In medium sized induction motors, the slip is generally around___________?

Related Mcqs:

A double squirrel-cage induction motor has______________?

A. two rotors moving in oppsite direction B. two parallel windings in stator C. two parallel windings in rotor D. two series windings in stator...

In three-phase squirrel-cage induction motors____________?

A. rotor conductor ends are short-circuited through slip rings B. rotor conductors are short-circuited through end rings C. rotor conductors are kept open D. rotor conductors are connected to insulation...

If a 3-phase supply is given to the stator and rotor is short circuited rotor will move___________?

A. in the opposite direction as the direction of the rotating field B. in the same direction as the direction of the field C. in any direction depending upon phase squence of supply...

In the squirrel-cage induction motor the rotor slots are usually given slight skew__________?

A. to reduce the magnetic hum and locking tendency of the rotor B. to increase the tensile strength of the rotor bars C. to ensure easy fabrication D. none of the above...

Insertion of resistance in the rotor of an induction motor to develop a given torque?

A. decreases the rotor current B. increases the rotor current C. rotor current becomes zero D. rotor current rernains same...