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 0.018 per Km. 0.09 + j 0.018 per Km. 0.01 + j 0.02 per Km. None of them. 0.018 per Km. 0.09 + j 0.018 per Km. 0.01 + j 0.02 per Km. None of them. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 32 kV 36 kV 40 kV 45 kV 32 kV 36 kV 40 kV 45 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems What should be the minimum depth (in metre)of cable trench to dug for laying of 1.1 kV? 0.75. 0.90. 1.20. 1.05. 0.75. 0.90. 1.20. 1.05. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF? 200 Ω 160 Ω 800 Ω 400 Ω 200 Ω 160 Ω 800 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with high percentage of reaction and runner adjust vanes is Pelton. Kaplan. Francis. Impeller. Pelton. Kaplan. Francis. Impeller. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are advantages of N-R method? Number of iterations are less both 1 and 2 Applicable for large power system network Time taken for each iteration is less Number of iterations are less both 1 and 2 Applicable for large power system network Time taken for each iteration is less ANSWER DOWNLOAD EXAMIANS APP
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