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 0.33 times 1.5 times The same as 3 times 0.33 times 1.5 times ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Most of the fractional horsepower motors have either ball or roller bearings plain or sleeve bearings hard and annealed bearings soft and porous bearings ball or roller bearings plain or sleeve bearings hard and annealed bearings soft and porous bearings ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a hysteresis motor, the rotor must have Retentivity Susceptibility Resistivity None of the listed here Retentivity Susceptibility Resistivity None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A vaccum cleaner employs _______motor. Shaded pole motor Single phase series motor Resistance split phase Capacitor start Shaded pole motor Single phase series motor Resistance split phase Capacitor start ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors If a DC series motor is operated on AC supply, it will Spark excessively Have poor efficiency All of the listed here Have poor power factor Spark excessively Have poor efficiency All of the listed here Have poor power factor ANSWER DOWNLOAD EXAMIANS APP
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