EE MCQ
EE MCQ
Home
Quiz
Contact Us
Electrical Machines
Capacitor start capacitor run provides
high staring torque and high power factor.
high power factor only.
high staring torque only.
none.
high staring torque and high power factor.
high power factor only.
high staring torque only.
none.
Answer
Download EE MCQ app
Related Question
Electrical Machines
For larger units high torque it is preferred to use
Partial motor.
Slip induction motor.
Universal motor.
DC shunt motor.
Partial motor.
Slip induction motor.
Universal motor.
DC shunt motor.
Answer
Download EE MCQ app
Electrical Machines
A DC compound motor has
only shunt field winding.
both shunt and series field winding.
only series field winding.
tertiary winding.
only shunt field winding.
both shunt and series field winding.
only series field winding.
tertiary winding.
Answer
Download EE MCQ app
Electrical Machines
If the applied voltage of a certain transformer is increased by 50% and the frequency is reduced by 50%, the maximum flux density will (assuming that the magnetic circuit remains unsaturated)
changes to 1.5 times the original value
remain the same as the original
changes to three times the original value
changes to 0.5 times the original value
changes to 1.5 times the original value
remain the same as the original
changes to three times the original value
changes to 0.5 times the original value
Answer
Download EE MCQ app
Electrical Machines
For small value armature current Ia the torque developed by a DC series motor is proportional to
Ia2.
1/Ia.
Ia.
√Ia.
Ia2.
1/Ia.
Ia.
√Ia.
Answer
Download EE MCQ app
Electrical Machines
A 4 pole dynamo with wave wound armature has 51 slots contains 20 conductors in each slot. If induced emf 357 Volts and speed is 8500 rpm, flux per pole will be
1.4 mWb.
2.7 mWb.
3.5 mWb.
1.2 mWb.
1.4 mWb.
2.7 mWb.
3.5 mWb.
1.2 mWb.
Answer
Download EE MCQ app
Search
Login here
Google
Download our application
Android
Apple
Follow Us
Facebook
Telegram
Instagram