Power Systems The insulation resistance of the 20 km long underground cable is 8 MΩ. Other things being same, the insulation resistance of 10 km long cable will be 4 MΩ 8 MΩ 32 MΩ 16 MΩ 4 MΩ 8 MΩ 32 MΩ 16 MΩ ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following rotor is used in thermal power plants? cylindrical rotor either of these salient pole rotor squirrel cage rotor cylindrical rotor either of these salient pole rotor squirrel cage rotor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays are used in protection of medium transmission lines? Admittance relays any of the above Mho relays Impedance relays Admittance relays any of the above Mho relays Impedance relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems For n bus power system size of Y bus matrix is (n-1)×(n-1) (n-1)×(n-2) (n-2)×(n-2) n×n (n-1)×(n-1) (n-1)×(n-2) (n-2)×(n-2) n×n ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power and the transmission line is compensated with a series capacitance of 0.5 Pu. Find the load angle with series capacitance compensation ? 10.5° 14.5° 35.5° 29° 10.5° 14.5° 35.5° 29° ANSWER DOWNLOAD EXAMIANS APP
Power Systems The SWR on a lossless transmission line of the characteristic impedance 100 ohm is 3. The line is the terminated by A resistance of 100 ohm. A resistance of 100/3 ohm. A resistance of j100/3 ohm. A resistance of j300 ohm. A resistance of 100 ohm. A resistance of 100/3 ohm. A resistance of j100/3 ohm. A resistance of j300 ohm. ANSWER DOWNLOAD EXAMIANS APP