In a two-pipe system:
A) Each convector is supplied with the same temperature hot water.
B) The convector can be used for both heating and cooling.
C) All the water flows through each convector in the loop.
D) The main supply water temperature drops a little through each convector.
Question 2
Most pond and lake water would not be suitable for an open-loop system because:
A) Locating the equipment in the pond would short out the electrical connections.
B) Water in lakes and ponds has too low a specific gravity.
C) Most ponds do not hold enough water.
D) It contains too many minerals and contaminants that would lead to scale buildup inside the system.
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