Electrical Machines DC machine is a conduction machine. none of above are correct. convection machine. both are correct. conduction machine. none of above are correct. convection machine. both are correct. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Use of fractional pitch winding make it stiffer. results in reduced leakage reactance. results in reduced axial length of the machine. All of these make it stiffer. results in reduced leakage reactance. results in reduced axial length of the machine. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A series motor is efficiently suitable for constant speed operation. low starting torque operation. none of these. high starting torque operation. constant speed operation. low starting torque operation. none of these. high starting torque operation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For high current and low current rating which winding is employed to DC machine? Both lap and wave winding Lap winding Wave winding None of above Both lap and wave winding Lap winding Wave winding None of above ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 500 V, 55 kVA single phase alternator has an effective resistance of 0.5 Ω. An excitation current of 10 A produces 200 A armature current on short circuit and an emf of 450 V on per circuit. The synchronous reactance will be 2.781 Ω. 25.564 Ω. 2.74 Ω. 2.241 Ω. 2.781 Ω. 25.564 Ω. 2.74 Ω. 2.241 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc motor with armature resistance of 0.5 ohms connected directly to a 230 Volt supply. If the armature is stationary then the current flowing through armature is 460 A. 340 A. 250 A. 570 A. 460 A. 340 A. 250 A. 570 A. ANSWER DOWNLOAD EXAMIANS APP
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