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Author Question: A serious problem common only to three phase motors is: A) Excessive time on locked rotor ... (Read 118 times)

lb_gilbert

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on: Jul 24, 2018
A serious problem common only to three phase motors is:
 
  A) Excessive time on locked rotor amperage. B) Single phasing.
  C) Operation at voltages that are too high. D) Excessive load.

Question 2

What is the operating principle of an analog voltmeter?
 
  A) Current passes through a coil, which creates magnetism that moves a needle.
  B) Electronic chips are used to calculate the voltage level.
  C) Analog meters are no longer manufactured.
  D) Current passes through a series of lights, which indicates the voltage level by turning on the correct lights.


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scrocafella

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Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

A


lb_gilbert

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Reply 2 on: Jul 24, 2018
Gracias!

ryhom

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Reply 3 on: Yesterday
Excellent

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