Welcome to your DC Machines MCQ practice assessment.
Click NEXT to start.
In a dc machine armature windind,the number of commutator segments is equal to the number of armature
Reluctance torque in rotating machines is present,when
Which of the following is not a part of dc machine?
For a 4-pole machine wave winding is impossible with — armature conductors
The developed electromagnetic force and/or torqe in electromechanical energy conversion system act in a direction that tends
The number of parallel paths for a 4-pole duplex lap winding will be
Wave winding is employed in a dc machine of
Minimum number of coils for 400v,6-poles lap connected dc machine for a maximum voltage of 15v between adjacent commutator segments should be
Wave winding is composed of
The commutator pitch for simplex wave winding is equal to
Which of the following are the variable losses in a rotating machine?
The commutator pitch for simplex lap winding is
Laminated yoke in dc motor can reduce
The teeth in the armature of a dc machine are something skewed.This is done to reduce
In a dc generator,the ripples in the direct emf generated are reduced by employing
For a linear electromagnetic circuit,the following statement is true
Width of a carbon brush should be equal to
In a dc motor the windage loss is proportional to
A homopolar generator usually has
4 pole generator with 16 coils has a two layer lap winding.The pole pitch is
Leave a Reply
You must be logged in to post a comment.