Power Systems In which of the following transmission lines capacitance effect is negligible? both 1 and 3 long transmission lines shoart transmission lines medium transmission lines both 1 and 3 long transmission lines shoart transmission lines medium transmission lines ANSWER DOWNLOAD EXAMIANS APP
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 16 MΩ 32 MΩ 4 MΩ 8 MΩ 16 MΩ 32 MΩ 4 MΩ 8 MΩ ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following effects are associated with transmission line skin effect ferranti effect corona effect All of these skin effect ferranti effect corona effect All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems For complete protection of 3-phase system from the short circuit faults minimum number of relays required are one three two six one three two six ANSWER DOWNLOAD EXAMIANS APP
Power Systems Proximity effect is more in case of power cables None of these over head lines same in both cases power cables None of these over head lines same in both cases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero always if the mutual couplings between transmission lines are absent if the shunt admittances at the buses are ignored if both 2 and 3 are satisfied always if the mutual couplings between transmission lines are absent if the shunt admittances at the buses are ignored if both 2 and 3 are satisfied ANSWER DOWNLOAD EXAMIANS APP