EE MCQ
EE MCQ
Home
Quiz
Contact Us
Synchronous Motors
The efficiency of a properly designed synchronous motor will usually fall in range
99 to 99.5%
85 to 95%
75 to 80%
60 to 70%
99 to 99.5%
85 to 95%
75 to 80%
60 to 70%
Answer
Download EE MCQ app
Related Question
Synchronous Motors
Mostly, synchronous motors are of
Smooth cylindrical type machines
Salient pole type machines
Induction type machines
Alternator type machines
Smooth cylindrical type machines
Salient pole type machines
Induction type machines
Alternator type machines
Answer
Download EE MCQ app
Synchronous Motors
In a 3-phase synchronous motor, the negative phase sequence exists when the motor is
None of these
under-loaded
over-loaded
supplied with unbalanced voltage
None of these
under-loaded
over-loaded
supplied with unbalanced voltage
Answer
Download EE MCQ app
Synchronous Motors
In a synchronous motor, the rotor copper loss are met by ______
Motor input
Dc source
Supply lines
Armature input
Motor input
Dc source
Supply lines
Armature input
Answer
Download EE MCQ app
Synchronous Motors
The armature current of the synchronous motor has higher values for
None of the listed here
Low excitation only
Both higher and low excitation
Higher excitation only
None of the listed here
Low excitation only
Both higher and low excitation
Higher excitation only
Answer
Download EE MCQ app
Synchronous Motors
Power factor of a synchronous motor is unity when
The armature current is maximum
The armature current is minimum
The armature current is zero
None of the listed here
The armature current is maximum
The armature current is minimum
The armature current is zero
None of the listed here
Answer
Download EE MCQ app
Search
Login here
Google
Download our application
Android
Apple
Follow Us
Facebook
Telegram
Instagram