Single Phase Motors Which of the following application make use of a universal motor? Portable tools Lathe machines Floor polishing machine Oil expeller Portable tools Lathe machines Floor polishing machine Oil expeller ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following statements regarding a reluctance motor is incorrect ? It cannot be reversed, ordinarily It is nothing else but a single-phase, salient pole synchronous-induction motor It requires no D.C. field excitation for its operation Its squirrel cage-rotor is of unsym-metrical magnetic construction in order to vary reluc-tance path between stator and rotor It cannot be reversed, ordinarily It is nothing else but a single-phase, salient pole synchronous-induction motor It requires no D.C. field excitation for its operation Its squirrel cage-rotor is of unsym-metrical magnetic construction in order to vary reluc-tance path between stator and rotor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors For the same rating, the size of a single phase induction motor is about _______ that of the corresponding 3-phase induction motor. The same as 3 times 1.5 times 0.33 times The same as 3 times 1.5 times 0.33 times 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 Capacitor start and run motor Universal motor Capacitor start motor Shaded pole type motor Capacitor start and run motor Universal motor Capacitor start motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A resistance split phase induction motor is used for ______ None of the listed here High inertia loads Very high inertia loads Low inertia loads None of the listed here High inertia loads Very high inertia loads Low inertia loads ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The speed control of universal motor used for sewing machines is by Tapping the field Varying the resistance Friction Centrifugal mechanism Tapping the field Varying the resistance Friction Centrifugal mechanism ANSWER DOWNLOAD EXAMIANS APP
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