Chemical Engineering Basics
Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type

Counter flow with unequal heat capacities
Parallel flow with unequal heat capacities
Counter flow with equal heat capacities
Parallel flow with equal heat capacities

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Chemical Engineering Basics
Salvage value is the most flexible criteria for analysing a financial investment. 'Salvaging' means

Disposing off a machine/property on as is where is basis
Writing off the obsolete machine/ property
Mortgaging the obsolete machine/property
Disposing off machine/property, which is no longer useful in the present scenerio

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