Electrical Machines The heat generated in the transformer is dissipated mainly by convection. conduction. radiation. All of these convection. conduction. radiation. All of these 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 230 V 200 V 115 V 460 V 230 V 200 V 115 V 460 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a cumulatively compound DC motor can be controlled by varying Shunt field resistance control. Armature resistance control. Armature voltage control. Any of above. Shunt field resistance control. Armature resistance control. Armature voltage control. Any of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In salient pole synchronous machine, if direct axis reactance and quadrature axis reactance is equal, then power developed due to reluctance is infinite value any of the above zero maximum infinite value any of the above zero maximum ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors normally use cast aluminium rotor because aluminium is cheaper in cost. easy to cast owing to its low melting point and is easily available. of low resistivity. lighter in weight. cheaper in cost. easy to cast owing to its low melting point and is easily available. of low resistivity. lighter in weight. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine yoke offers mechanical protection to the machine produce working flux both A and B flux path completion mechanical protection to the machine produce working flux both A and B flux path completion ANSWER DOWNLOAD EXAMIANS APP