Single Phase Motors Which of the following applications would need the smallest size of motor? Electric clock Sewing machine Domestic mixi Table fan Electric clock Sewing machine Domestic mixi Table fan ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A Reluctance motor Need no dc excitation Is self starting Is constant speed motor All of the listed here Need no dc excitation Is self starting Is constant speed motor All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Centrifugal switch disconnects the auxiliary winding of the motor at about ____ percent of synchronous speed 100 70 to 80 80 to 90 30 to 40 100 70 to 80 80 to 90 30 to 40 ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors If a single phase induction motor runs slower than normal, the most likely defect is None of these worn bearings short-circuit in the winding open-circuit in the winding None of these worn bearings short-circuit in the winding open-circuit in the winding 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 quiet in operation It is extremely sensitive to fluctuations in supply voltage Its high starting torque is due to its high rotor hysteresis loss It accelerates from rest to full-speed almost instantaneously It is extremely quiet in operation 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 The capacitor start, capacitor run motor has _______ Low power factor Noisy operation Low efficiency No centrifugal switch Low power factor Noisy operation Low efficiency No centrifugal switch ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS