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