GETCO Exam Paper (22-07-2015) An over-current relay of current rating 5 A and setting 150% is connected to a 200/5 A CT. Then the relay to pickup, the line current required is 300 200 100 150 300 200 100 150 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The recent (as on 22/07/2015) Mahakumbh is held at Nasik Ujjain Haridwar Alahabad Nasik Ujjain Haridwar Alahabad ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) A transformer has negative voltage regulation when its load PF is leading zero unity lagging leading zero unity lagging 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) Calculate torque developed by the 3-phase, 5 HP, 4 pole induction motor runs at 1500 rpm 23.5 N-m 10 N-m 22 N-m 0 N-m 23.5 N-m 10 N-m 22 N-m 0 N-m ANSWER EXPLANATION DOWNLOAD EXAMIANS APP P = 2πTN/60 where N is speed in rpm
GETCO Exam Paper (22-07-2015) Switching surges are high voltage Acs power frequency voltage short duration transient voltage high votage DCs high voltage Acs power frequency voltage short duration transient voltage high votage DCs ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In comparison to steam plant, the annual fixed cost of nuclear plant is Can't say Quit high Quit low almost equal Can't say Quit high Quit low almost equal ANSWER DOWNLOAD EXAMIANS APP
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