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