A.C. network analyser is used to solve problems of_______________?

Related Mcqs:

1. The short circuit in any winding of the transformer is the result of_______________?

   A. mechanical vibration B. insulation failure C. loose connection D. impulse voltage...

2. A balanced 3-phase system consists of_______________?

   A. zero sequence currents only B. positive sequence currents only C. negative and zero sequence currents D. zero, negative and positive sequence currents...

3. The power loss is an important factor for the design of_______________?

   A. transmission line B. motor C. generator D. feeder...

4. In order that current should flow without causing excessive heating or voltage drop, the relay contacts should_________________?

   A. have low contact resistance B. be clean and smooth C. be of sufficient size and proper shape D. have all above properties...

5. Relays can be designed to respond to changes in________________?

   A. resistance, reactance or impedance B. voltage and current C. light intensity D. temperature E. all above...

6. Ionization in circuit breaker is facilitated by___________?

   A. high temperature B. increase of mean free path C. increasing field strength D. all of the above...

7. Which of the following is the least expensive protection for overcurrent is low voltage system ?

   A. Rewireable fuse B. Isolator C. Oil circuit breaker D. Air break circuit breaker E. None of the above...

8. What will be the reflection co-efficient of the wave of load connected to transmission line if surge impedance of the line is equal to load ?

   A. Zero B. Unity C. Infinity D. None of the above...

9. Overfluxing protection is recommended for_____________?

   A. distribution transformer B. generator transformer of the power plant C. auto-transformer of the power plant D. station transformer of the power plant...

10. The material used for fuse must have_____________?

    A. low melting point and high specific resistance B. low melting point and -low specific resistance C. high melting point and low specific resistance D. low melting point and any specific resistance...