Electrical Machines Compensating winding are used to rectify the flux density waveform at interpole region. None of these throughout the air gap. region under main pole. interpole region. None of these throughout the air gap. region under main pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single-phase transformer has its maximum efficiency at 60 percent of full load. At full load copper loss will be more than core loss. zero. less than core loss. equal to core loss. more than core loss. zero. less than core loss. equal to core loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When two DC series motors are connected in parallel, the resultant speed is normal speed. less than normal speed. zero. more than normal speed. normal speed. less than normal speed. zero. more than normal speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchorous generator connected to an infinite bus is over excited. Considering only the reactive power from the point view of the system the machine acts as an inductor. None of these. A resistor. A capacitor. an inductor. None of these. A resistor. A capacitor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slot edges in a DC machine are made of Silicon steel. Mild steel. Fibre. Cast iron. Silicon steel. Mild steel. Fibre. Cast iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following methods are suitable for the speed control of squirrel cage induction motor? 1. Voltage control. 2. Frequency control. 3. Pole changing method. 4. Rotor resistance control select the correct answer using the codes given below:- 1, 2 and 3. 2 and 4. 1, 3 and 4. 2, 3 and 4. 1, 2 and 3. 2 and 4. 1, 3 and 4. 2, 3 and 4. ANSWER DOWNLOAD EXAMIANS APP
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