Electrical Machines
Scott connections are used for

 three phase to single phase transformation.
 any of the above.
 single phase to three phase transformation.
 three phase to two phase transformation.

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Electrical Machines
The damper windings also called the squirrel cage windings or damper grids

  are provided on the stator for improving power factor.
  consists of short-circuited copper bars embedded in the field pole faces.
  both (A) and (B).
  are provided in a synchronous motor to make it self starting.

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Electrical Machines
In case of a DC Shunt motor if the load is decreased to some extent, what will happen to its speed?

 The speed will increase in proportion to reduction in load.
 The speed will remains almost constant.
 The speed will increase abruptly.
 The speed will increase gradually.

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