GETCO Exam Paper (22-07-2015) Shunt compensation in EHV line is resorted to Improve voltage profile Increase line impedance Improve the stability Reduce the fault level Improve voltage profile Increase line impedance Improve the stability Reduce the fault level ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) When the load is suddenly increased in the receiving end of the system, the phase shift will remains same decrease increase Not affected remains same decrease increase Not affected ANSWER DOWNLOAD EXAMIANS APP
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 deference of error is the main reason Change in voltage magnitude marginally affects real power angle of the voltage is not considered AVR loop response is slower than LFC loop deference of error is the main reason Change in voltage magnitude marginally affects real power angle of the voltage is not considered ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) A transformer has negative voltage regulation when its load PF is lagging unity zero leading lagging unity zero leading ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Voltage regulation = ((no load voltage)-(full load voltage)/(no load voltage))VR at leading PF = ((I*R*cosφ)-(I*X*sinφ))/VVR at lagging PF = ((I*R*cosφ)+(I*X*sinφ))/V
GETCO Exam Paper (22-07-2015) For selecting low voltage cable which of the following factors is not important? current carrying capacity permissible voltage drop short circuit current rating voltage grade current carrying capacity permissible voltage drop short circuit current rating voltage grade ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Who is the Energy and Petrochemicals minister of Gujarat? (As on 22/07/2015) Saurabh Patel Anandiben Patel Bhupendrasinh Chudasama Nitin Patel Saurabh Patel Anandiben Patel Bhupendrasinh Chudasama Nitin Patel ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS