Electric Machine Daily Quiz #26

Which of the following is not an electric machine?

1. Shaded pole Motor
2. Transformer
3. Stepper Motor
4. Universal Motor

Window Space Factor is related to-

1. Transformer
2. Induction Motor
3. Synchronous Motor
4. DC Machine

Induced emf ________ the flux in the primary wdg.

1. Lags by 90 degree
2. Leads by 90 degree
3. Is in phase with
4. Out of phase with

The rms voltage produced in the primary wdg is proportional to-

1. Instantaneous value of primary flux
2. Maximum value of primary flux
3. rms value of primary flux
4. avg value of primary flux

The turn ratio is-

1. the ratio of primary wdg turns to secondary wdg turns
2. the ratio of secondary wdg turns to primary wdg turns
3. the ratio of hv wdg voltage to lv wdg voltage
4. the ratio of lv wdg voltage to hv wdg voltage