Problem 2. What are possible boundaries for studying each of the following (include sketches):

Ans: N/A

a) Wind turbine.

b) A household refrigerator in operation.

c) Heat loss through a building envelope during the winter.

d) Curing of concrete.

e) A geothermal pile for a ground source heat pump.

f) An electric tram network in a city (e.g., in Europe).

g) Ventilation system for a commercial building.

h) Wastewater treatment plant.