The direction of rotation of a three-phase motor can be reversed by __________.

A. reconnecting L1 to L2, L2 to L3, and L3 to L1
B. disconnecting one of the leads and then reconnecting it after the motor is at full speed
C. reversing any two of the three line connections
D. all of the above


Answer: C

Trades & Technology

You might also like to view...

The driver's side air bag has a(n) ____________________. It delivers the electrical signal from the air bag module to the steering wheel to deploy the air bag in case of an accident.

Fill in the blank(s) with the appropriate word(s).

Trades & Technology

To improve drainage, _____ the bed level and dig a _____ trench around it and add _____ to the soil

A) raise, shallow, peat moss B) lower, shallow, peat moss C) raise, deep, pine bark D) raise, shallow, pine bark

Trades & Technology

The four layers of the atmosphere, from lowest to highest, are the ____________________, the ____________________, the ____________________, and the ____________________

Fill in the blank(s) with correct word

Trades & Technology

A 12 volt test light is a good tool for testing voltage levels

Indicate whether the statement is true or false

Trades & Technology