GETCO Exam Paper (22-07-2015) The national song of India was composed by Rabindranath Tagore Iqbal Bankim Chandra Chatterji Jai Shankar Prasad Rabindranath Tagore Iqbal Bankim Chandra Chatterji Jai Shankar Prasad ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Stray loss is equal to _____ mechanical loss & iron loss copper loss and iron loss field copper loss & iron loss frictional loss & copper loss mechanical loss & iron loss copper loss and iron loss field copper loss & iron loss frictional loss & copper loss ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Answer in official key is “mechanical loss & iron loss ”.Many times stray loss is also considered as total loss actually accured minus calculatable loss. This means loss that can be calculated is known as stray loss.
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) The fault occurring in transmission actually are mostly L-L-G L-L-L L-G L-L L-L-G L-L-L L-G L-L ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) For selecting low voltage cable which of the following factors is not important? current carrying capacity voltage grade permissible voltage drop short circuit current rating current carrying capacity voltage grade permissible voltage drop short circuit current rating 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 22 N-m 0 N-m 23.5 N-m 10 N-m 22 N-m 0 N-m 23.5 N-m 10 N-m ANSWER EXPLANATION DOWNLOAD EXAMIANS APP P = 2πTN/60 where N is speed in rpm
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