Power Systems Find the value of a729, where "a" is the operator 0 α² α 1 0 α² α 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF? 800 Ω 160 Ω 400 Ω 200 Ω 800 Ω 160 Ω 400 Ω 200 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 5th harmonic current. 2nd harmonic current. 7th harmonic current. 3rd harmonic current. 5th harmonic current. 2nd harmonic current. 7th harmonic current. 3rd harmonic current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems To reduce the radio interference which line is/are transposed? either 1 or 2 Power line None of these Both power and telecommunication lines either 1 or 2 Power line None of these Both power and telecommunication lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems If R = 84 ohm/Km, G = 10-6 mho/Km, H = 0.01 H/Km, C = 0.061 μ F/Km and frequency = 1000 Hz, then what is the value of propagation constant of the transmission line 0.09 + j 0.018 per Km. 0.01 + j 0.02 per Km. 0.018 per Km. None of them. 0.09 + j 0.018 per Km. 0.01 + j 0.02 per Km. 0.018 per Km. None of them. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the advantages of synchronous phase modifier over the shunt compensation? single unit can be used as both capacitance and inductor by adjusting the excitation initial cost is low smooth voltage regulation is possible by controlling excitation both 1 and 2 single unit can be used as both capacitance and inductor by adjusting the excitation initial cost is low smooth voltage regulation is possible by controlling excitation both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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