appropriate method.

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Assuming tci as constant determine the expression for : the efficiency of counter flow heat exchanger is given byrtco-tcithi-tciwheretcocold water outlet temperaturetcicold

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