EE MCQ

Related Question

GETCO Exam Paper (22-07-2015)
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For eliminating 7th harmonics from generated EMF in alternator the fractional pitch must be

fractional pitch = Cos( α/2)

α is obtain from: (nα/2)=90˚ where n is harmonic

α=25.7143˚

fractional pitch=6/7

GETCO Exam Paper (22-07-2015)
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Calculate torque developed by the 3-phase, 5 HP, 4 pole induction motor runs at 1500 rpm

P = 2πTN/60 where N is speed in rpm