EE MCQ
EE MCQ
Home
Quiz
Contact Us
Single Phase Motors
If a DC series motor is operated on AC supply, it will
All of the listed here
Have poor efficiency
Spark excessively
Have poor power factor
All of the listed here
Have poor efficiency
Spark excessively
Have poor power factor
Answer
Download EE MCQ app
Related Question
Single Phase Motors
Which of the following motors is inherently self starting?
Reluctance motor
Shaded pole motor
Split motor
None of the listed here
Reluctance motor
Shaded pole motor
Split motor
None of the listed here
Answer
Download EE MCQ app
Single Phase Motors
A 50 Hz, 4- pole single phase induction motor will have a synchronous speed of ______
None of the listed here
1500 rpm
1200 rpm
750 rpm
None of the listed here
1500 rpm
1200 rpm
750 rpm
Answer
Download EE MCQ app
Single Phase Motors
Which of the following single-phase motors has relatively poor starting torque ?
Repulsion motor
Universal motor
All single phase motors have zero starting torque
Capacitor motor
Repulsion motor
Universal motor
All single phase motors have zero starting torque
Capacitor motor
Answer
Download EE MCQ app
Single Phase Motors
Hysteresis motor is particularly useful for high-quality record players and tape-recorders because
it can be easily manufactured in extremely small sizes of up to 1 W output
it is not subject to any magnetic or mechanical vibrations
it develops hysteresis torque which is extremely steady both in amplitude and phase
it revolves synchronously
it can be easily manufactured in extremely small sizes of up to 1 W output
it is not subject to any magnetic or mechanical vibrations
it develops hysteresis torque which is extremely steady both in amplitude and phase
it revolves synchronously
Answer
Download EE MCQ app
Single Phase Motors
In a universal motor, the most common cause of brush sparking is
all of these
high commutator mica
open armature winding
shorted field winding?
all of these
high commutator mica
open armature winding
shorted field winding?
Answer
Download EE MCQ app
Search
Login here
Google
Download our application
Android
Apple
Follow Us
Facebook
Telegram
Instagram