Synchronous Generator MCQs
Synchronous Generator MCQs
Contents
Synchronous Generator is also known as
Synchronous Generator is also known as:
- Alternator
- DC Generator
- Both of these
- None of these
Correct answer: 1. Alternator
The stator of an alternator rarely employs
The stator of an alternator rarely employs
- Closed type slots
- Wide open type slots
- Semi-closed type slots
- None of these
Correct answer: 1. Closed type slots
A turbo-alternator uses
A turbo-alternator uses:
- Rotating AC armature winding
- Salient-pole field structure
- Non-salient-pole field structure
- 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:
- Armature reaction
- DC Field excitation
- Leakage flux
- 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:
- Smaller than
- Greater than
- The same as
- 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:
- Rotor speed
- Flux per pole
- Number of poles
- 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:
- Wholly distorting
- Wholly demagnetizing
- Wholly magnetizing
- 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:
- Number of poles
- Number of pair of poles
- Twice the number of poles
- 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:
- The same number of poles as
- More number of poles than
- Less number of poles than
- 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
- Large leakage reactance
- Large armature resistance
- Complex effects of armature reaction
- None of these
Correct answer: 3. Complex effects of armature reaction
More MCQs on Synchronous Generators
- Synchronous Generator MCQs Part 1
- Synchronous Generator MCQs Part 2
- Synchronous Generator MCQs Part 3
- Synchronous Generator MCQs Part 4
- Synchronous Generator MCQs Part 5
- Synchronous Generator MCQs Part 6
- Synchronous Generator MCQs Part 7
- Synchronous Generator MCQs Part 8
- Synchronous Generator MCQs Part 9
- Synchronous Generator MCQs Part 10
- Synchronous Generator MCQs Part 11
- Synchronous Generator MCQs Part 12
- Synchronous Generator MCQs Part 13