SINGLE PHASE MOTORS QUIZ

Either squirrel cage or wound

Squirrel cage

Wound

None of the listed here

1/4 HP

3/4 HP

2 HP

1 HP

Hysteresis

Single phase series motor

Resistance split phase

Shaded pole

good power factor

high starting torque

minimum cost

high efficiency

Sewing machine

Electric clock

Domestic mixi

Table fan

Low efficiency

Noisy operation

No centrifugal switch

Low power factor

Cost about the same as

Are costlier than

Poor starting torque than

Are less costly than

It requires no D.C. field excitation for its operation

It is nothing else but a single-phase, salient pole synchronous-induction motor

It cannot be reversed, ordinarily

Its squirrel cage-rotor is of unsym-metrical magnetic construction in order to vary reluc-tance path between stator and rotor

thick wire placed at the bottom of the slots

thin wire placed at the top of the slots

thin wire placed at the bottom of the slots

thick wire placed at the top of the? slots

Dc shunt motor

Universal motor

Single phase capacitor run motor

3-phase synchronous motor