a) 33,000 V b) 1650 V c) 16,500 V d) 1500 V Ans: (c)
a) Shaded pole motor b) Split phase motor c) Capacitor-start motor d) Repulsion-start run motor Ans: (c)
a) 330 A b) 332 A c) 250 A d) 200 A Ans: (b)
a) Watts b) 2.5 Watts c) 10 Watts d) 4 Watts Ans: (b)
a) 60 A b) 33.3 A c) 63.3 A d) 30 A Ans: (c)
a) 200 Watts b) 100 Watts c) 500 Watts d) 400 Watts Ans: (d)
a) 27 ohms b) 60 ohms c) 17.2 ohms d) 68 ohms Ans: (c)
a) Conductively b) Inductively c) Resistively d) None of the above Ans: (b)
a) Conductively b) Inductively c) Resistively d) None of the above Ans: (a)
a) Temperature b) Lubrication of bearings c) Load variation d) Velocity of the shaft e) All above parameters Ans: (e)
a) Friction loss b) Windage loss c) Core loss d) Sum of (a), (b) and (c) Ans: (d)
a) Running the alternator at synchronous speed b) Running the alternator as a synchronous motor at rated speed at full load c) Running the alternator as a synchronous motor at rated speed at no load d) None of the above Ans: (c)
a) Between poles and the slots of the armature is large compared to width of the slot b) Between poles and the slots of the armature is minimum compared to width of the slot c) Does not exist d) None of the above Ans: (a)
a) Dependent on the load b) Independent of the load c) Dependent on the excitation d) (b) and (c) both e) None of the above Ans: (d)
a) Will reduce the induced voltage in each bar to a value less than if the base were unskewed b) Will increase the induced voltage in each bar to a value more than if the bars were unskewed c) Increases the cogging d) Increases the motor noise Ans: (a)