Electrical Machines The flux involved in the emf equation of a transformer has rms value. maximum value. average value. total value. rms value. maximum value. average value. total value. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 6 pole DC machine, 90 mechanical degrees correspond to which of the following electrical degree? 180. 270. 30. 45. 180. 270. 30. 45. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following winding is connected in series with armature winding of DC machine? Compensating winding. Auxiliary winding. Commutating pole winding. Both Compensating and Commutating pole winding. Compensating winding. Auxiliary winding. Commutating pole winding. Both Compensating and Commutating pole winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the no-voltage release in a DC motor starter fails to operate on failure of supply, on resumption of supply the motor will get damaged. not start automatically. start automatically without trouble. develop very low starting torque. get damaged. not start automatically. start automatically without trouble. develop very low starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eg (generated emf) and Eb (back emf) both are changes. none of above. same. different. changes. none of above. same. different. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Fifth harmonic component of the induced voltage in three phase AC generator can be eliminated by using a winding pitch of 6 / 7. 2 / 3. 4 / 5. 5 / 6. 6 / 7. 2 / 3. 4 / 5. 5 / 6. ANSWER DOWNLOAD EXAMIANS APP
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