Power Systems Asynchronous tie line is a either 1 or 2 None of these DC transmission line AC transmission line either 1 or 2 None of these DC transmission line AC transmission line ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is 66.66% 33.33% 25% 75% 66.66% 33.33% 25% 75% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The neutral of 10 MVA, 11 kV alternator is earthed through a resistance of 5 ohms. The fault ready is set to operate at 0.75 A. The current transformers have a ratio of 1000/5. What is the percentage of the alternator winding is protected? 88.2% 11.8% 85% 15% 88.2% 11.8% 85% 15% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage regulation of a line at full load 0.8 power factor is 11. A long transmission line under no load conditions, for a good voltage profile needs shunt reactor at receiving end shunt capacitor at receiving end All of these shunt resistance at receiving end shunt reactor at receiving end shunt capacitor at receiving end All of these shunt resistance at receiving end ANSWER DOWNLOAD EXAMIANS APP
Power Systems Location of a surge tank, in an hydro electric power station is near tail race. dam. turbine. reservoir. tail race. dam. turbine. reservoir. 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. 0.2 mm. 2 mm. 0.4 mm. 4 mm. 0.2 mm. 2 mm. ANSWER DOWNLOAD EXAMIANS APP
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