GETCO Exam Paper (22-07-2015) Which of the following is not function of substation batteries? operating protective relay systems emergency lighting circuits provide supply to the excitation system operating automatic control circuits operating protective relay systems emergency lighting circuits provide supply to the excitation system operating automatic control circuits ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Penalty factor in power system economical operation is measure of Line loss all are correct generation cost fuel cost Line loss all are correct generation cost fuel cost ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) During the insulation co-ordination in the sub station, the lowest insulation strength is at bus bar circuit breaker transformer CTs and PTs bus bar circuit breaker transformer CTs and PTs ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In the standard B-H curve X axis and Y axis intercepts respctively represents residual magnetism and coercive force Hysteresis loss and Flux coercive force and residual magnetism Flux and MMF residual magnetism and coercive force Hysteresis loss and Flux coercive force and residual magnetism Flux and MMF ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Hopkinson's test is the test to be carried out on induction motor with synchronous motor 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 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) HVDC transmission is preferred to EHV AC because Harmonic problem is avoided Its terminal equipment are inexpensive System stability can be improved VAR compensation is not required in it Harmonic problem is avoided Its terminal equipment are inexpensive System stability can be improved VAR compensation is not required in it ANSWER DOWNLOAD EXAMIANS APP
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