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Electrical Machines

Electrical Machines
Belt conveyors offer _______________ starting torque.

  medium.
  low.
  high.
  zero.

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Electrical Machines
Voltage regulation of transformer is given by

 (E2 - V2) / E2
 (V2 - E2) / V2
 (V2 - E2) / E2
 (E2 - V2) / V2

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Electrical Machines
Fufuraldehyde analysis is done to determine the

  condition of paper insulation in transformer.
 condition of lamination on CRGO steel sheet.
 condition of cork gaskets used in transformer.
 condition of oil in transformer.

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Electrical Machines
In an auto transformer, for what value of turn ratio, power transferred by inductively and conductively are same?

 1
 any of the above
 0
 0.5

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Electrical Machines
A motor operates in stable region at which of the following slip?

 low slip region
 both 1 and 2
 unity slip
 high slip region

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Electrical Machines
Transformers operating in parallel will share the load depending upon their

 rating.
 efficiency.
 percentage impedance.
 leakage reactance.

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