Synchronous Generator MCQs

Synchronous Generator MCQs

Synchronous Generator is also known as

Synchronous Generator is also known as:

1. Alternator
2. DC Generator
3. Both of these
4. None of these

Correct answer: 1. Alternator

The stator of an alternator rarely employs

The stator of an alternator rarely employs

1. Closed type slots
2. Wide open type slots
3. Semi-closed type slots
4. None of these

Correct answer: 1. Closed type slots

A turbo-alternator uses

A turbo-alternator uses:

1. Rotating AC armature winding
2. Salient-pole field structure
3. Non-salient-pole field structure
4. None of the above

Correct answer: 3. Non-salient-pole field structure

The synchronous reactance of alternator is due to

The synchronous reactance of alternator is due to:

1. Armature reaction
2. DC Field excitation
3. Leakage flux
4. None of the above

Correct answer: 1. Armature reaction

The voltage regulation of an alternator for PF of 0.8 lagging is X at unity PF

The voltage regulation of an alternator for PF of 0.8 lagging is X at unity PF:

1. Smaller than
2. Greater than
3. The same as
4. None of the above

Correct answer: 2. Greater than

The magnitude of EMF generated by an alternator depends on

The magnitude of EMF generated by an alternator depends on:

1. Rotor speed
2. Flux per pole
3. Number of poles
4. All of these

Correct answer: 4. All of these

When the alternator operates at a unity load power factor the effect of armature reaction is

When the alternator operates at a unity load power factor the effect of armature reaction is:

1. Wholly distorting
2. Wholly demagnetizing
3. Wholly magnetizing
4. Partly distorting, partly demagnetizing

Correct answer: 1. Wholly distorting

The frequency of EMF generated per revolution in an alternator is equal to

The frequency of EMF generated per revolution in an alternator is equal to:

1. Number of poles
2. Number of pair of poles
3. Twice the number of poles
4. Thrice the number of poles

Correct answer: 2. Number of pair of poles

The stator of an alternator is wound for ____________ on the rotor

The stator of an alternator is wound for ____________ on the rotor:

1. The same number of poles as
2. More number of poles than
3. Less number of poles than
4. None of the above

Correct answer: 1. The same number of poles as

Voltage regulation of an alternator is larger than that of a DC generator because of

Voltage regulation of an alternator is larger than that of a DC generator because of

1. Large leakage reactance
2. Large armature resistance
3. Complex effects of armature reaction
4. None of these

Correct answer: 3. Complex effects of armature reaction

More MCQs on Synchronous Generators

1. Synchronous Generator MCQs Part 1
2. Synchronous Generator MCQs Part 2
3. Synchronous Generator MCQs Part 3
4. Synchronous Generator MCQs Part 4
5. Synchronous Generator MCQs Part 5
6. Synchronous Generator MCQs Part 6
7. Synchronous Generator MCQs Part 7
8. Synchronous Generator MCQs Part 8
9. Synchronous Generator MCQs Part 9
10. Synchronous Generator MCQs Part 10
11. Synchronous Generator MCQs Part 11
12. Synchronous Generator MCQs Part 12
13. Synchronous Generator MCQs Part 13