GETCO Exam Paper (22-07-2015) In sub stations for making and breaking of load current load interrupter switches are used relays are used circuit breakers are used isolators are used load interrupter switches are used relays are used circuit breakers are used isolators are used ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) For eliminating 7th harmonics from generated EMF in alternator the fractional pitch must be 2\3 7\8 6\7 5\6 2\3 7\8 6\7 5\6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP fractional pitch = Cos( α/2)α is obtain from: (nα/2)=90˚ where n is harmonicα=25.7143˚fractional pitch=6/7
GETCO Exam Paper (22-07-2015) Speed of induction motor at rated torque is _____ than at maximum torque. depends on load lesser greater same depends on load lesser greater same ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The steady state stability of the power systems is most effected by power factor of the load voltage at generator bus stability of generator transmission line reactance power factor of the load voltage at generator bus stability of generator transmission line reactance ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The value of holding ratio of relay is always less than 1 Infinite zero greater than 1 less than 1 Infinite zero greater than 1 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) For given kVAR and line voltage the ratio of star to delta value of capacitor is 1.73 1 0.33333333333333 3 1.73 1 0.33333333333333 3 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS