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 For the same rating, a dc series motor costs ______single phase series motor. More than None of the listed here About the same Less than More than None of the listed here About the same Less than ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following motor will give the highest starting torque ? Repulsion start and induction run motor Universal motor Schrage motor C. shunt motor Repulsion start and induction run motor Universal motor Schrage motor C. shunt motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A 50 Hz, 4- pole single phase induction motor will have a synchronous speed of ______ 1200 rpm 1500 rpm 750 rpm None of the listed here 1200 rpm 1500 rpm 750 rpm None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors If a single phase induction motor runs slower than normal, the most likely defect is short-circuit in the winding worn bearings None of these open-circuit in the winding short-circuit in the winding worn bearings None of these open-circuit in the winding ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A 2 HP dc series motor will weigh ______2 HP single phase series motor. Less than None of the listed here About the same as More than Less than None of the listed here About the same as More than ANSWER DOWNLOAD EXAMIANS APP