What are the available weights of copper tubing?
Fill in the blank(s) with the appropriate word(s).
K, L, M, and DWV
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In reference to natural habitats, ecologists think in terms of moisture regimes—soil moisture
conditions during the growing season.
Indicate whether the statement is true or false.Conditions that can be used to initiate a defrost cycle include
A) high compressor amp draw, low outdoor temperature, or time B) time, high compressor amp draw, high discharge line temperature C) high static pressure drop across the outdoor coil, low liquid line temperature, or time D) low static pressure drop across the outdoor coil, high compressor amp draw, low suction line temperature
Before using a voltage tester, check to make sure it is functioning correctly by _____
A) checking it with a multimeter B) connecting it to a known energized source C) touching the leads together D) grounding the leads
When an offset section is used, ____.
A. the section shows dark vertical lines where the cutting plane lines changed direction at 90° B. hidden lines and centerlines are usually ignored C. the cutting plane line normally extends completely through the object to clearly display the location of the section D. the cutting plane line is drawn completely through the object usually along a center plane E. none of the above