GETCO Exam Paper (22-07-2015) For a given transformer volte/turn for primary and secondary winding is different same depends on load depends on transformer design different same depends on load depends on transformer design ANSWER EXPLANATION DOWNLOAD EXAMIANS APP emf = 4.44*f*φ*Temf/T = 4.44*f*φ
GETCO Exam Paper (22-07-2015) No load efficiency of tranformer is _____ than full load efficiency greater lesser depends on load same greater lesser depends on load same ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Speed of induction motor at rated torque is _____ than at maximum torque. lesser same greater depends on load lesser same greater depends on load ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The mechanical angle is _____ electrical angle same greater than or equal to lesser than or equal to always less same greater than or equal to lesser than or equal to always less ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Electrical angle = (P/2)*mechanicla angle
GETCO Exam Paper (22-07-2015) Slip at maximum torque depends on rotor resistance and reactance stator resistance load current stator reactance rotor resistance and reactance stator resistance load current stator reactance ANSWER EXPLANATION DOWNLOAD EXAMIANS APP at maximum torque:S=R₂/X₂
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