GETCO Exam Paper (22-07-2015) Which of the following is a reason to decouple AVR and LFC loops when there is a shortage of reactive power? AVR loop response is slower than LFC loop Change in voltage magnitude marginally affects real power angle of the voltage is not considered deference of error is the main reason AVR loop response is slower than LFC loop Change in voltage magnitude marginally affects real power angle of the voltage is not considered deference of error is the main reason ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following is not function of substation batteries? 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 operating protective relay systems ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In synchronous motor, V-curve is a graph of Armature current Vs active power Armature current Vs reactive power Armature current Vs Field current Armature current Vs power factor Armature current Vs active power Armature current Vs reactive power Armature current Vs Field current Armature current Vs power factor ANSWER EXPLANATION DOWNLOAD EXAMIANS APP v curve: armature current → field currentInverted V curve: power factor → field current
GETCO Exam Paper (22-07-2015) Which city is capital of Meghalaya? (As on 22/07/2015) Shilong Dispur Imphal Itanagar Shilong Dispur Imphal Itanagar ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Steady state stability of a power system is improved by decreasing generator inertia 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 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Light from the nearest star (other than the sun) reaches the earth in 4.2 hours 42 secs 4.2 years 4.2 minutes 4.2 hours 42 secs 4.2 years 4.2 minutes ANSWER DOWNLOAD EXAMIANS APP
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