a) Increases b) Decreases c) Remains constant d) May increases or decreases depending on the power factor Ans: (a)
a) Convertor b) Exciter c) Inverter d) Rectifier Ans: (b)
a) 360° b) 720° c) 1440° d) 2880° Ans: (a)
a) No slip rings b) Two slip rings c) Three slip rings d) Four slip rings Ans: (b)
a) Self and mutual induction b) Self mutual induction c) Faraday’s law of electromagnetic induction d) Mutual induction Ans: (c)
a) Rises b) Drops c) Remains unchanged d) May drop or rise Ans: (d)
a) 38° b) 36° c) 33° d) 30° Ans: (b)
a) A separate dc generator driver by some source b) A separate ac generator drive by some source c) A dc generator coupled directly to the armature shaft d) A battery Ans: (c)
a) Cold rolled grain oriented steel b) Hot rolled grain oriented steel c) Wrought iron d) Cast steel Ans: (c)
a) 0.05 b) 0.2 c) 0.4 d) 0.6 Ans: (b)