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