Power System2

  1. The most suitable circuit breaker for short line fault without switching resistor is

    Under construction.

  2. Mho relay is used for the protection of

    Under construction.

  3. What is the reactive power in AC operation?

    Under construction.

  4. Power factor can be defined as

    Under construction.

  5. A 60 hz frequency voltage would case a bulb to turn on and off

    Under construction.

  6. IF the time of operation of a relay for unity TMS is 10 sec then the time of operation for 0.5 TMS is

    Under construction.

  7. Where the voltage is high and current to be interrupted is low, the breaker is preferable?

    Under construction.

  8. A 60 Hz, 320 Km lossless line has sending end voltage 1.0 p.u. The receiving end voltage on no-load is

    Under construction.

  9. Lightning arresters are used to protect electrical equipment against

    Under construction.

  10. Resistance switching in normally employed in

    Under construction.

  11. The use of high speed circuit breakers

    Under construction.

  12. Zero sequence currents can flow from a line into a transformer bank if the windings are in

    Under construction.

  13. In a power system with negligible resistance, the fault current at a point is 8.00 p.u. The series reactance to be included at the fault point to limit the short circuit. current to 5.00 p.u. is

    Under construction.

  14. Capacitance voltage transformer (CVT) is used to

    Under construction.

  15. The unit protection scheme provides

    Under construction.

  16. In a 400 kV power network, 360 kV is recorded at 400 kV bus. The reactive power absorbed by a shunt reactor for 50 MVAR, 400 kV connected at the bus is

    Under construction.

  17. The insulation of the modern EHV lines is designed based on

    Under construction.

  18. The ratio of reset to pick up current for an induction cup relay is approximately

    Under construction.

  19. Out of the following plant categories which is not the base load power plant?

    Under construction.

  20. Keeping in view the cost and overall effectiveness, the following circuit breaker is best suited for capacitor bank switching?

    Under construction.