Electrical Machines Transformer core is laminated to reduce hysteresis loss. both 1 and 2. copper loss. eddy current loss. hysteresis loss. both 1 and 2. copper loss. eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor hunting can be reduced to minimum possible by providing damper winding in the rotor pole faces. using a flywheel. any of above methods. designing the motor for adequate synchronizing power. providing damper winding in the rotor pole faces. using a flywheel. any of above methods. designing the motor for adequate synchronizing power. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Larger values of air flux density is taken while designing IM for none. larger output. larger bore diameter. both. none. larger output. larger bore diameter. both. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward Leonard control provides speed control below rated speed. in both direction. above rated speed. in one direction only. below rated speed. in both direction. above rated speed. in one direction only. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines With the increases in field excitation of a DC generator, its generated emf decreases. increases. increases upto a limit and then remains almost constant. remains constant. decreases. increases. increases upto a limit and then remains almost constant. remains constant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is/are the advantages of parallel operation of alternators? Increase efficiency under light load conditions Increase in reliability continuity supply is maintained All of these Increase efficiency under light load conditions Increase in reliability continuity supply is maintained All of these ANSWER DOWNLOAD EXAMIANS APP
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