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Single Phase Motors
A universal motor operates on
Constant speed and varying load
Constant load and varying speed
Synchronous speed with varying load
Approximately constant speed and load
Constant speed and varying load
Constant load and varying speed
Synchronous speed with varying load
Approximately constant speed and load
Answer
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Related Question
Single Phase Motors
A capacitor-start single phase induction motor is switched on to supply with its capa-citor replaced by an inductor of equivalent reactance value. It will
start and run slowly
not start at all
start and run at rated speed
start and then stop
start and run slowly
not start at all
start and run at rated speed
start and then stop
Answer
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Single Phase Motors
Which motor will make least noise?
Capacitor motor
Shaded pole motor
Hysteresis motor
Universal motor
Capacitor motor
Shaded pole motor
Hysteresis motor
Universal motor
Answer
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Single Phase Motors
A motor gets overheated due to
Overloads
Worn bearings
All of the listed here
Dry bearings
Overloads
Worn bearings
All of the listed here
Dry bearings
Answer
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Single Phase Motors
Which of the following applications would need the smallest size of motor?
Sewing machine
Domestic mixi
Electric clock
Table fan
Sewing machine
Domestic mixi
Electric clock
Table fan
Answer
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Single Phase Motors
If the centrifugal switch of a two-value capacitor motor using two capacitors fails to open then
electrolytic capacitor will, in all probability, suffer break down
motor will not come up to speed
motor will not carry the load
current drawn by the motor will be excessively high
electrolytic capacitor will, in all probability, suffer break down
motor will not come up to speed
motor will not carry the load
current drawn by the motor will be excessively high
Answer
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