Electrical Machines Which of the following DC generators has rising V-I characteristics? None of them. Shunt. Compound. Series. None of them. Shunt. Compound. Series. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A small air gap in poly phase induction motor helps to reduce chance of cogging. increase starting torque. reduce chance of crawling. reduce magnetizing current. reduce chance of cogging. increase starting torque. reduce chance of crawling. reduce magnetizing current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a DC Series motor is connected across an AC supply it will run at lower speed. run at normal speed. burn. not run. run at lower speed. run at normal speed. burn. not run. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A crusher is equipped with Reluctance motor. DC shunt motor. Synchronous motor. Slip ring induction motor. Reluctance motor. DC shunt motor. Synchronous motor. Slip ring induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a 3 - Φ induction motor can be reversed by 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. transposing any two leads from slip rings. disconnecting any one phase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque angle, in a synchronous motor, is the angle between magnetizing electric current and back emf. the rotating stator flux and rotor flux. the supply voltage and the back emf. None of these magnetizing electric current and back emf. the rotating stator flux and rotor flux. the supply voltage and the back emf. None of these ANSWER DOWNLOAD EXAMIANS APP
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