Three Phase Induction Motors The term cogging is associated with Induction motors Dc series motors Compound generators Three phase transformer Induction motors Dc series motors Compound generators Three phase transformer ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A wound rotor motor is mainly used in applications where ______ Less costly motor is not required High rotor resistance is required during running High starting torque is required Speed control is required Less costly motor is not required High rotor resistance is required during running High starting torque is required Speed control is required ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The stator of a three phase induction motor produces _______ magnetic field. Rotating None of the listed here Alternating Steady Rotating None of the listed here Alternating Steady ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The condition of induction motor at no load resemble those of a transformer whose secondady is _______ Short-circuited None of the listed here Open circuited Supplying a variable resistive load Short-circuited None of the listed here Open circuited Supplying a variable resistive load ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors For higher efficiency of 3-phase induction motor, the slip should be Large Very large 1 As small as possible Large Very large 1 As small as possible ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The injected e.m.f. in the rotor of induction motor must have Zero frequency The same frequency as the slip frequency High value for the satisfactory speed control The same phase as the rotor e.m.f. Zero frequency The same frequency as the slip frequency High value for the satisfactory speed control The same phase as the rotor e.m.f. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS