Electrical Machines The speed of stator rotating magnetic field (RMF) with respect to rotor is Zero Nr Ns S.Ns Zero Nr Ns S.Ns ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For larger units high torque it is preferred to use Slip induction motor. DC shunt motor. Partial motor. Universal motor. Slip induction motor. DC shunt motor. Partial motor. Universal motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following alternators contain large number of poles? Turbo alternators. None of these Hydro alternators. Aame in both alternators. Turbo alternators. None of these Hydro alternators. Aame in both alternators. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is power factor of a 3 - φ induction motor at no load? Low. Equal to 1. Same as full load. High. Low. Equal to 1. Same as full load. High. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Swinburne's test is applicable to DC shunt and level Compound motor. DC series motor. DC compound motor. DC Shunt motor. DC shunt and level Compound motor. DC series motor. DC compound motor. DC Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the load current and the flux of a DC motor are held constant and voltage applied across its armature is increased by 5%, the speed of the motor will reduce by 5 %. remain unchanged. depend on other factors. increase by 5 %. reduce by 5 %. remain unchanged. depend on other factors. increase by 5 %. ANSWER DOWNLOAD EXAMIANS APP
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