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Three Phase Induction Motors

Three Phase Induction Motors
In medium sized induction motor, the slip is generally around

14%
0.4 %
4 %
0.04 %

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Three Phase Induction Motors
For higher efficiency of 3-phase induction motor, the slip should be

As small as possible
1
Very large
Large

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Three Phase Induction Motors
The number of slip rings on a squirrel cage induction motor is usually

Three
None
Two
One

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Three Phase Induction Motors
The condition of induction motor on load resemble those of a transformer whose secondady is _______

Supplying a variable resistive load
Open circuited
Short circuited
None of the listed here

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Three Phase Induction Motors
In an induction motor the relationship between stator slots and rotor slots is that

Stator slots are not exact multiple of rotor slots
Stator slots are equal to rotor slots
None of the listed here
Stator slots are exact multiple of rotor slots

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Three Phase Induction Motors
Slip rings are usually made of

Aluminium
Copper
Phospor bronze
Carbon

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MORE MCQ ON Three Phase Induction Motors

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