Download Electrical Engineering Questions with Answers
- In order to quench the are quickly and also optimize the dimensions generally
(a) Air blast C.B. is preferred
(b) Oil C.B. is preferred
(c) SF6 C.B. is preferred
(d) Minimum oil C.B. is preferred
- The corona loss in a 50 Hz system is 0.25 kW/ph/km. At a frequency of 60 Hz, the corona loss would be
(a) 0.30 kW/ph/km (b) 0.36 kW/ph/km
(c) 028 kW/ph/km (d) 0.21 kW/ph/km
- The critical point lies within the nyquist plot then the system is
(a) Marginally stable
(b) Unstable
(c) Stable
(d) Undetermined
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