GETCO Exam Paper (22-07-2015) The surge impedance loading of the line will _____ if the length of the line is double remains same four times double become half remains same four times double become half ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Surge impedance is independent of length of the line
GETCO Exam Paper (22-07-2015) For selecting low voltage cable which of the following factors is not important? permissible voltage drop voltage grade current carrying capacity short circuit current rating permissible voltage drop voltage grade current carrying capacity short circuit current rating ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) No load efficiency of tranformer is _____ than full load efficiency greater depends on load same lesser greater depends on load same lesser ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Fast excitation system of the generator will _____ Improve the reactive power control Improve the voltage control Improve the dynamic stability Improve the power factor Improve the reactive power control Improve the voltage control Improve the dynamic stability Improve the power factor ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Steady state stability of a power system is improved by by fast switching using double circuit line instead of single circuit line reducing fault clearing time decreasing generator inertia by fast switching using double circuit line instead of single circuit line reducing fault clearing time decreasing generator inertia ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) HVDC transmission is preferred to EHV AC because VAR compensation is not required in it System stability can be improved Its terminal equipment are inexpensive Harmonic problem is avoided VAR compensation is not required in it System stability can be improved Its terminal equipment are inexpensive Harmonic problem is avoided ANSWER DOWNLOAD EXAMIANS APP