Single Phase Motors In repulsion motor, maximum torque is developed when brush axis coincides with the field axis None of these brush axis is at 90° electrical to the field axis brush axis is at 45° electrical to the field axis brush axis coincides with the field axis None of these brush axis is at 90° electrical to the field axis brush axis is at 45° electrical to the field axis ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The speed of a universal motor is generally reduced by using V-belts Brakes Gear trains Chains V-belts Brakes Gear trains Chains ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following statements regarding hysteresis motor is in incorrect ? It accelerates from rest to full-speed almost instantaneously It is extremely sensitive to fluctuations in supply voltage It is extremely quiet in operation Its high starting torque is due to its high rotor hysteresis loss It accelerates from rest to full-speed almost instantaneously It is extremely sensitive to fluctuations in supply voltage It is extremely quiet in operation Its high starting torque is due to its high rotor hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The purpose of starting winding in a single phase induction motor is to _____ Reduce losses Produce rotating flux in conjunction with main winding None of the listed here Limit temperature rise of the machine Reduce losses Produce rotating flux in conjunction with main winding None of the listed here Limit temperature rise of the machine ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following motors can be used for unity power factor ? Hysteresis motor Shaded pole motor Capacitor run motor Schrage motor Hysteresis motor Shaded pole motor Capacitor run motor Schrage motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors For the same rating, a dc series motor costs ______single phase series motor. None of the listed here Less than More than About the same None of the listed here Less than More than About the same ANSWER DOWNLOAD EXAMIANS APP
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