After refrigerant lines have been installed, they should be evacuated to a(n) ____ vacuum.

A. average
B. low
C. moderate
D. deep


Answer: D

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A large corporation will often publish an addendum to ASME or ISO standards. List the four items the addendum typically covers.

What will be an ideal response?

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What did the vassal commit himself to perform in return for the lord’s protection and a benefice?

a. military service b. agricultural labor c. religious penance d. artistic works

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What factors determine the duration of the quasi-stable output pulse from a one-shot multivibrator?

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