Control valves used for steam heating coils are typically:
A) Either two-way or three-way valves. B) Four-way valves.
C) Three-way valves. D) Two-way valves.
[Ques. 2] How is the COP rating different from the HSPF?
A) Only the HSPF measures heating and cooling units.
B) HSPF takes data from multiple weather conditions.
C) Only the COP measures defrost.
D) COP takes data from multiple weather conditions.
[Ques. 3] An example of designing for a sustainable, healthy interior environment would be:
A) Using finishes that have very low volatile organic compounds.
B) Using more synthetic and plastic materials.
C) Using finish materials that have high levels of volatile organic compounds.
D) Painting and staining all surfaces to seal them.
[Ques. 4] The design pressure drop across the valve is measured when the valve is:
A) Fully closed. B) Fully open. C) Removed. D) Installed.
[Ques. 5] Why is it important to know what the conditions were when a pump was rated?
A) It assists in knowing which rating system to use.
B) It helps to properly measure the operating costs.
C) Weather factors can affect the ratings.
D) Ratings can be skewed based upon test type.
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