GETCO Exam Paper (22-07-2015) Critical clearing time of a fault in a power system is related to Short circuit limit Reactive power limit Transient stability limit Steady state limit Short circuit limit Reactive power limit Transient stability limit Steady state limit ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The breaking capacity of a CB is usually expressed interms of MW volts amperes MVA MW volts amperes MVA ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) 100% string efficiency means None uniform potential distribution across each disc One of the insulator discs shorted Equal potential across each disc Zero potential across each disc None uniform potential distribution across each disc One of the insulator discs shorted Equal potential across each disc Zero potential across each disc ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The relay which is most sensitive to power swings (mal operation) is Reactance Relay Impedance Relay Over current Relay Mho Relay Reactance Relay Impedance Relay Over current Relay Mho Relay ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) An over-current relay of current rating 5 A and setting 150% is connected to a 200/5 A CT. Then the relay to pickup, the line current required is 200 150 100 300 200 150 100 300 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Switching surges are high voltage Acs high votage DCs short duration transient voltage power frequency voltage high voltage Acs high votage DCs short duration transient voltage power frequency voltage ANSWER DOWNLOAD EXAMIANS APP