Cylindrical windings using circular conductors, employed in transformers, are_____________?

Related Mcqs:

Which of the following is the major consideration to evolve a good design ?

A. Cost B. Durability C. Compliance with performance criteria as laid down in specifications D. All 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...

The forced oil and air circulation method is usual one for transformers of capacities____________?

A. upto 5 MVA B. upto 10 MVA C. upto 20 MVA D. 30 MVA upwards...