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Single Phase Motors
Which of the following single phase motor is available with speed as low as one revolution per month?
Shaded pole
Hysteresis
Universal
Reluctance
Shaded pole
Hysteresis
Universal
Reluctance
Answer
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Related Question
Single Phase Motors
Torque developed by a single phase induction motor at starting is
Pulsating
Uniform
Nil
None of the listed here
Pulsating
Uniform
Nil
None of the listed here
Answer
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Single Phase Motors
In a capacitor start, capacitor-run motor, _______ winding is cut out after starting.
Starting
Neither starting nor main
Main
None of the listed here
Starting
Neither starting nor main
Main
None of the listed here
Answer
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Single Phase Motors
Hysteresis motor is particularly useful for high-quality record players and tape-recorders because
it develops hysteresis torque which is extremely steady both in amplitude and phase
it is not subject to any magnetic or mechanical vibrations
it can be easily manufactured in extremely small sizes of up to 1 W output
it revolves synchronously
it develops hysteresis torque which is extremely steady both in amplitude and phase
it is not subject to any magnetic or mechanical vibrations
it can be easily manufactured in extremely small sizes of up to 1 W output
it revolves synchronously
Answer
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Single Phase Motors
Which of the following application make use of a universal motor?
Lathe machines
Portable tools
Oil expeller
Floor polishing machine
Lathe machines
Portable tools
Oil expeller
Floor polishing machine
Answer
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Single Phase Motors
A shaded pole motor does not possess
capacitor
all of these
commutator
centrifugal switch
capacitor
all of these
commutator
centrifugal switch
Answer
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