Three Phase Induction Motors Slip rings are usually made of Carbon Aluminium Copper Phospor bronze Carbon Aluminium Copper Phospor bronze ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The 3- phase induction motor is so designed that the rotor should have ______ under running conditions. Low resistance Large slip High reactance high resistance Low resistance Large slip High reactance high resistance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The advantage of wound rotor motor is that _______ It is inexpensive External resistance can be inserted in the rotor circuit None of the listed here It requires less maintenance It is inexpensive External resistance can be inserted in the rotor circuit None of the listed here It requires less maintenance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If any two phases for an induction motor are interchanged The motor will not run The motor will run in reverse direction The motor will burn The motor will run at reduced speed The motor will not run The motor will run in reverse direction The motor will burn The motor will run at reduced speed ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shape of the torque/slip curve of induction motor is Parabola Rectangular parabola Straight line Hyperbola Parabola Rectangular parabola Straight line Hyperbola ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The power factor of an induction motor under no load conditions will be closer to Unity 0.2 lagging 0.5 leading 0.2 leading Unity 0.2 lagging 0.5 leading 0.2 leading ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS