Dear candidates you will find MCQ questions of Electrical Drives and Controls (EDC) here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Explanation: skein winding is one of the 3 kinds of single phase windings used. it is used when small amount of relatively small size wire is used.
Explanation: the skein winding is one of the 3 kinds of single phase induction motor. the skein winding is used when fractional horse power single phase induction motor is used.
Explanation: the concentric winding is the most widely used winding. it is also the most flexible winding of the windings used in the single phase induction motor.
Explanation: the skein winding is the low cost to wind and to insert. it also permits some freedom of choice of distribution.
Explanation: the rotor consists of a block of slotted laminations. the slots form a series of tunnels that are filled with aluminium in its molten state.
Explanation: given at the same speed of operation, if the speeds are different then the brushes are placed in not aligned manner.
Explanation: time of commutation = brush width/peripheral velocity
Explanation: an induction motor has similar operation as a transformer.
Explanation: it is analogous to transformer under the shorted terminals of the secondary.
Explanation: the air gap in induction motor is more prominent than transformer and so the flux requirement will also be more.
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