The winding where dummy coils are used is sometimes called______________?

Related Mcqs:

Which of the following materials is used in the manufacture of resistance grids to be used in the starters of large motors ?

A. Copper B. Aluminium C. Steel D. Cast-iron...

In self cooled motors the cooling time constant is about ___________ than the heating time constant because cooling conditions are worse at standstill?

A. 2 to 3 times greater B. 3 to 4 times greater C. 4 to 5 times greater D. none of the above...

____________are always double layer type?

A. Closed windings B. Open windings C. Either of the above D. None of the above...

Which of the following in an application of D.C. motors?

A. Traction B. Drives for process industry C. Battery driven vehicles D. Automatic control E. All of the above...

The usual values of maximum flux densities for distribution transformers using hot rolled silicon steel are______________?

A. 0.5 to 0.8 Wb/m2 B. 0.8 to 1.0 Wb/m2 C. 1.1 to 1.35 Wb/m2 D. 1.4 to 1.8 Wb/m2...