Electrical Machines What is/are the necessary conditions for parallel operation of alternators? Speed of alternators should be same Terminal voltage is same Both 1and 2 Frequency should be same Speed of alternators should be same Terminal voltage is same Both 1and 2 Frequency should be same ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 8 pole, 50 Hz single phase induction motor is running at 690 rpm. Its slip with respect to forward field is -0.08 -1.92 0.08 1.92 -0.08 -1.92 0.08 1.92 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Open circuit test on transformer gives hysteresis loss both 1and 2 eddy current loss copper loss hysteresis loss both 1and 2 eddy current loss copper loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If any two leads from slip rings are interchanged in a 3 - Φ induction motor, the motor will not run. run in a direction opposite to previous one. continue running in the same direction as before. get damaged. not run. run in a direction opposite to previous one. continue running in the same direction as before. get damaged. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which motor cannot be started on no load? shunt motors cumulative compound motors series motors both B and C shunt motors cumulative compound motors series motors both B and C ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature mmf of a DC machine has triangular space distribution and is stationary in space. trapezoidal space distribution and is stationary in space. stepped distribution and rotates at the speed of armature. triangular space distribution and rotates at the speed of armature. triangular space distribution and is stationary in space. trapezoidal space distribution and is stationary in space. stepped distribution and rotates at the speed of armature. triangular space distribution and rotates at the speed of armature. ANSWER DOWNLOAD EXAMIANS APP
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