Heat Transfer
In an extended surface heat exchanger, fluid having lower co-efficient

Can flow either inside or outside the tubes
Flows through the tube
Flows outside the tubes
Should not be used as it gives very high pressure drop

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Heat Transfer
LMTD for counterflow and prallel flow heat exchanger will be the same, when the

Cold fluid is heated to a certain temperature by condensing steam (isothermal fluid)
None of these
Outlet temperature of hot fluid is less than the outlet temperature of the cold fluid
Outlent temperature of both the hot and cold fluid are same

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