ALTERNATOR 1

Create an image of an electrical engineer working on a large alternator in a factory, with visible machinery and diagrams of alternators on a whiteboard, bright and engaging atmosphere.

Test Your Knowledge on Alternators

Welcome to the Alternator Quiz! This quiz is designed to assess your understanding of alternators, their types, functions, and applications in electrical engineering. Whether you're a student, a professional, or someone with a keen interest in the subject, this quiz offers a valuable opportunity to enhance your knowledge.

Challenge yourself with questions covering:

  • Synchronous machine speeds
  • Types of exciters
  • Fundamental principles of alternator operation
  • Rotors for different applications
10 Questions2 MinutesCreated by WiringWizard42
1.The speed of a 4 pole 60Hz synchronous machine will be _____________.
1800 rpm
2400 rpm
3000 rpm
3600 rpm
2. An exciter is a ________________
DC series motor
DC shunt motor
DC shunt generator
DC series generator
3. In an alternator the voltage generated per phase is proportional to ______
Number of turns in coil
Flux per pole
Frequency of waveform
All of the above
4. Salient pole type alternators are generally used on ____________
Low voltage altesrnator
Hydrogen cooled primemovers
High speed primemovers
Low and medium speed primemovers
5. The frequency of voltage generated in large alternators is __________
50 HZ
60HZ
In kilo cycles
In mega cycles
6. Turbo alternators are generally used to run at ____________
750 rpm
1500rpm or 3000 rpm
5000 rpm
15000 rpm
7. The number of poles in turbo alternators are usually ___________
2 or 4
24
12
50
8. In huge alternators, the moving part is _____________
Brushes
Poles
Armature
None of the above
9. The rotor preferred for alternators applied to hydraulic turbines are ___
Salient pole type
Cylindrical rotor type
Solid rotor type
Any of the above
10. What kind of rotor is most suitable for turbo-alternators which are designed to run at high speed?
Salient pole type
Non-salient pole type
Either a or b
None of the above
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