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Q#1 Heat Exchanger GATE CH 2023 MCQ +1 mark -0.33 marks

An isothermal jacketed continous stirred tank reactor (CSTR) operating at 150°C is shown in the figure below. The cold feed entering the system at 30°C is preheated to a temperature T (T < 150°C) using a heat exchanger HX₁. This preheated feed is further heated to 150°C using the utility heater HX2. The mass flow rate and heat capacity are same for all the process streams, and the overall heat transfer coefficient is independent of temperature. Which one of the following statements is the CORRECT action to take if it is desired to increase the value of T?

.

Increase both heat transfer area of HX1 and heat duty of HX2.

Decrease both heat transfer area of HX1 and heat duty of HX2.

Increase the heat transfer area of HX1 and decrease the heat duty of HX2.

Decrease the heat transfer area of HX1 and increase the heat duty of HX2.

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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
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