Typical insulators are ____.
A. copper, silver, gold
B. steel, bronze, brass
C. glass, rubber, plastic
D. aluminum, nickel, magnesium
Answer: C
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?What is the approximate width of the root gap that should be set on a beveled joint before tack welding?
A. ?1/64-in (0.4 mm) to 1/32-in (0.8 mm) B. ?1/16-in (1.6 mm) to 1/8-in (3 mm) C. ?1/4-in (6 mm) to 5/16-in (8 mm) D. ?0-in (0 mm)
How is documentation of prior experience or formal schooling summarized?
What will be an ideal response?
To prevent the system refrigerant from quickly dropping in temperature and pressure, refrigerant recovery should:
A) Always take place while the system is operating. B) Only be attempted in the summer. C) Begin with vapor. D) Begin with liquid.
What does BIM stand for?
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