Power Systems On a power system network the load is increasing represents the value of impedance decrease. remains constant. increase. none of above. decrease. remains constant. increase. none of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What will be the ratio of the C.T. on the H.V side of a 3 - φ star / delta 33 / 11 kV transformer if the protecting CT on the LV side has a ratio of 300 : 5 ? 200 : 5 / √3. 100 : 5 / √3. 150 : 4 / √3. 120 : 6 / √3. 200 : 5 / √3. 100 : 5 / √3. 150 : 4 / √3. 120 : 6 / √3. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Phase shift occurs due to which of the following components? capacitance both 1 and 2 inductance conductance capacitance both 1 and 2 inductance conductance ANSWER DOWNLOAD EXAMIANS APP
Power Systems If we increase the length of the transmission line, the charging current increases decreases None of these remains unaffected increases decreases None of these remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power? 5 pu 3.535 pu 7 pu 5.353 pu 5 pu 3.535 pu 7 pu 5.353 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems For distortion less line which of following relation are true R/L = C/G. None of above. R = O, G = O. R/L = G/C. R/L = C/G. None of above. R = O, G = O. R/L = G/C. ANSWER DOWNLOAD EXAMIANS APP
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