Electrical Machines Which of the following DC Motor requires 3 point starter? Shunt, compound and series motor. Shunt motor. Shunt motor as well as compound motors. Series motor. Shunt, compound and series motor. Shunt motor. Shunt motor as well as compound motors. Series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The basic function of a transformer is to change the power level the level of the voltage the power factor the frequency the power level the level of the voltage the power factor the frequency ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip rings of an induction motors are made of stainless steel. phosphor bronze. carbon. aluminium. stainless steel. phosphor bronze. carbon. aluminium. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following rotor requires damper winding? Both type rotor. None of these Cylindrical rotor. Salient pole rotor. Both type rotor. None of these Cylindrical rotor. Salient pole rotor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of motors are used for lathes? Cage induction motor. DC shunt motors. Synchronous motor. Either A or B. Cage induction motor. DC shunt motors. Synchronous motor. Either A or B. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC Shunt Motor having armature resistance of 0.5 Ω and 2A armature current at no-load, when the armature current is changed to 20A at loaded condition the speed is 1000 r.p.m. What is the speed at no-load? 1037.5 r.p.m. 963.8 r.p.m. 4575.4 r.p.m. 1130 r.p.m. 1037.5 r.p.m. 963.8 r.p.m. 4575.4 r.p.m. 1130 r.p.m. ANSWER DOWNLOAD EXAMIANS APP