Single Phase Motors The speed control of universal motor used for sewing machines is by Varying the resistance Tapping the field Friction Centrifugal mechanism Varying the resistance Tapping the field Friction Centrifugal mechanism ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A resistance split phase induction motor is used for ______ None of the listed here High inertia loads Low inertia loads Very high inertia loads None of the listed here High inertia loads Low inertia loads Very high inertia loads ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following applications always have some load whenever switched on? Vaccum cleaners Fan motors Piston drills All of the listed here Vaccum cleaners Fan motors Piston drills All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following motors has highest starting torque ? Split-phase motor Capacitor-start motor Repulsion motor Shaped pole motor Split-phase motor Capacitor-start motor Repulsion motor Shaped pole motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors For ceiling fans generally the single phase motor used is Capacitor start type Capacitor start and run type Split phase type Permanent capacitor type Capacitor start type Capacitor start and run type Split phase type Permanent capacitor type 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 In fractional horse power motors, it has replaced the capacitor motors It requires more maintenance of commutator and other mechanical devices It makes quite a bit of noise on starting It is not easily reversed In fractional horse power motors, it has replaced the capacitor motors It requires more maintenance of commutator and other mechanical devices ANSWER DOWNLOAD EXAMIANS APP