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? 10 13 20 21 10 13 20 21 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 six two one three six two ANSWER DOWNLOAD EXAMIANS APP
Power Systems At slack bus, which one of the following combinations of variables is not specified? V and δ P and V Q and V P and Q V and δ P and V Q and V P and Q ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 20-25% 30-40% 60-70% 45-55% 20-25% 30-40% 60-70% 45-55% ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection switch is used to provide protection against over voltage. temperature. overload. short circuit. over voltage. temperature. overload. short circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Systems ACSR means Aluminium conductor steel reinforced Aluminium core steel reinforced all conductor steel reinforced Aluminium copper steel reinforced Aluminium conductor steel reinforced Aluminium core steel reinforced all conductor steel reinforced Aluminium copper steel reinforced ANSWER DOWNLOAD EXAMIANS APP