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palantriel palantriel
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6 years ago
Compared to single phase motors, three phase motors are:
 
  A) More complicated and use more electricity.
  B) More common in small, fractional horsepower applications.
  C) Stronger starting with a higher operating efficiency.
  D) More versatile because they can be operated on either single phase or three phase power.

 Q. 2

When dealing with construction joints, care must be taken to ensure _____.
 
  a. they are not too close together
  b. a good bond between layers
  c. reinforcement is properly installed
  d. mating surfaces are smooth

 Q. 3

The two common winding configurations for 3 phase motors are:
 
  A) Wye and delta. B) Alpha and omega.
  C) Single phase and three phase. D) Rho and sigma.
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lorrkelly1lorrkelly1
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6 years ago
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palantriel Author
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#2
6 years ago
I wish all teachers could be as helpful as you instead of making us do things the complicated way...
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#3
6 years ago
It really depends on the course, never give up
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