Electrical Machines The frequency of voltage generated by an alternator having 8 poles and rotating at 250 rpm is 16.67 Hz. 50 Hz. 25 Hz. 60 Hz. 16.67 Hz. 50 Hz. 25 Hz. 60 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tertiary winding in a transformer is mostly delta connected. zig - zag delta connected. star connected. zig - zag star connected. delta connected. zig - zag delta connected. star connected. zig - zag star connected. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stepper motor is used in food processing traction All of these computer printers food processing traction All of these computer printers ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A triangular mmf wave is produced in the air gap of an electric machine. Such wave is produced by stator of a dc machine. rotor of an synchronous machine. stator of a induction machine. rotor of a dc machine. stator of a dc machine. rotor of an synchronous machine. stator of a induction machine. rotor of a dc machine. 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 zero infinite value maximum any of the above zero infinite value maximum any of the above ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The wound rotor type IM is used for____________ speed operation. minimum. maximum. constant. variable. minimum. maximum. constant. variable. ANSWER DOWNLOAD EXAMIANS APP