The two primary approaches to evacuating systems are known as the _____

a. deep vacuum and staged vacuum methods
b. assisted vacuum and triple evacuation methods
c. deep vacuum and triple evacuation methods
d. assisted vacuum and staged vacuum methods


c

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One component that is commonly found in VRF systems but not in standard ductless systems is a(n) _____.

a. electronic expansion valve b. variable-speed compressor c. oil separator d. wireless remote control

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OBD-II requires the PCM to detect faults allowing emissions that exceed how many times the FTP standard?

A) 14.7 B) 2 C) 1.5 D) 10

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Why are electro mechanical control systems often referred to as relay control systems?

What will be an ideal response?

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Two technicians are discussing bearing inserts. Technician A says that bearing inserts are used in wheel bearings. Technician B says bearing inserts prolong bearing life. Who is correct?

A. A only B. B only C. Both A and B D. Neither A nor B

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