Electrical Engineering : Single Phase Induction Motors QUESTIONS AND ANSWERS :: part1 : 11 to 15
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
11.In a capacitor start and run motors the function of the running capacitor in series with the auxiliary winding is to |
| improve power factor |
| increase overload capacity |
| reduce fluctuations in torque |
| to improve torque |
12.In a shaded pole single-phase motor, the revolving field is produced by the use of |
| inductor |
| capacitor |
| resistor |
| shading coils |
13.Direction of rotation of a split phase motor can be reversed by reversing the connection of |
| running winding only |
| starting winding only |
| either (a) or (b) |
| both (a) and (b) |
14.The direction of rotation of an hysteresis motor is determined by |
| interchanging the supply leads |
| position of shaded pole with respect to main pole |
| retentivity of the rotor material |
| none of these |
15.In a split phase motor |
| the starting winding is connected through a centrifugal switch |
| the running winding is connected through a centrifugal switch |
| both starting and running windings are connected through a centrifugal switch |
| centrifugal switch is used to control supply voltage |
More Single Phase Induction Motors QUESTIONS AND ANSWERS available in next pages
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