The length cf air gap to be provided in __________ is primarily determined by power factor consideration?

Related Mcqs:

The efficiency of a machine should be as ____________ as possible to reduce the operating cost?

A. high B. low C. either of the above D. none of the above...

The heated parts of an electrical machine dissipate heat into their surroundings by which of the following modes of heat dissipation ?

A. Conduction B. Convection C. Radiation D. All of the above...

By which of the following methods the temperature rise of windings and other parts may be determined ?

A. Thermometer method B. Resistance method C. Embedded temperature detector method D. Any of the above...

Which of the following methods may be adopted to reduce the effects of armature reaction ?

A. Increase in length of air gap at pole tips B. Increasing reluctance of pole tips C. Compensating windings D. Interpoles E. All of the above...

Disc windings are primarily used in_____________-?

A. short capacity transformers B. medium capacity transformers C. high capacity transformers D. any of the above...