Basic Of Electical System

8 Questions | Total Attempts: 275

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Basic Of Electical System - Quiz

Just it will test the basic of electrical.


Questions and Answers
  • 1. 
    How many phases are used in India.at generation station.
    • A. 

      3

    • B. 

      4

    • C. 

      2

    • D. 

      1

    • E. 

      Depend

  • 2. 
    What is the relation between synchronous speed , frequency and no. of poles.
    • A. 

      120*f*p

    • B. 

      F*p/120

    • C. 

      120*f/p

    • D. 

      P/(120*f)

    • E. 

      P*f

  • 3. 
    Induction motor works on which type of supply.
    • A. 

      Alternating Current

    • B. 

      Direct Current

    • C. 

      Either

    • D. 

      Both

    • E. 

      Battery

  • 4. 
    Which one is not type of circuit breaker?
    • A. 

      Air circuit breaker

    • B. 

      Vacuum circuit breaker

    • C. 

      Minimum oil circuit breaker

    • D. 

      Maximum oil circuit breaker

  • 5. 
    Max. transmission voltage in India is?
    • A. 

      22kv

    • B. 

      440kv

    • C. 

      765kv

    • D. 

      500kv

    • E. 

      11kv

  • 6. 
    What is rms?
    • A. 

      Root Mean Square

    • B. 

      Root mean system

    • C. 

      Route mean square

    • D. 

      Route mean square

  • 7. 
    Fill up the formula for transformer: V1*N2=V2*?
  • 8. 
    What are the color for three phase?
    • A. 

      Red, yellow , blue

    • B. 

      Red, yellow , black

    • C. 

      Red , yellow , white

    • D. 

      Red , yellow, orange

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