Electrical Machines The emf induced in the dc generator armature winding is DC None of these AC and DC AC DC None of these AC and DC AC ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider the following statements : 1. interpole windings are connected in series with armature windings 2. polarity of interpoles must be the same as that of the main poles in advance 3. distortion of the main field under the pole shoes is not affected by the use of interpoles From above, the correct answer is 2 and 3 1 and 2 1 and 3 1 alone 2 and 3 1 and 2 1 and 3 1 alone ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature core of a DC machine is laminated to minimise mechanical loss eddy-current loss temperature rise hysteresis loss mechanical loss eddy-current loss temperature rise hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 8-pole, DC generator has a simplex wave-wound armature containing 32 coils of 6 turns each. Its flux per pole is 0.06 Wb. The machine is running at 250 rpm. The induced armature voltage is 768 V 384 V 192 V 96 V 768 V 384 V 192 V 96 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of stator rotating magnetic field (RMF) with respect to rotor is S.Ns Zero Ns Nr S.Ns Zero Ns Nr ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Regenerative braking is not found in which motor? DC shunt. DC series. Induction motor. DC compound. DC shunt. DC series. Induction motor. DC compound. ANSWER DOWNLOAD EXAMIANS APP
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