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Electrical Engineering Mcqs — Test 21

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Question 1
For which motor the speed can be controlled from rotor side ?
Question 2
Rotor rheostat control method of speed control is used for____________?
Question 3
If any two phases for an induction motor are interchanged_______?
Question 4
An induction motor is__________?
Question 5
The maximum torque in an induction motor depends on___________?
Question 6
In three-phase squirrel-cage induction motors____________?
Question 7
In a three-phase induction motor, the number of poles in the rotor winding is always__________?
Question 8
DOL starting of induction motors is usually restricted to_____________?
Question 9
The speed of a squirrel-cage induction motor can be controlled by all of the following except_____________?
Question 10
The ‘crawling” in an induction motor is caused by___________?