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