Electrical Machines Example of double excited machine is Both are correct. Synchronous motor. None of these DC Shunt Motor Both are correct. Synchronous motor. None of these DC Shunt Motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output power of a dc motor is given by none of these. EIa. EbIa2. EbIa. none of these. EIa. EbIa2. EbIa. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of generated emf in the armature coil of a DC machine is 1. the same as that of the current in a generator 2. the same as that of the current in a motor 3. opposite to that of the current in a generator 4. opposite to that of the current in a motor From these, the correct answer is 1, 4 1, 3 2, 4 2, 3 1, 4 1, 3 2, 4 2, 3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If iron loss and full load copper loss of any transformer are denoted by Pi and Pc, then the load corresponding to maximum efficiency is given by (Pi / Pc) × full Load. (Pi / Pc)2 × full Load. (Pi / Pc)0.5 × Full Load. (Pi / Pc)1.6 × full Load. (Pi / Pc) × full Load. (Pi / Pc)2 × full Load. (Pi / Pc)0.5 × Full Load. (Pi / Pc)1.6 × full Load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the emf generated by a 4 pole Lap connected DC Motor rotating at 1500 rpm having 1000 conductors and useful flux per pole is 0.4 mWb. 30 volts. 10 volts. 40 volts. 20 volts. 30 volts. 10 volts. 40 volts. 20 volts. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine yoke offers flux path completion produce working flux mechanical protection to the machine both A and B flux path completion produce working flux mechanical protection to the machine both A and B ANSWER DOWNLOAD EXAMIANS APP
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