Single Phase Motors The speed of a universal motor is generally reduced by using Chains Gear trains Brakes V-belts Chains Gear trains Brakes V-belts ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A repulsion motor is equipped with commutator slip rings None of these both (A) and (B) commutator slip rings None of these both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors If a DC series motor is operated on AC supply, it will All of the listed here Have poor power factor Spark excessively Have poor efficiency All of the listed here Have poor power factor Spark excessively Have poor efficiency ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The purpose of starting winding in a single phase induction motor is to _____ Reduce losses None of the listed here Produce rotating flux in conjunction with main winding Limit temperature rise of the machine Reduce losses None of the listed here Produce rotating flux in conjunction with main winding Limit temperature rise of the machine ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following statements regarding hysteresis motor is in incorrect ? It is extremely quiet in operation It accelerates from rest to full-speed almost instantaneously It is extremely sensitive to fluctuations in supply voltage Its high starting torque is due to its high rotor hysteresis loss It is extremely quiet in operation It accelerates from rest to full-speed almost instantaneously It is extremely sensitive to fluctuations in supply voltage Its high starting torque is due to its high rotor hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A universal motor operates on Approximately constant speed and load Constant load and varying speed Constant speed and varying load Synchronous speed with varying load Approximately constant speed and load Constant load and varying speed Constant speed and varying load Synchronous speed with varying load ANSWER DOWNLOAD EXAMIANS APP
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