GETCO Exam Paper (22-07-2015) In a DC motor, back EMF value becomes maximum at _____ 3/4 load 1/2 load full load no load 3/4 load 1/2 load full load no load ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Answer in official key is “1/2 load ”.
GETCO Exam Paper (22-07-2015) Two heaters rated at 500 W, 250 V each are conneted in series across a 250 V, 50 Hz mains. The total power drawn from the supply would be _____ watt. 1000 500 125 250 1000 500 125 250 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Who is the vice president of India? (As on 22/07/2015) Dr. Hamid Ansari O.P. Kohli Nazama heptulla Pranav Mukharjee Dr. Hamid Ansari O.P. Kohli Nazama heptulla Pranav Mukharjee ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Oil is mostly _____ by trucks in India transport transfer transmit deliver transport transfer transmit deliver ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) A transformer has negative voltage regulation when its load PF is zero leading lagging unity zero leading 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) In differential protection scheme, a stabilizing resistance connected to block harmonics increase the relay sensitivity increase the current limit reduce the effect of non identical CTs block harmonics increase the relay sensitivity increase the current limit reduce the effect of non identical CTs ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS