A system that is overcharged will operate with:
A) A low subcooling and a low superheat. B) A high subcooling and a low superheat.
C) A low subcooling and a high superheat. D) A high subcooling and a high superheat.
B
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Semiconductors have how many electrons in their outer orbit?
A) Four B) More than four C) Less than four D) None of these
Grabbing rear drum brakes are often caused by:
A. glazed linings. B. grease on linings. C. contaminated linings. D. out-of-round drum.
The lubricator distribution blocks should be replaced during the ________ inspection
A) four-year B) two-year C) six-year D) eight-year
How deep a cut can be made in solid wood floor joists to accommodate ductwork?
A) Up to half the depth of the joist may be cut out from the top of the joist. B) The joist can be completely severed so long as successive joists are not cut. C) Up to half the depth of the joist may be cut out from the bottom of the joist. D) No cuts can be made in solid wood floor joists for ducts.