Single Phase Motors Most of the fractional horsepower motors have either ball or roller bearings plain or sleeve bearings soft and porous bearings hard and annealed bearings ball or roller bearings plain or sleeve bearings soft and porous bearings hard and annealed bearings ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The motor used for the compressors is reluctance motor c. series motor capacitor-start capacitor-run motor shaded pole motor reluctance motor c. series motor capacitor-start capacitor-run motor shaded pole motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The purpose of starting winding in a single phase induction motor is to _____ 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 Reduce losses Produce rotating flux in conjunction with main winding None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The speed of a universal motor is generally reduced by using V-belts Chains Gear trains Brakes V-belts Chains Gear trains Brakes ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The direction of rotation of an hysteresis motor is determined by position of shaded pole with respect to main pole retentivity of the rotor material none of these interchanging the supply leads position of shaded pole with respect to main pole retentivity of the rotor material none of these interchanging the supply leads 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
EXAMIANS