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22-Mec-B2 Environmental Control in Buildings: May 2014

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

  1. Question 1 Summer cooling plant with a governing ventilation rate
  2. Question 2 Winter preheat, humidify and reheat plant
  3. Question 3 Fan laws, duty point and throttling
  4. Question 4 Degree-day comparison of gas, electric and heat-pump heating
  5. Question 5 Ventilation, infiltration and attic ventilation
  6. Question 6 Summer cooling load method; sheathing thickness and vapour control
  7. Question 7 VAV systems and indoor air quality
  8. Question 8 R-134a air-source heat pump

Start with Question 1 →

Paper format. Professional Engineers of Ontario / Engineers Canada annual examination, 07-Mec-B2 Environmental Control in Buildings, May 2014. Three hours, open book, non-communicating calculator permitted. Eight problems of 20 points each; candidates answer five. All eight are solved here, because the set is a study resource. Psychrometric charts (SI and I-P) and a DuPont HFC-134a pressure-enthalpy diagram are attached to the paper.

Reference texts.