Single Phase Motors Which of the following motors is generally used for elctric shavers? Hysteresis motor Shaded pole motor Universal motor Reluctance motor Hysteresis motor Shaded pole motor Universal motor Reluctance motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In case of a reluctance motor, when the load is increased so that it cannot maintain synchronous speed the motor will Fall out of synchronism and come to stand still Run as induction motor Become unstable Draw excessive armature current and may burn out Fall out of synchronism and come to stand still Run as induction motor Become unstable Draw excessive armature current and may burn out ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In repulsion motor, maximum torque is developed when None of these brush axis coincides with the field axis brush axis is at 45° electrical to the field axis brush axis is at 90° electrical to the field axis None of these brush axis coincides with the field axis brush axis is at 45° electrical to the field axis brush axis is at 90° electrical to the field axis ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following statements regarding repulsion-start induction motor is incorrect ? It makes quite a bit of noise on starting It is not easily reversed It requires more maintenance of commutator and other mechanical devices In fractional horse power motors, it has replaced the capacitor motors It makes quite a bit of noise on starting It is not easily reversed It requires more maintenance of commutator and other mechanical devices In fractional horse power motors, it has replaced the capacitor motors ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Torque developed by a single phase induction motor at starting is None of the listed here Pulsating Uniform Nil None of the listed here Pulsating Uniform Nil ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors If a particular application needs high speed and high starting torque, then which of the following motor will bepreferred ? Shaded pole type motor Universal motor Capacitor start motor Capacitor start and run motor Shaded pole type motor Universal motor Capacitor start motor Capacitor start and run motor ANSWER DOWNLOAD EXAMIANS APP
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