Electrical Machines 3rd harmonics are eliminated in induction motor by using star connection. delta connection. V connection. zig - zag connection. star connection. delta connection. V connection. zig - zag connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Unbalance 3 - Φ stator currents cause vibrations. All of these heating of rotor. double frequency currents in the rotor. vibrations. All of these heating of rotor. double frequency currents in the rotor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The induction motor shaft is made of aluminium. stainless steel. cast iron. mild steel. aluminium. stainless steel. cast iron. mild steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Rotating magnetic field is produced in an induction motor because of stator winding. None of these either stator winding or rotor winding. rotor winding. stator winding. None of these either stator winding or rotor winding. rotor winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power flow of a dc motor, with respect to a DC generator is none of these. modified. increased. reversed. none of these. modified. increased. reversed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a 3 - Φ induction motor can be reversed by transposing any two leads from slip rings. disconnecting any one phase. transposing all the three leads from the supply. transposing any two leads from supply. transposing any two leads from slip rings. disconnecting any one phase. transposing all the three leads from the supply. transposing any two leads from supply. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS