Capillary tube metering devices are commonly used today in:
A) Commercial refrigeration rack systems. B) Low pressure chillers.
C) Large spit system air conditioning systems. D) Window units.
D
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The NEC® requires motor disconnecting means be _____.
a. 8 feet or more above the floor b. within sight of the controller location c. guarded d. installed so access is limited to qualified persons
What is the subcooling if the condensing temperature is 115° and the liquid line is 100 °?
a. 30° b. 25° c. 20° d. 15°
Protons are:
A) Negatively charged particles located in the outer part of the atom. B) Positively charged particles located in the outer part of the atom. C) Positively charged particles located in the center of the atom. D) Negatively charged particles located in the center of the atom.
The stairwell is the opening in the floor for the stair framing to pass through.
Answer the following statement true (T) or false (F)