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? 0.2 mm. 2 mm. 4 mm. 0.4 mm. 0.2 mm. 2 mm. 4 mm. 0.4 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What are the tests performed for oil-filled and gas-filled cables ? Impulse tests. All of these. Thermal stability test. Load cycle tests. Impulse tests. All of these. Thermal stability test. Load cycle tests. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station plant load factor is defined as the ratio of minimum load to peak load minimum load to average load the energy generated to that of maximum energy that could have been generated average load to the peak load minimum load to peak load minimum load to average load the energy generated to that of maximum energy that could have been generated average load to the peak load ANSWER DOWNLOAD EXAMIANS APP
Power Systems The total number of strands(N) is concentrically stranded cable with total annular space filled with strands of uniform diameter is given by (if x is number of layers) N = 3x²-6x+1 N = 3x²-2x+1 N = 3x²-3x+1 N = 3x²+3x+1 N = 3x²-6x+1 N = 3x²-2x+1 N = 3x²-3x+1 N = 3x²+3x+1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used to protect electrical equipment against over voltages due to indirect lightning stroke. power frequency of over voltages. direct strokes of lightning. over currents due to lightning stroke. over voltages due to indirect lightning stroke. power frequency of over voltages. direct strokes of lightning. over currents due to lightning stroke. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which device is used for protection of equipment from from damage caused by overload or short circuit? current transformer circuit breaker lightning arrester CVT current transformer circuit breaker lightning arrester CVT ANSWER DOWNLOAD EXAMIANS APP