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studyperfect studyperfect
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6 years ago
Alternating current frequency is measured in:
 
  A) Watts. B) Amps. C) Volts. D) Hertz.

 Q. 2

The hot gas lines need to be insulated:
 
  A) Always.
  B) For systems using HFC refrigerants.
  C) If they are exposed to cold temperatures that could cause the refrigerant to condense in the line.
  D) Never.

 Q. 3

Due to the absence of any moving electrical contacts, which type of motor should be used where the motor is
  exposed to flammable dust or gas?
 
  a. AC motor
  b. Shunt motor
  c. Squirrel cage induction motor
  d. Two loop DC motor
  AGRICULTURAL MECHANICS AND METAL TECHNOLOGIES - TX. ED., VOL. 1 MODULE 26202-14 EXAM 5
  Copyright  2017 NCCER. Permission is granted to reproduce this page provided that copies are for local use only and that each copy
  contains this notice.
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suncssuncs
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6 years ago
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studyperfect Author
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#2
6 years ago
Electric Light Bulb All of these are right, thanks!
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