Why does a pressure drop not necessarily indicate a refrigerant leak?

A) It may be indicating atmospheric pressure. B) It may be indicating nitrogen presence.
C) It may be indicating system shutoff. D) It may be indicating temperature change.


D

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In ____________________ training, prepackaged software provides training at the trainee's workstation.

Fill in the blank(s) with the appropriate word(s).

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Define an affected employee.__________________________________________________________________________________________________________________________________________

What will be an ideal response?

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A 3/4 -inch copper tube has an outside diameter of 3/4 inch. The pipe is most likely type _____

A) K B) M C) ACR D) DWV

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A grinder can catch on rough material edges and shift around, especially when using rotary bits called _____

a. burr bits b. backing bits c. kerf bits d. saber bits

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