Which of the following motors will be used in electric clocks?

Related Mcqs:

The standard full-load power factor ratings for synchronous motors are___________?

A. zero or 0.8 leading B. unity or 0.8 lagging C. unity or 0.8 leading D. unity or zero...

The ratio of starting torque to running torque in a synchronous motor is____________?

A. zero B. one C. two D. infinity...

The efficiency of a properly designed synchronous motor will usually fall in range___________?

A. 60 to 70% B. 75 to 80% C. 85 to 95% D. 99 to 99.5%...

An over excited synchronous motor is used for____________?

A. fluctuating loads B. variable speed loads C. low torque loads D. power factor corrections...

The construction of a synchronous motor resembles____________?

A. a series motor B. an induction motor C. an alternator D. a rotary converter...