Electrical Machines How can the synchronous speed of a 3 - Φ IM be varied? By varying number of poles. By varying the supply frequency. By varying supply voltage. Both (A) and (B). By varying number of poles. By varying the supply frequency. By varying supply voltage. Both (A) and (B). ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor normally does not depend on shaft torque. core loss component. rotor speed. synchronous speed. shaft torque. core loss component. rotor speed. synchronous speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In shapers and slotters which motor are preferred? Double cage motor. Squirrel cage IM. Synchronous motor. Slip ring IM. Double cage motor. Squirrel cage IM. Synchronous motor. Slip ring IM. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor winding for a 3-phase slip-ring induction motor having delta-connected stator must be connected in None of these delta or star according to need. star. delta. None of these delta or star according to need. star. delta. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A slip ring Induction motor runs at 290 rpm at full load, when connected to 50 Hz supply. Determine the number of poles and slip. P = 50, s = 4.43 %. P = 20, s = 3.33 %. P = 60, s = 0.96 %. P = 40, s = 5.79 %. P = 50, s = 4.43 %. P = 20, s = 3.33 %. P = 60, s = 0.96 %. P = 40, s = 5.79 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Breadth factor is defined as the ratio of both 1 and 2. emf with concentrated winding to emf with distributed winding. None of these emf with distributed winding to emf with concentrated winding. both 1 and 2. emf with concentrated winding to emf with distributed winding. None of these emf with distributed winding to emf with concentrated winding. ANSWER DOWNLOAD EXAMIANS APP
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