The starting resistance of a D.C. motor is generally_______________?

Related Mcqs:

When two D.C. series motors are connected in parallel, the resultant speed is____________?

A. more than the normal speed B. loss than the normal speed C. normal speed D. zero...

Which of the following load normally needs starting torque more than the rated torque?

A. Blowers B. Conveyors C. Air compressors D. Centrifugal pumps...

For which of the following applications a D.C. motor is preferred over an A.C. motor ?

A. Low speed operation B. High speed operation C. Variable speed operation D. Fixed speed operation...

Which motor should not be started on no-load ?

A. Series motor B. Shunt motor C. Cumulatively compounded motor D. Differentially compounded motor...

The condition for maximum efficiency for a D.C. generator is______________?

A. eddy current losses = stray losses B. hysteresis losses = eddy current losses C. copper losses = 0 D. variable losses = constant losses...