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
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
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.
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.