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skyleton skyleton
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6 years ago
Before changing accessories or performing maintenance on a power tool, make sure _____.
 
  a. it is turned off
  b. your hands are dry
  c. to have a clean work surface
  d. the power is disconnected

 Q. 2

The start capacitor for fractional horsepower, open type capacitor start motors is removed from the circuit by:
 
  A) A centrifugal switch. B) The normally closed points on the motor relay.
  C) A normally open, manual pushbutton switch. D) A hall effect sensing switch.

 Q. 3

Why should liquid refrigerant not be introduced into an evacuated chiller?
 
  A) The liquid can flash at sub-freezing temperatures and freeze the chiller bundles.
  B) Liquid charging is slow and chillers hold a lot of refrigerant.
  C) The liquid refrigerant might boil and overheat the water in the chiller.
  D) Adding refrigerant would ruin the vacuum.
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leticia1977leticia1977
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6 years ago
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skyleton Author
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#2
6 years ago
Thanks ... 100% Correct  Thumbs Up Sign
wrote...
#3
6 years ago
You're very welcome
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