D.C. machines designed with a large value of air gap length have_____________?

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...

Materials exhibiting zero value of resistivity are known as ____________ ?

A. conductors B. semiconductors C. insulators D. superconductors...

Which of the following methods is most accurate ?

A. Equivalent current method B. Equivalent power method C. Equivalent torque method D. Method of average losses...

The heat dissipating capability of transformers of ratings higher than 30 kVA in increased by providing which of the following ?

A. Corrugations B. Fins C. Tubes D. Radiator tanks E. All of the above...

The input impedance of a JFET is _____________that of an ordinary transistor?

A. equal to B. less than C. more than D. none of the above...