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 840 Ω 210 Ω 420 Ω 400 Ω 840 Ω 210 Ω 420 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transmission line is most practically used in load flow analysis? nether 1 nor 2 Nominal T Nominal ∏ either 1 or 2 nether 1 nor 2 Nominal T Nominal ∏ either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a transmission line the insulators to be used at the dead end or sharp curves are strain type suspension type any of the above pin type insulator strain type suspension type any of the above pin type insulator 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 10. un changed. 5. 1. 10. un changed. 5. 1. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical visual voltage is the voltage at which both 1 and 2 None of these corona is visible with blue or violet colour corona is just initiated both 1 and 2 None of these corona is visible with blue or violet colour corona is just initiated ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 220 kV system, the inductance and capacitance up to the circuit breaker location are 25 mH and 0.025 µF respectively. The value of resistor required to be connected across the breaker contacts which will give no transient oscillations, is 25 Ω 500 Ω 1000 Ω 250 Ω 25 Ω 500 Ω 1000 Ω 250 Ω ANSWER DOWNLOAD EXAMIANS APP
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