EE MCQ
EE MCQ
Home
Quiz
Contact Us
Electrical Machines
Universal motor have which of the following application?
Traction.
Food mixer.
Domestic pump.
Lift.
Traction.
Food mixer.
Domestic pump.
Lift.
Answer
Download EE MCQ app
Related Question
Electrical Machines
If the full load speed of 3-phase, 50Hz induction motor is 950 rpm, what is its half load speed nearly equals to?
1000 rpm
940 rpm
975 rpm
950 rpm
1000 rpm
940 rpm
975 rpm
950 rpm
Answer
Download EE MCQ app
Electrical Machines
Skewing of the rotor in a 3 - Φ squirrel cage induction motor reduces
noise and pullout torque, but increase parasitic and starting torque.
noise and parasitic torque, but increase starting and pull-out torque.
noise, parasitic torque, starting torque and pull out torque.
noise, parasitic and starting torque, but increase pull out torque.
noise and pullout torque, but increase parasitic and starting torque.
noise and parasitic torque, but increase starting and pull-out torque.
noise, parasitic torque, starting torque and pull out torque.
noise, parasitic and starting torque, but increase pull out torque.
Answer
Download EE MCQ app
Electrical Machines
The magnetic field which initially induces emf in the armature in a self excited DC generator is because of
armature reaction.
permanent magnets.
residual magnetism.
None of these
armature reaction.
permanent magnets.
residual magnetism.
None of these
Answer
Download EE MCQ app
Electrical Machines
For high current and low voltage rating which winding is employed to DC machine?
Both wave and lap winding.
Wave winding.
No wave and lap winding.
Lap winding.
Both wave and lap winding.
Wave winding.
No wave and lap winding.
Lap winding.
Answer
Download EE MCQ app
Electrical Machines
A 500 V, 55 kVA single phase alternator has an effective resistance of 0.5 Ω. An excitation current of 10 A produces 200 A armature current on short circuit and an emf of 450 V on per circuit. The synchronous reactance will be
25.564 Ω.
2.74 Ω.
2.241 Ω.
2.781 Ω.
25.564 Ω.
2.74 Ω.
2.241 Ω.
2.781 Ω.
Answer
Download EE MCQ app
Search
Login here
Google
Download our application
Android
Apple
Follow Us
Facebook
Telegram
Instagram