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22-Agric-A3 Heat Engineering: December 2014

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 Conduction Through a Lead Slab
  2. Question 2 Composite House Wall with Air Space
  3. Question 3 Radiation Shielding of a Liquid-Nitrogen Line
  4. Question 4 Natural Convection Cooling of a Tank Wall

Start with Question 1 →

National Exams December 2014 — 04-Agric-A3, Heat Engineering (3 hours, open book). Four questions constitute a complete exam paper; each is of equal value (25 points) and all require calculation.

Reference texts: Çengel & Ghajar, Heat and Mass Transfer: Fundamentals and Applications (conduction, composite walls); J.P. Holman, Heat Transfer (natural-convection correlations, boundary-layer thickness); R.F. Barron, Cryogenic Heat Transfer (concentric-cylinder radiation shields).