Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 13 21 20 10 13 21 20 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The unit protection scheme provides back up protection. remote protection. primary protection. simultaneous protection. back up protection. remote protection. primary protection. simultaneous protection. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If transmission line parameters A and B are 0.9∠0° and 200∠90° respectively. Find the shunt reactor required to compensate the ferranti effect? 750 Ω 2000 Ω 1500 Ω 3000 Ω 750 Ω 2000 Ω 1500 Ω 3000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following configuration power transferability is higher? None of these horizontal configuration same in both configuration triangular configuration None of these horizontal configuration same in both configuration triangular configuration ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of power system is/are Flexible power has to be available. All of these Cost of electrical energy per KWh is to be minimum Reliable power has to be available Flexible power has to be available. All of these Cost of electrical energy per KWh is to be minimum Reliable power has to be available ANSWER DOWNLOAD EXAMIANS APP
Power Systems A sort line with R/X ratio 1, the zero regulation is obtained when the power factor of the load is unity 0.5 0 leading 0.707 leading unity 0.5 0 leading 0.707 leading ANSWER DOWNLOAD EXAMIANS APP
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