GETCO Exam Paper (22-07-2015) The magnitude of sum of two sinusoidal AC voltages is equal to the magnitude of each individual voltage, What must be the phase difference between voltages? 180 90 120 60 180 90 120 60 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) For given kVAR and line voltage the ratio of star to delta value of capacitor is 0.33333333333333 3 1 1.73 0.33333333333333 3 1 1.73 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Power Factor correcting element is generally connected in _____ parallel to the load series with source series with load parallel to source parallel to the load series with source series with load parallel to source ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The president of India must have completed the age of 35 Yrs 21 Yrs 50 Yrs 30 Yrs 35 Yrs 21 Yrs 50 Yrs 30 Yrs ANSWER DOWNLOAD EXAMIANS APP
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 0 N-m 22 N-m 10 N-m 23.5 N-m 0 N-m 22 N-m 10 N-m ANSWER EXPLANATION DOWNLOAD EXAMIANS APP P = 2πTN/60 where N is speed in rpm
GETCO Exam Paper (22-07-2015) A transformer has negative voltage regulation when its load PF is lagging leading zero unity lagging leading zero 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
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