Power Systems Corona loss is ----------------- on hilly areas than as plain areas. less remain same None of these more less remain same None of these more ANSWER DOWNLOAD EXAMIANS APP
Power Systems In an induction relay for a particular current setting the operating time 4 sec. When the time multiplier setting is 0.8 if the time multiplier setting is rest to 1 the operating time is 5. un changed. 1. 10. 5. un changed. 1. 10. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is 125 MVA 100 MVA 500 MVA 400 MVA 125 MVA 100 MVA 500 MVA 400 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be 400 Ω 840 Ω 210 Ω 420 Ω 400 Ω 840 Ω 210 Ω 420 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The arc voltage produced in an AC circuit breaker is always in phase opposition with the arc current. leading the arc current by 90°. lagging the arc current by 90°. in phase with the arc current. in phase opposition with the arc current. leading the arc current by 90°. lagging the arc current by 90°. in phase with the arc current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Deflectors are provided in Kaplan turbine. propeller turbine. Pelton wheel. Francis turbine. Kaplan turbine. propeller turbine. Pelton wheel. Francis turbine. ANSWER DOWNLOAD EXAMIANS APP