Power Systems If sag in an overhead line increase, tension in the line remains same None of these decrease increase remains same None of these decrease increase ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect of conductor will increase when diameter decrease resistivity decrease All of these frequency decrease diameter decrease resistivity decrease All of these frequency decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has inductance of 0.22 mH per km and capacitance of 0.202 µF per km. The surge impedance of the cable is 40 Ω 52 Ω 33 Ω 28 Ω 40 Ω 52 Ω 33 Ω 28 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 - Φ, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 s. The symmetrical breaking current is 1200 A. 104.8 kA. 35 kA. 3600 A. 1200 A. 104.8 kA. 35 kA. 3600 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Resistance switching in normally employed in minimum oil breakers. all breakers. bulk oil breakers. air blast circuit breaker. minimum oil breakers. all breakers. bulk oil breakers. air blast circuit breaker. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 132 kV system, the reactance and capacitance up to the location of the CB is 3 Ω and 0.015 μF respectively. The maximum value of RRRV is 12.2 kV / μs. 2.0 kV / μs. 9.01 kV / μs. 10.01 kV / μs. 12.2 kV / μs. 2.0 kV / μs. 9.01 kV / μs. 10.01 kV / μs. ANSWER DOWNLOAD EXAMIANS APP