GETCO Exam Paper (22-07-2015) For a given transformer volte/turn for primary and secondary winding is depends on load depends on transformer design different same depends on load depends on transformer design different same 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 same greater depends on load lesser same greater depends on load lesser ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Speed of induction motor at rated torque is _____ than at maximum torque. same greater depends on load lesser same greater depends on load lesser ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The mechanical angle is _____ electrical angle greater than or equal to lesser than or equal to same always less greater than or equal to lesser than or equal to same 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 load current stator resistance stator reactance rotor resistance and reactance load current stator resistance stator reactance rotor resistance and reactance ANSWER EXPLANATION DOWNLOAD EXAMIANS APP at maximum torque:S=R₂/X₂
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