In D.C. machines the width of the duct is usually_____________?

Related Mcqs:

The change in flux linkages can be caused in which of the following ways ?

A. The flux is constant with respect to time and is stationary and the coil moves through it B. The coil is stationary with respect to flux and the flux varies in magnitude with respect to time C. Both the changes mentioned above occur together, i.e., the coil moves through a time varying field D. … The change in flux linkages can be caused in which of the following ways ?Read More...

Which of the following methods is used for air cooling of turbo-alternators ?

A. One sided axial ventilation B. Two sided axial ventilation C. Multiple inlet system D. All of the above...

Dummy coil should not be used in_________________?

A. small machines B. large machines C. either A. or B. D. none of the above...

The stator of a D.C. machine comprises of_____________?

A. main poles B. interpoles C. frame D. all of the above...

The high voltage winding is usually which of the following type ?

A. Cylindrical winding with circular conductors B. Cross-over winding with either circular or small rectangular conductors C. Continuous disc type winding with rectangular conductors D. All of the above types...