Before a container of a stored recycled refrigerant is used, the container must be checked for:
A) gross weight
B) non-condensable gases
C) moisture contamination
D) DOT approval
Ans: B) non-condensable gases
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The finish recommended for fiber-cement siding is _____.
a. acrylic latex paint b. vinyl acetate stain c. vinyl acrylic paint d. flat alkyd paint
The circular mound design may be viewed from which side?
a. Top side c. Front to back b. Front side d. All sides
Organizations that set safety standards for manufactured ductwork include
A) AHRI and HVAC Excellence B) EPA and OSHA C) Underwriters Laboratories and the National Fire Protection Association D) ACCA and RSES
A butt joint is most accurately described as the _____
a. point where two sheets of wallboard with untapered sides meet b. point where two bevel-edged sheets of wallboard meet c. intersection of two sheets of wallboard at a corner d. place where a sheet of wallboard meets the floor