Induction Motor MCQs Part 26
Electrical Engineering MCQ on Induction Motor Part 26
The repulsion start induction run motor is employed because of
The repulsion start induction run motor is employed because of
- Good power factor
- High efficiency
- High starting torque
- Minimum cost
Correct answer: 3. High starting torque
Contents
The motor that has highest starting torque
The motor that has highest starting torque
- Capacitor-start motor
- Repulsion motor
- Shaped pole motor
- 0
Correct answer: 1. Capacitor-start motor
The single-phase induction motor that is generally used in time phonographs
The single-phase induction motor that is generally used in time phonographs
- Capacitor start capacitor run
- Resistance start
- Shaded pole
- Universal
Correct answer: 3. Shaded pole
The speed and load characteristics of a universal motor are identical to
The speed and load characteristics of a universal motor are identical to
- DC Motor
- DC Series motor
- DC Shunt motor
- None of these
Correct answer: 2. DC Series motor
The most common cause of brush sparking in a universal motor is
The most common cause of brush sparking in a universal motor is
- High commutator mica
- Open armature winding
- Shorted armature or field winding
- All of these
Correct answer: 4. All of these