GETCO Exam Paper (22-07-2015) Critical clearing time of a fault in a power system is related to Reactive power limit Steady state limit Transient stability limit Short circuit limit Reactive power limit Steady state limit Transient stability limit Short circuit limit ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Earth wire on EHV overhead transmission line is provided to protect the line against corona effect lightning surge switching surge excessive fault voltages corona effect lightning surge switching surge excessive fault voltages ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The relay which is most sensitive to power swings (mal operation) is Impedance Relay Mho Relay Reactance Relay Over current Relay Impedance Relay Mho Relay Reactance Relay Over current Relay ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Hopkinson's test is the test to be carried out on two identical induction motors induction motor with any DC motor two identical DC motors induction motor with synchronous motor two identical induction motors induction motor with any DC motor two identical DC motors induction motor with synchronous motor ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In hopkinson test known as regenerative testtwo identical machine coupledD.C shunt motorD.C shunt generatortemperature rise can be check under rated conditionlarge machine can be tested without drawing much power.
GETCO Exam Paper (22-07-2015) In a given current transformer, If permissible current ratio error rated primary current is 5% the CT is suitable for measuring purpose both measuring and protection protection purpose as power transformer measuring purpose both measuring and protection protection purpose as power transformer ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The value of holding ratio of relay is always greater than 1 zero less than 1 Infinite greater than 1 zero less than 1 Infinite ANSWER DOWNLOAD EXAMIANS APP
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