EEE :: D.C. Motors
- Which of the following method of speed control of D.C. machine will offer minimum efficiency?
- A D.C. series motor is that which
- Sparking at the commutator of a D.C. motor may result in
- For which of the following applications a D.C. motor is preferred over an A.C. motor?
- Which D.C. motor has got maximum self relieving property?
- In a manual shunt motor starter
- In Ward-Leonard control the lower limit of speed is imposed by
- Which motor should not be started on no-load?
- The speed of a D.C. shunt motor is required to be more than full load speed. This is possible by
- D.C. motor is to a drive a load which is almost nil for certain part of the load cycle and peak value for short duration. We will select this
Whatsapp
Facebook
|
A.
Over load relay is connected in series and no volt relay in parallel with the load |
|
B.
Over load relay is connected in parallel and no volt relay in series with the load |
|
C.
Over load relay and no volt relay are both connected in series with the load |
|
D.
Over load relay and no volt relay are both connected in parallel with the load |