Power Systems What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system? Vacuum CB Air blast CB Sulphur hexafluoride CB Bulk oil type CB Vacuum CB Air blast CB Sulphur hexafluoride CB Bulk oil type CB ANSWER DOWNLOAD EXAMIANS APP
Power Systems Skin effective is more in case of power lines communication lines None of these same in both cases power lines communication lines None of these same in both cases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Resistance switching in normally employed in bulk oil breakers. minimum oil breakers. all breakers. air blast circuit breaker. bulk oil breakers. minimum oil breakers. all breakers. air blast circuit breaker. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage regulation of a line at full load 0.8 power factor is 11. A long transmission line under no load conditions, for a good voltage profile needs All of these shunt capacitor at receiving end shunt reactor at receiving end shunt resistance at receiving end All of these shunt capacitor at receiving end shunt reactor at receiving end shunt resistance at receiving end ANSWER DOWNLOAD EXAMIANS APP
Power Systems For complete protection of 3-phase system from the short circuit faults minimum number of relays required are two one six three two one six three ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the relation between sub transient (X"), transient (X') and synchronous reactance (X) ? X" > X' >X X" < X' < X X" < X' > X X" > X' < X X" > X' >X X" < X' < X X" < X' > X X" > X' < X ANSWER DOWNLOAD EXAMIANS APP
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