Power Systems If skin depth is more, then skin effect is either 1 or 2 more less None of these either 1 or 2 more less None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The pickup value of relay is 6.5 Amp and fault current in relay coil is 39 Amp. Its plug setting multiplier is 10 A. 7 A. 6 A. 8 A. 10 A. 7 A. 6 A. 8 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 36 kV 40 kV 45 kV 32 kV 36 kV 40 kV 45 kV 32 kV 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? 0.4 mm. 4 mm. 2 mm. 0.2 mm. 0.4 mm. 4 mm. 2 mm. 0.2 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the diameter of the conductor is increased the inductance is decreased no change in inductance and resistance the inductance is increased the resistance is increased the inductance is decreased no change in inductance and resistance the inductance is increased the resistance is increased ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 60-70% 30-40% 45-55% 20-25% 60-70% 30-40% 45-55% 20-25% ANSWER DOWNLOAD EXAMIANS APP
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