Electrical Machines The armature MMF waveform of a DC machine is rectangular. sinusoidal. pulsating. triangular. rectangular. sinusoidal. pulsating. triangular. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An unexcited single phase synchronous motor is repulsion motor. AC series motor. universal motor. reluctance motor. repulsion motor. AC series motor. universal motor. reluctance motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 8 pole, 50 Hz single phase induction motor is running at 690 rpm. Its slip with respect to forward field is 0.08 -1.92 1.92 -0.08 0.08 -1.92 1.92 -0.08 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A transformer has maximum efficiency at 3/4 load. The ratio of iron loss and full load copper loss is 3/4. 9/16. 4/3. 16/9. 3/4. 9/16. 4/3. 16/9. 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 delta. None of these star. delta or star according to need. delta. None of these star. delta or star according to need. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Magnetic field of a DC generator is produced by what? Both B and C. Electromagnets. None of the options. Permanent magnets. Both B and C. Electromagnets. None of the options. Permanent magnets. ANSWER DOWNLOAD EXAMIANS APP
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