Electrical Machines
Centrifugal switch is absent in which of the single phase induction motor?

None of these
 Split phase motor.
  PSC (permanent split capacitor) motor.
 Shaded pole motor.

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Electrical Machines
A compound dc generator is delivering full load current at a terminal voltage of 230 V. Its series-field winding gets short circuited. If its terminal voltage 1. becomes more than 230 V, it is overcompounded generator 2. becomes more than 230 V, it is differentially compounded generator 3. becomes less than 230 V, it is overcompounded generator 4. becomes less than 230 V, it is differentially compounded generator 5. becomes less than 230 V, it is level compounded generator From these, the correct answer is

 2,3
 1, 4, 5
 1, 4
 2, 3, 5

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