A heat pump outdoor unit is installed
A) In an excavation whose bottom is below the frost line
B) On a raised platform above the snow line
C) On a concrete pad
D) Directly on the ground
B
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The most common wire coating is ____________________
Fill in the blank(s) with the appropriate word(s).
Compared to a single V-groove weld, a double V-groove weld _____
a. has greater distortion b. has equal distortion c. requires twice the weld metal d. requires half the weld metal
What size screws and spacing is required for connecting structural sheathing to roof rafters?
A) #6, Self-drilling/tapping, 1/4" from edge B) #8 Type S, 1/4" from edge C) #6 Type S, 3/8" from edge D) #8 Self-drilling/tapping, 3/8" from edge
Bash is a freeware derivative of the Bourne and ____ shells.
A. Korn B. C C. csh D. tsh