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Computer Programming MCQs — Test 21

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Question 1
The injected e.m.f. in the rotor of induction motor must have__________?
Question 2
An induction motor is identical to_________?
Question 3
Which of the following methods is easily applicable to control the speed of the squirrel-cage induction motor _____________?
Question 4
The crawling in the induction motor is caused by____________?
Question 5
The auto-starters (using three auto transformers) can be used to start cage induction motor of the following type__________?
Question 6
The torque developed in the cage induction motor with autostarter is___________?
Question 7
When the equivalent circuit diagram of doouble squirrel-cage induction motor is constructed the two cages can be considered__________?
Question 8
It is advisable to avoid line-starting of induction motor and use starter because__________?
Question 9
Stepless speed control of induction motor is possible by which of the following methods ?
Question 10
In the circle diagram for induction motor, the diameter of the circle represents____________?