GETCO Exam Paper (22-07-2015) The breaking capacity of a CB is usually expressed interms of MW MVA volts amperes MW MVA volts amperes ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In sub stations for making and breaking of load current relays are used load interrupter switches are used circuit breakers are used isolators are used relays are used load interrupter switches are used circuit breakers are used isolators are used ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following award was not awarded to late Dr. Abdul Kalam? Veer Chakra Padma Vibhushan Padma Bhusan Bharat Ratna Veer Chakra Padma Vibhushan Padma Bhusan Bharat Ratna ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The Z matrix of 2 port network is given by [0.9 0.2 : 0.2 0.6]. The element Y22 of the corresponding Y matrix of the same network is given by -0.4 0.4 1.8 1.2 -0.4 0.4 1.8 1.2 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) A transformer has negative voltage regulation when its load PF is leading zero lagging unity leading zero lagging unity 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) Earth wire on EHV overhead transmission line is provided to protect the line against excessive fault voltages switching surge lightning surge corona effect excessive fault voltages switching surge lightning surge corona effect ANSWER DOWNLOAD EXAMIANS APP
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