Power Systems Which of the following relays are used in protection of medium transmission lines? any of the above Admittance relays Impedance relays Mho relays any of the above Admittance relays Impedance relays Mho relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system? Bulk oil type CB Vacuum CB Air blast CB Sulphur hexafluoride CB Bulk oil type CB Vacuum CB Air blast CB Sulphur hexafluoride CB ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the stator faults? All of these failure of excitation over current Inter phase faults All of these failure of excitation over current Inter phase faults ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading can be increased by both 1 and 2 increasing of capacitance value increasing of voltage level increasing of inductance value both 1 and 2 increasing of capacitance value increasing of voltage level increasing of inductance value ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 55 kA. 45 kA. 50 kA. 35 kA. 55 kA. 45 kA. 50 kA. 35 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit value of a 2 ohm resistor at 100 MVA and 10 kV base voltage is 0.2 pu 2 pu 4 pu 0.5 pu 0.2 pu 2 pu 4 pu 0.5 pu ANSWER DOWNLOAD EXAMIANS APP
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