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codytheaggie codytheaggie
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6 years ago
According to NEMA definitions, which of the following is a type of open motor?
 
  a. Nonventilated
  b. Explosion-proof
  c. Weather-protected
  d. Water-to-air-cooled

 Q. 2

The current in a parallel circuit:
 
  A) Drops across each load.
  B) Increases as more loads are added.
  C) Stays the same throughout the circuit.
  D) Is directly proportional to each load's current draw.

 Q. 3

In a parallel compressor system, oil often does not return at the same rate to all of the compressors because:
 
  A) All the compressors do not use the same type of refrigerant oil.
  B) All the compressors do not operate for the same length of time.
  C) Parallel compressors are normally stacked vertically, so most of the returning oil returns to the crankcase of the bottom compressor.
  D) Only some of the compressors require oil return.
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ajx47ajx47
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6 years ago
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codytheaggie Author
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#2
6 years ago
All are answered correctly
wrote...
#3
6 years ago
Happy to help
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