THREE PHASE INDUCTION MOTORS QUIZ

Self starting with low torque

Self starting with high torque

Non self starting

Self starting with zero torque

None of the listed here

Steady

Alternating

Rotating

Slightly more than full load torque

Negligible

Same as full load torque

Low

Its power factor goes on increasing up to full load and then it falls again

Its power factor goes on increasing even after full load

Its power factor goes on decreasing

Its power factor remains constant

Two

Four

Three

One

Decreased at starting

None of the listed here

Increased at starting

Increased under running conditions

Has simple and rugged construction

Provides fine speed control

None of the listed here

Provides high starting torque

The maximum flux/poles

The number of its poles

Both supply frequency and number of poles

The supply frequency

300 rpm

1200 rpm

1000 rpm

600 rpm

50 Hz

20 Hz

2 Hz

200 Hz