Tag: #heattransferefficiency
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EK General Oct 2024 (Q4)
Describe EACH of the following heat exchanger types, stating a suitable application for EACH type: (a) Parallel flow (3) (b) Contra flow (3) (c) Mixed flow (4) 10 marks Oct 2024, Dec 2021, Oct 2018 Heat exchanger Oct 2024 (Q4)
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EK General Jul 2024 (Q4)
With reference to multi-tubular heat exchangers, explain how EACH of the following contribute to satisfactory performance: (a) Tube wall thickness (2) (b) Dense population of tubes in the tube plate (2) (c) Tube materials selection (2) (d) Coolant flow rates (2) (e) Unimpeded passage of coolant at entry and exit from the tubes (2) Heat…
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EK General Dec 2023 (Q4)
With reference to plate type heat exchangers: (a) Sketch a cross sectional view showing the plate design pattern and the directions of hot and cold fluid flow (4) (b) State TWO reasons for the plate design patterns (2) (c) State, with reasons, FOUR advantages of a plate cooler compared to shell and tube type. (4)…
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EK General Dec 2021 (Q5)
Describe EACH of the following heat exchanger types, stating a suitable application for EACH type: (a) parallel flow (3) (b) contra flow (3) (c) mixed flow (4) Heat exchanger Dec 2021 (Q5)
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EK General Mar 2021 (Q6)
With reference to heat exchangers, describe how EACH of the following design aspects promote heat transfer (a) material selection (5) (b) flow patterns (3) (c) extended surface areas (2) Heat exchanger Mar 2021 (Q6)
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EK General Oct 2017 (Q1)
With reference to plate heat exchanger, explain how EACH of the following design aspects promote heat transfer: (a) Material selection (5) (b) Flow pattern (3) (c) Extended surface area (2) Heat exchanger Oct 2017 (Q1)
UKM Tuticorin 