Question 42Electricity/Electronics - Assistant Engineer70% to pass
Within the split phase family of single phase motors, what are the operational characteristics of the motor shown in figure "A" of the illustration? Illustration EL-0207

AI Explanation
The correct answer is D) Relatively low starting torque and relatively low running efficiency.
The split-phase single-phase motor shown in figure "A" of illustration EL-0207 is a type of single-phase motor with a starting winding that is disconnected once the motor reaches a certain speed. This design results in relatively low starting torque, as the starting winding is not active during normal running operation. Additionally, the split-phase motor design typically has lower overall efficiency compared to other single-phase motor types, making the "relatively low running efficiency" characteristic also correct.
The other answer choices are incorrect because they do not accurately describe the operational characteristics of the split-phase single-phase motor shown in the illustration. For example, option A would be incorrect as split-phase motors do not have relatively high starting torque, and option B would be incorrect as they do not have relatively high running efficiency.
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#40 A shaded-pole motor is a specific type of motor included in what class of motor? #41 Which type of AC single-phase motor will also operate on direct current? #43 What type of rotor is most commonly used in the split-phase family of single-phase motors? #44 What is the main function in the use of a capacitor for starting a single phase motor? #45 What are the operational characteristics of the split phase motor shown in figure "A" of the illustration? Illustration EL-0215