Single Phase Motors When a universal motor is operated on no load, its speed is limited by Supply voltage frequency Armature reaction Windage and friction Weight of the armature Supply voltage frequency Armature reaction Windage and friction Weight of the armature ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A universal motor operates on Synchronous speed with varying load Constant speed and varying load Approximately constant speed and load Constant load and varying speed Synchronous speed with varying load Constant speed and varying load Approximately constant speed and load Constant load and varying speed ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The direction of rotation of shaded pole motor depends on ______ Which half of the pole is shaded Number of poles on the stator Supply voltage Supply frequency Which half of the pole is shaded Number of poles on the stator Supply voltage Supply frequency ANSWER DOWNLOAD EXAMIANS APP
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 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 start and run slowly not start at all ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a capacitor start motor, the phase displacement between starting and running winding can be nearly 10° 60° 30° 90° 10° 60° 30° 90° 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 ? Capacitor start motor Universal motor Shaded pole type motor Capacitor start and run motor Capacitor start motor Universal motor Shaded pole type motor Capacitor start and run motor ANSWER DOWNLOAD EXAMIANS APP
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