Power Systems The Y bus matrix of 100 bus interconnected system is 90% sparse. Hence the number of transmission lines in the system must be 250 500 450 900 250 500 450 900 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Frequencies must be same in which of the following line to exchange the power from one place to other place ? Asynchronous line No need of same frequency for exchange of power both 1 and 2 Synchronous line Asynchronous line No need of same frequency for exchange of power both 1 and 2 Synchronous line 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? 2 mm. 4 mm. 0.2 mm. 0.4 mm. 2 mm. 4 mm. 0.2 mm. 0.4 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The charging reactance of 50 km transmission line is 1500 Ω. What is the charging reactance for 100 km length of line? 750 Ω 1500 Ω 1000 Ω 3000 Ω 750 Ω 1500 Ω 1000 Ω 3000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Galvanised steel is generally used as earth wire. stray wire. structural components. All of these earth wire. stray wire. structural components. All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the effects of corona All of these interference decreases power loss decreases charging current increases All of these interference decreases power loss decreases charging current increases ANSWER DOWNLOAD EXAMIANS APP
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