Power Systems Find the characteristic impedance of a transmission line, if impedance is 16 Ω and admittance is 0.1 mâ„§? 320 Ω 160 Ω 400 Ω 200 Ω 320 Ω 160 Ω 400 Ω 200 Ω 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? 3000 Ω 1500 Ω 750 Ω 1000 Ω 3000 Ω 1500 Ω 750 Ω 1000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has 50 km operating at frequency of 500 Hz. Find the type of the line? any of the above short transmission line long transmission line medium transmission line any of the above short transmission line long transmission line medium transmission line ANSWER DOWNLOAD EXAMIANS APP
Power Systems What are the tests performed for oil-filled and gas-filled cables ? Thermal stability test. Load cycle tests. All of these. Impulse tests. Thermal stability test. Load cycle tests. All of these. Impulse tests. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Objectives of power system is/are Rated voltage and frequency has to be supplied to the consumers both 1 and 2 nether 1 nor 2 Cost of electrical energy per KWh is to be minimum Rated voltage and frequency has to be supplied to the consumers both 1 and 2 nether 1 nor 2 Cost of electrical energy per KWh is to be minimum ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system? Air blast CB Sulphur hexafluoride CB Vacuum CB Bulk oil type CB Air blast CB Sulphur hexafluoride CB Vacuum CB Bulk oil type CB ANSWER DOWNLOAD EXAMIANS APP