EE MCQ
EE MCQ
Home
Quiz
Contact Us
Electrical Machines
If residual magnetism of a shunt generator is destroyed accidentally it may be restored by connecting its shunt field
to a DC source.
in reverse.
to earth.
to an AC source.
to a DC source.
in reverse.
to earth.
to an AC source.
Answer
Download EE MCQ app
Related Question
Electrical Machines
A DC series motor must started on no load because it would
Run at dangerously high speed.
Not develop starting torque.
Fail to start without load.
Draw more current without producing sufficient torque.
Run at dangerously high speed.
Not develop starting torque.
Fail to start without load.
Draw more current without producing sufficient torque.
Answer
Download EE MCQ app
Electrical Machines
The armature core of the rotor bars of dc motors are laminated
to reduce mechanical losses.
to provide better flux linkage.
to reduce hysteresis loss.
to reduce eddy current loss.
to reduce mechanical losses.
to provide better flux linkage.
to reduce hysteresis loss.
to reduce eddy current loss.
Answer
Download EE MCQ app
Electrical Machines
If in DC Shunt Motor the flux is reduced suddenly to zero, then
the motor will attain dangerously high speed.
the armature current will reduce.
the speed of motor will be reduced.
the motor will come to stop.
the motor will attain dangerously high speed.
the armature current will reduce.
the speed of motor will be reduced.
the motor will come to stop.
Answer
Download EE MCQ app
Electrical Machines
In a lap winding dc machine number of conductors are 100 and number of parallel paths are 10. Find the average pitch
1
10
100
50
1
10
100
50
Answer
Download EE MCQ app
Electrical Machines
Which of the following alternators contain large number of poles?
Aame in both alternators.
Hydro alternators.
None of these
Turbo alternators.
Aame in both alternators.
Hydro alternators.
None of these
Turbo alternators.
Answer
Download EE MCQ app
Search
Login here
Google
Download our application
Android
Apple
Follow Us
Facebook
Telegram
Instagram