EE8601_SSD_UNIT 3_QUIZ

EE8601_SSD_UNIT 3_QUIZ

University

30 Qs

quiz-placeholder

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EE8601_SSD_UNIT 3_QUIZ

EE8601_SSD_UNIT 3_QUIZ

Assessment

Quiz

Other

University

Hard

Created by

Elavarasu Ramalingam

Used 3+ times

FREE Resource

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Advantage of slip ring induction motor over squirrel cage induction motor is

Suitability of high speeds

Higher efficiency

Higher power factor

That it can be started using factor resistance

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In an induction motor, the rotor input is 600 W and slip is 4%. The rotor copper loss is

700 W

625 W

600 W

650 W

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The starting torque of a cage rotor induction motor can be increased by using rotor having

Low inductance and low resistance

Low inductance and high resistance

High inductance and high resistance

High inductance and low resistance

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

For smooth starting of three-phase squirrel cage induction motor, the starting method preferred is

Rotor resistance

Star-delta

Auto-transformer

Stator resistance

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Large air gap in an induction motor results in

Reduced noise

Reduced pulsation losses

Better cooling

Increased overload capacity

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The power factor of star connected induction motor is 0.5. On being connected in delta, the power factor will?

Increase

Reduce

Remain the same

Become zero

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplest method of eliminating the harmonic induction torque is

Integral slot winding

Chording

Skewing

None of these

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