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 15 A 10 A 6.25 A 12.5 A 15 A 10 A 6.25 A 12.5 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems A fuse wire of circular cross-section has a radius of 0.8 mm. The wire blows off at an current of 8 Amp. Calculate the radius of wire that will blow off at an current of 1 amp? 4 mm. 0.4 mm. 2 mm. 0.2 mm. 4 mm. 0.4 mm. 2 mm. 0.2 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays are used in protection of medium transmission lines? Mho relays any of the above Impedance relays Admittance relays Mho relays any of the above Impedance relays Admittance relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ratio of reset to pick up current for an induction cup relay is approximately 1.0. 1.35. 0.99. 0.75. 1.0. 1.35. 0.99. 0.75. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of following is employed as a moderator by CANDU type of slow thermal nuclear reactors Beryllium. Water. Heavy water. Graphite. Beryllium. Water. Heavy water. Graphite. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Three generators rated 100 MVA, 11 kV have an impedance of 0.15 pu each. If in the same plant, these generators are being replaced by a single equivalent generator, the effective impedance of equivalent generator will be 0.45 pu 0.15 pu 0.25 pu 0.05 pu 0.45 pu 0.15 pu 0.25 pu 0.05 pu ANSWER DOWNLOAD EXAMIANS APP
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