EE MCQ
EE MCQ
Home
Quiz
Contact Us
Electrical Machines
Ward-Leonard control is basically a ___________ control method.
Armature voltage control.
Field diverter control.
Field control.
Armature resistance control.
Armature voltage control.
Field diverter control.
Field control.
Armature resistance control.
Answer
Download EE MCQ app
Related Question
Electrical Machines
If terminal voltage of one 1000 rpm shunt motor is reduced to half the speed of the motor will be
500 rpm
1000 rpm
2000 rpm
250 rpm
500 rpm
1000 rpm
2000 rpm
250 rpm
Answer
Download EE MCQ app
Electrical Machines
A smaller air gap in a induction motor helps to
increase the starting torque.
reduce the chance of cogging.
reduce the magnetizing current.
reduce the chance of crawling.
increase the starting torque.
reduce the chance of cogging.
reduce the magnetizing current.
reduce the chance of crawling.
Answer
Download EE MCQ app
Electrical Machines
The low voltage winding of a 400/230 V single phase 50 Hz transformer is to be connected to keep the magnetization current at the same level in both the cases the voltage at 25 Hz should be
65 V
230 V
115 V
460 V
65 V
230 V
115 V
460 V
Answer
Download EE MCQ app
Electrical Machines
A part an alternator winding consist of eight coils in series, each having an emf of 20 V rms induced in it. Coils are placed in successive slots and between each slot and the next, there is an electrical phase displacement of 30°. Find the emf of eight coils in series
56.91 V.
86.91 V.
76.91 V.
66.91 V.
56.91 V.
86.91 V.
76.91 V.
66.91 V.
Answer
Download EE MCQ app
Electrical Machines
Which of the following represents the rotating losses of machine?
Friction and windage losses
Eddy current losses
All of the them
Hysteresis losses
Friction and windage losses
Eddy current losses
All of the them
Hysteresis losses
Answer
Download EE MCQ app
Search
Login here
Google
Download our application
Android
Apple
Follow Us
Facebook
Telegram
Instagram