Synchronous Generator MCQs Part 2

Synchronous Generator MCQs Part 2

On the majority of alternators in use, they have

On the majority of alternators in use, they have:

  1. Stationary field type construction
  2. Revolving field type construction
  3. Revolving AC armature winding
  4. None of the above

Correct answer: 2. Revolving field type construction

Voltage regulation of an alternator supplying resistive or inductive load is

Voltage regulation of an alternator supplying resistive or inductive load is:

  1. Always positive
  2. Always negative
  3. Either of above
  4. None of above

Correct answer: 1. Always positive

With increase in speed the efficiency of the turbo-alternator

With increase in speed the efficiency of the turbo-alternator:

  1. Increases
  2. Decreases
  3. Remains unchanged
  4. None of the above

Correct answer: 1. Increases

The most common type of prime mover employed for slow speed alternator is

The most common type of prime mover employed for slow speed alternator is

  1. Diesel engine
  2. Petrol engine
  3. Steam turbine
  4. Water turbine

Correct answer: 4. Water turbine

In case of a full-pitched winding. Induced EMF in both coil sides are

In case of a full-pitched winding. Induced EMF in both coil sides are:

  1. Additive
  2. Subtractive
  3. In quadrature
  4. None of these

Correct answer: 1. Additive

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