Electrical Machines A transformer has maximum efficiency at 3/4 load. The ratio of iron loss and full load copper loss is 4/3. 9/16. 16/9. 3/4. 4/3. 9/16. 16/9. 3/4. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating winding are used to rectify the flux density waveform at interpole region. region under main pole. None of these throughout the air gap. interpole region. region under main pole. None of these throughout the air gap. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC shunt motors are suitable for Centrifugal pumps Blowers and fans. All of this. Lathes. Centrifugal pumps Blowers and fans. All of this. Lathes. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For high current and low voltage rating which winding is employed to DC machine? Both wave and lap winding. Lap winding. No wave and lap winding. Wave winding. Both wave and lap winding. Lap winding. No wave and lap winding. Wave winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed by a synchronous motor depends on supply voltage and excitation supply voltage, load angle and excitation excitation and load angle supply voltage and load angle supply voltage and excitation supply voltage, load angle and excitation excitation and load angle supply voltage and load angle ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 12 pole, 600 V, 50 Hz star connected IM has rotor resistance and stand still resistance of 0.03 Ω and 0.5 Ω respectively. The speed of maximum torque will be 540 rpm. 240 rpm. 450 rpm. 470 rpm. 540 rpm. 240 rpm. 450 rpm. 470 rpm. ANSWER DOWNLOAD EXAMIANS APP
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