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Single Phase Motors

Single Phase Motors
Electrical faults in a motor occur must commonly in its

Brushes
Commutator
Motor winding
Control equipment

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Single Phase Motors
A repulsion motor is equipped with

commutator
None of these
slip rings
both (A) and (B)

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Single Phase Motors
In repulsion motor direction of rotation of motor

is independent of brush shift
is the same as that of brush shift
is opposite to that of brush shift

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Single Phase Motors
The motor used on small lathes is usually

Dc shunt motor
3-phase synchronous motor
Universal motor
Single phase capacitor run motor

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Single Phase Motors
The repulsion start induction run motor is used because of

high starting torque
high efficiency
minimum cost
good power factor

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Single Phase Motors
A universal motor operates on

Constant speed and varying load
Synchronous speed with varying load
Approximately constant speed and load
Constant load and varying speed

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MORE MCQ ON Single Phase Motors

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