EE MCQ
EE MCQ
Home
Quiz
Contact Us
Electrical Machines
In a three phase slip-ring induction motor, brushes are connected to
DC supply.
equalizing coils.
external star-connected resistors.
3 - Φ AC supply.
DC supply.
equalizing coils.
external star-connected resistors.
3 - Φ AC supply.
Answer
Download EE MCQ app
Related Question
Electrical Machines
The output power indicated on the name plate of any motor is always the
Output power at the shaft.
Power drawn in KVA.
Power drawn in KW.
Gross power.
Output power at the shaft.
Power drawn in KVA.
Power drawn in KW.
Gross power.
Answer
Download EE MCQ app
Electrical Machines
What is power factor of a 3 - φ induction motor at no load?
Same as full load.
Equal to 1.
Low.
High.
Same as full load.
Equal to 1.
Low.
High.
Answer
Download EE MCQ app
Electrical Machines
If the load current and flux of a DC motor are held constant and voltage applied across it armature is increased by 5%, the speed of the motor will
Remain unchanged.
Increase by 5%.
Depends on other factor.
Reduce by 5%.
Remain unchanged.
Increase by 5%.
Depends on other factor.
Reduce by 5%.
Answer
Download EE MCQ app
Electrical Machines
What is the frequency of a alternator, if P = number of poles and N = revolution made per second?
PN / 2 Hz.
120P / N Hz.
120 / PN Hz.
120N / P Hz.
PN / 2 Hz.
120P / N Hz.
120 / PN Hz.
120N / P Hz.
Answer
Download EE MCQ app
Electrical Machines
Which of the following is/are the advantages of carbon brush over the copper brush?
All of these
They are not hard as copper brush
They are self lubricating in nature
In case of any sparking they will be less damaged than copper brushes
All of these
They are not hard as copper brush
They are self lubricating in nature
In case of any sparking they will be less damaged than copper brushes
Answer
Download EE MCQ app
Search
Login here
Google
Download our application
Android
Apple
Follow Us
Facebook
Telegram
Instagram