To check level conditions over a significant distance, such as a building foundation or longer distance, the best
level to use is a _____.
a. torpedo level
b. laser level
c. digital level
d. spirit level
b
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Efflorescence in masonry refers to _______.
A) yellow spots in masonry walls. B) excessive chippage of masonry units. C) excessive warpage of masonry units. D) white spots in masonry walls. E) none of the above.
In the ____, as the elevation increases, the temperature also increases because the atmospheric gases absorb the sun's ultraviolet light energy as a form of energy that we perceive as heat
A) thermosphere B) troposphere C) exosphere D) stratosphere
When a(n) ____ is in the neutral plane, no torque is produced.
a. armature b. magnet c. coil d. loop
Can zeotropes be metered in with the unit operating?
A) Yes, by slightly cracking open the low-side manifold valve and then closing it B) No, if an early R-410A cylinder with a dip tube is being used C) Yes, only if the temperature exposure of the cylinder is above 125°F D) No, as the system must be turned off first