Electrical Machines In induction motor especially the cage rotors slots are nearly parallel to shaft axis. This is called cogging. skewing. crawling. slip. cogging. skewing. crawling. slip. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Brushes are always placed on--------------- , in order to achieve sparkles commutation? MNA GNA None of these either GNA or MNA MNA GNA None of these either GNA or MNA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Voltage regulation can be determined by which of the following? MMf method. ZPF method. All of these Synchronous impedance method. MMf method. ZPF method. All of these Synchronous impedance method. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A delta/star transformer is connected in parallel to a star/delta transformer. The turn ratio former is x times latter, the x is 3 √3 1/3 1/√3 3 √3 1/3 1/√3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the function of inter pole in DC generator? To serve the economical aspects. Both option B and C. To get a superior commutation. To neutralize the distortion of main field flux due to armature reaction. To serve the economical aspects. Both option B and C. To get a superior commutation. To neutralize the distortion of main field flux due to armature reaction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In electric locomotive which of the following motor are used ? Shunt motor. Separately compound motor. Synchronous motor. DC series motor. Shunt motor. Separately compound motor. Synchronous motor. DC series motor. ANSWER DOWNLOAD EXAMIANS APP