Commercial available medium size machines have a speed range of __________ ?

Related Mcqs:

Hot rolled sheets have ___________ value of permeability?

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

The slot leakage can be calculated by making which of the following assumptions ?

A. The current in the slot conductors is uniformly distributed over their cross-section B. The leakage path is straight across the slot and around the iron at the bottom C. The permanence of air paths is only considered. The reluctance of iron paths is assumed as zero D. All of the above...

In transformers using hot rolled steel, the cross-section of the yoke is made about __________ greater than that of the core?

A. 5 percent B. 10 percent C. 15 percent D. 30 percent E. none of the above...

D.C. servomotors are used in______________?

A. purely D.C. control systems B. purely AC. control systems C. both D.C. and AC. control systems D. none of the above...

Transformers with a capacity of up to __________ have a cooling radiator system with natural cooling?

A. 2 MVA B. 5 MVA C. 7.5 MVA D. 10 MVA...