Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 400/5. The pick up value is 6.25 A 15 A 10 A 12.5 A 6.25 A 15 A 10 A 12.5 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems In an induction relay for a particular current setting the operating time 4 sec. When the time multiplier setting is 0.8 if the time multiplier setting is rest to 1 the operating time is 5. un changed. 1. 10. 5. un changed. 1. 10. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be 0.60 0.0030 0.0060 0.30 0.60 0.0030 0.0060 0.30 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays are used in protection of medium transmission lines? Impedance relays Admittance relays any of the above Mho relays Impedance relays Admittance relays any of the above Mho relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are base load plants? All of these hydro plants nuclear plants thermal plants All of these hydro plants nuclear plants thermal plants ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 10 MVA generator has reactance of 0.2 pu. Find the new reactance value for 50 MVA base? 5 pu 0.25 pu 1 pu 0.2 pu 5 pu 0.25 pu 1 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP
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