The time taken by the machine to attain 0.632 of its final steady temperature rise is called_____________?

Related Mcqs:

The action of electromagnetic machines can be related to which of the following basic principles __________?

A. Induction B. Interaction C. Alignment D. All of the above...

The density of hydrogen is __________ times the density of air?

A. 0.07 B. 1.5 C. 2.5 D. 3.5...

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...

The weight of copper of both armature and field windings decreases with __________ in number of poles?

A. increase B. decrease C. either of the above D. none of the above...

The cold rolled grain oriented steel has ___________ permeability in the direction of the grain orientation?

A. minimum B. maximum C. nil D. none of the above...