What do vapor barriers usually consist of for insulation purposes?
What will be an ideal response?
Vapor barriers can be asphalt impregnated paper, aluminum-coated wood or paper products, or
polyethylene film.
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Delta note
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Technician A says to always purchase replacement tires with the same or greater speed rating as when the vehicle was new. Technician B says to install the same type of tire (example: m+s) on all wheels. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Identify the incorrect statement in regards to PAG (polyalkylene glycol) oil:
A. PAG oil is hygroscopic. B. PAG oil is easily mixed with any other refrigerant oil. C. PAG oil can easily damage paint surfaces. D. PAG oil should be kept in a clean container to prevent contamination.
are often described as straightened-out coil springs
What will be an ideal response?