How can debris be flushed from a newly installed ground loop?
A) by adding low-toxicity antifreeze to the system
B) by running water through the loop before connecting it to the system
C) by temporarily connecting the purge unit
D) by running water through the loop after connecting it to the system
B
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Fill is placed and compacted in multiple layers called _____.
a. strata b. flights c. panels d. lifts
A(n)____________________ is a device to convert electrical energy into mechanical energy or power.
Fill in the blank(s) with the appropriate word(s).
Type __________ cable is used for underground installations of branch and feeder circuits.
a. NM b. NM-B c. SE d. None of the above
The viewing-plane line is labeled with numbers so the view can be clearly identified. This is especially important to observe when several viewing-plane lines are used to label different auxiliary views.
Answer the following statement true (T) or false (F)