Power Systems Skin effective is more in case of communication lines power lines same in both cases None of these communication lines power lines same in both cases None of these 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 4 MΩ 16 MΩ 32 MΩ 8 MΩ 4 MΩ 16 MΩ 32 MΩ 8 MΩ ANSWER DOWNLOAD EXAMIANS APP
Power Systems Switchgear equipment include all of these. relays and CB. switches. fuses. all of these. relays and CB. switches. fuses. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Isolator in sub station is open under ------------- condition? any of the above no load full load short circuit any of the above no load full load short circuit ANSWER DOWNLOAD EXAMIANS APP
Power Systems Breaking current is a ------------------ value? any of the above RMS average maximum any of the above RMS average maximum ANSWER DOWNLOAD EXAMIANS APP
Power Systems The line currents of 3-phase supply are: IR = 3 + j 5 A IY =2 + j 2 A IB = -2 - j 1 A The zero sequence current will be -2 - j 1 A 5 + j 7 A 1 + j 2 A 1 + j 4 A -2 - j 1 A 5 + j 7 A 1 + j 2 A 1 + j 4 A ANSWER DOWNLOAD EXAMIANS APP