Why would you use supply registers with curved louvers?

A) The occupants feel less of a draft. B) The system has higher airflow.
C) The system operates more efficiently. D) The air disperses throughout the room.


A

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To meet specific operating requirements, the packaged variable-speed control drives can be furnished with a variety of modifications, including provisions for ____.

a. disc braking b. reset speed control c. resistance regulation d. multimotor drive

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Which of the following is not one of the foundations of quality customer service?

A) Meet or exceed your customer's needs B) Identify the needs of your customer C) Have a positive attitude D) The customer is never right

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How are motorized dampers controlled when they are used as bypass dampers?

A) They are wired in series with the zone dampers. B) They are wired using the G terminal on the master thermostat. C) They are wired in parallel with the zone dampers. D) A pressurestat measures the static pressure across the blower.

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How are the indoor sections of mini-split heat pump systems normally installed?

A) They are mounted on the ceiling or hung on a wall. B) The indoor section is installed in an attic or basement and ducted to the conditioned space. C) They are mounted in a window with the refrigerant lines running out the back. D) A large hole must be cut in an outside wall and extra framing added to support the unit.

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