Electrical Machines
A single phase, 2 KV alternator has an armature resistance of 0.8 ohms and 4.94 ohms respectively. The voltage regulation of the alternator at 100 a load 0.8 loading power factor is

 0%.
  8.9%.
 14%.
 7%.

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Electrical Machines
In a transformer

 OC test is conducted on LV side and SC test is conducted on HV side
 OC test is conducted on HV side and SC test is conducted on LV side
 both Oc and SC tests are conducted on HV side
 both OC and SC tests are conducted on LV side

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Electrical Machines
The coil spam

 must be exactly equal to people pitch.
  may or may not be exactly equal to people pitch.
 none of above.
 can never be equal to pole pitch.

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Electrical Machines
Due to magnetic saturation, the flux per pole in a DC machine without brush shift

 increases in both the generators and the motors with load.
 increases in generators but decreases in motor with load.
  decreases in both generators and the motors with load.
 decreases in generators and increases in motor with load.

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