A self contained recovery device:
A) Can only be used on systems that are sold by independent distributors.
B) Relies on the system the refrigerant is being recovered from for its operation.
C) Is used with systems that are not connected to the power grid.
D) Does not rely on the system the refrigerant is being recovered from for its operation.
D
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When the HVAC controls are placed in the "heat" position, where does the air flow?
A) From the dash vents B) To the outside dash vents only C) From the floor and windshield (defrost) vents D) From the floor vents
Technician A says that a harmonic balancer repair sleeve kit will repair a worn damper hub at minimal cost. Technician B says this type sleeve is pressed onto the hub using a small amount of silicone sealer. Who is correct?
A. Technician A B. Technician B C. Both technicians D. Neither technician
Why would having a system tested and balanced be a good first step towards reducing energy cost?
What will be an ideal response?
Which type of point-to-point connection is infrared-based?
A. WiMAX B. LMDS C. MMDS D. FSO