Single Phase Motors Hysteresis motor is particularly useful for high-quality record players and tape-recorders because 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 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 ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following motors is generally used for elctric shavers? Reluctance motor Universal motor Shaded pole motor Hysteresis motor Reluctance motor Universal motor Shaded pole motor Hysteresis motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The starting winding of a single phase induction motor has ______ that of main winding. Less poles than None of the listed here Same number of poles as More poles than Less poles than None of the listed here Same number of poles as More poles than ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following single phase motor is available with speed as low as one revolution per month? Universal Hysteresis Shaded pole Reluctance Universal Hysteresis Shaded pole Reluctance ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors For the same rating, the efficiency of a single phase induction motor is _______ that of 3-phase induction motor. The same as More than Less than None of the listed here The same as More than Less than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors When a universal motor is operated on no load, its speed is limited by Supply voltage frequency Weight of the armature Armature reaction Windage and friction Supply voltage frequency Weight of the armature Armature reaction Windage and friction ANSWER DOWNLOAD EXAMIANS APP
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