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Q#1 GATE CH 2012 MCQ +1 mark -0.33 marks

In a parallel flow heat exchanger operating under steady state, hot liquid enters at a temperature  and leaves at a temperature . Cold liquid enters at a temperature  and leaves at a temperature . Neglect any heat loss from the heat exchanger to the surrounding. If , then for a given time interval, which ONE of the following statements is true?

Entropy gained by the cold stream is GREATER than entropy lost by the hot stream

Entropy gained by the cold stream is EQUAL to the entropy lost by the hot stream

Entropy gained by the cold stream is LESS than the entropy lost by the hot stream

Entropy gained by the cold stream is ZERO

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Browse Practice Questions by Chapters / Topics in Browse Practice Questions by Chapters / Topics in GATE Chemical Engineering
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Topic Questions Attempted Correct
Heat Transfer 26 0 0
Chemical Technology 17 0 0
Mechanical Operations 12 0 0
Mass Transfer 42 0 0
Instrumentation and Process Control 26 0 0
Fluid Mechanics 24 0 0
Engineering Mathematics 41 0 0
General Aptitude 60 0 0
Chemical Reaction Engineering 26 0 0
Process Calculation 9 0 0
Plant Design Economics 10 0 0
Thermodynamics 24 0 0