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Single Phase Motors

Single Phase Motors
Which of the following applications would need the smallest size of motor?

Sewing machine
Table fan
Electric clock
Domestic mixi

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Single Phase Motors
At starting, the line current of a capacitor start induction motor is ______ the normal full load current.

8 to 10 times
4 to 5 times
7 to 8 times
Equal to

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Single Phase Motors
The speed of a universal motor is generally reduced by using

Gear trains
Brakes
Chains
V-belts

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Single Phase Motors
Which of the following applications always have some load whenever switched on?

Fan motors
Vaccum cleaners
All of the listed here
Piston drills

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Single Phase Motors
The speed/load characteristics of a universal motor is same as that of

None of the listed here
AC motor
DC series motor
DC shunt motor

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Single Phase Motors
Capacitor motors _______resistance split phase induction motors.

Are less costly than
Poor starting torque than
Cost about the same as
Are costlier than

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