Which of the following motors is usually used in house-hold refrigerators ?

Related Mcqs:

According to Fleming’s left-hand rule, when the forefinger points in the direction of the field or flux, the middle finger will point in the direction of_________________?

A. current in the conductor aovtaat of conductor C. resultant force on conductor D. none of the above...

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...

If a D.C. shunt motor is working at no load and if shunt field circuit suddenly opens__________?

A. nothing will happen to the motor B. this will make armature to take heavy current, possibly burning it C. this will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses D. motor will run at very slow speed...

The speed of a motor falls from 1100 r.p.m. at no-load to 1050 r.p.m. at rated load. The speed regulation of the motor is______________?

A. 2.36% B. 4.76% C. 6.77% D. 8.84%...

For which types of D.C. motor, dynamic braking is generally used ?

A. Shunt motors B. Series motors C. Compound motors D. All of the above...