Heat-pumps contain a ____ that is used when the outside ambient temperature is too low to provide enough heat transfer.
a. more efficient refrigerant system
b. pressure-based system
c. restore system
d. back-up heating system
d. back-up heating system
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Answer the following statements true (T) or false (F)
HVAC diagnostic trouble codes are found stored in the body control module (BCM) and will turn ON the check engine light if a fault is present.
Are vegetables affected by high soil salts?
Indicate by YES (Y) or NO (N).
Most electronic thermostats maintain their programming when the batteries are removed using a built-in
_____. a. diode b. resistor c. light cell d. capacitor
Ergonomic hazards are being discussed. Technician A says that they impede normal body position and motion. Technician B says they're the results of noise or vibration. Who is correct?
What will be an ideal response?