The speed of a D.C. shunt motor is required to be more than full load speed. This is possible by______________?

Related Mcqs:

If a D.C. motor is connected across the A.C. supply it will_______________?

A. run at normal speed B. not run C. run at lower speed D. burn due to heat produced in the field winding by .eddy currents...

The ratio of starting torque to full-load torque is least in case of____________?

A. series motors B. shunt motors C. compound motors D. none of the above...

The condition for maximum power in case of D.C. motor is______________?

A. back e.m.f. = 2 x supply voltage B. back e.m.f. = | x supply voltage C. supply voltage = | x back e.m.f D. supply voltage = back e.m.f...

Which motor should not be started on no-load ?

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

D.C. motor is to a drive a load which is almost nil for certain part of the load cycle and peak value for short duration. We will select this______________?

A. series motor B. shunt motor C. compound motor D. any of the above...