Electrical Machines In dc motors, under leading pole tips flux density will--------? None of these either increase or decrease increase decrease None of these either increase or decrease increase decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Use of fractional pitch winding All of these make it stiffer. results in reduced leakage reactance. results in reduced axial length of the machine. All of these make it stiffer. results in reduced leakage reactance. results in reduced axial length of the machine. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single phase transformer has specifications as 250 KVA, 11000 V/415 V, 50 Hz. What are the values of primary and secondary currents? primary = 301 A, secondary = 22.7 A primary = 22.7 A, secondary = 602.4 A primary = 602 A, secondary = 22.7 A primary = 11.4 A, secondary = 301 A primary = 301 A, secondary = 22.7 A primary = 22.7 A, secondary = 602.4 A primary = 602 A, secondary = 22.7 A primary = 11.4 A, secondary = 301 A ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What type of dielectric material is used in capacitors used for fans and for power factor correction? Glass. Vacuum. Mica. Oil impregnated paper. Glass. Vacuum. Mica. Oil impregnated paper. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC compound motor has tertiary winding. only series field winding. both shunt and series field winding. only shunt field winding. tertiary winding. only series field winding. both shunt and series field winding. only shunt field winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the speed of stator rotating magnetic field with respect to rotor rotating magnetic field? Zero None of these Slip speed Synchronous speed Zero None of these Slip speed Synchronous speed ANSWER DOWNLOAD EXAMIANS APP
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