Describe direct dimensioning.
What will be an ideal response?
Direct dimensioning is applied to control the
size or location of one or more specific features.
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The lowest air pressure in an air distribution system is found at the _____.
a. blower outlet b. return air grille c. blower inlet d. supply air diffuser
A thermistor responds to changes in temperature by changing its _____.
a. power output b. voltage c. current d. resistance
____________________ is done by nailing through the thickness of one piece and into the end of
another piece.
Fill in the blank(s) with the appropriate word(s).How can debris be flushed from a newly installed ground loop?
A) By running water through the loop after connecting it to the system. B) By temporarily connecting the purge unit. C) By adding low-toxicity antifreeze to the system. D) By running water through the loop before connecting it to the system.