Electrical Machines _____________ types of induction motor are widely used. Slip ring IM. Three phase IM. Squirrel cage IM. Single phase IM. Slip ring IM. Three phase IM. Squirrel cage IM. Single phase IM. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the applied voltage to a dc machine is 230 V, then the back emf, for maximum power developed, is 115 V 230 V 200 V 460 V 115 V 230 V 200 V 460 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Larger values of air flux density is taken while designing IM for larger output. none. both. larger bore diameter. larger output. none. both. larger bore diameter. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutation in a DC machine may be explained as a process in which magnetic field is set up. how alternate flux affects the main field flux. by virtue of which emf is induced in the armature conductors. by which electric current in a coil is reversed. in which magnetic field is set up. how alternate flux affects the main field flux. by virtue of which emf is induced in the armature conductors. by which electric current in a coil is reversed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Breather is provided in a transformer to filter the transformer oil. provide cold air in transformer. absorb moisture from air entering in transformer. absorb moisture of air during breathing. filter the transformer oil. provide cold air in transformer. absorb moisture from air entering in transformer. absorb moisture of air during breathing. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If peak value of phase mmf is F max , then peak value of the rotating field caused by three phase is (1/2)Fmax. (3/2)Fmax. 3Fmax. Fmax. (1/2)Fmax. (3/2)Fmax. 3Fmax. Fmax. ANSWER DOWNLOAD EXAMIANS APP
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