Which of the following statements is true about increasing building ventilation from moderate (e.g., 25 CFM/occupant) to high (e.g., 50 CFM/occupant)? Select all that apply.

A) The net loss in energy outweighs the net gains from occupant health.
B) Increasing ventilation will increase the initial cost of HVAC systems.
C) Increasing ventilation will produce a healthier environment.
D) Increasing ventilation will increase energy consumption.


B) Increasing ventilation will increase the initial cost of HVAC systems. , C) Increasing ventilation will produce a healthier environment. and D) Increasing ventilation will increase energy consumption.

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Fill in the blank(s) with the appropriate word(s).

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List the potential hazards of using the wrong hose for the task.

What will be an ideal response?

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Because like charges repel each other and unlike charges attract, magnetic fields can be used to cause motion.

Answer the following statement true (T) or false (F)

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Indicate whether the statement is true or false

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