Answer Happy

Q5. Q6. Q7. Q8. Which of the following is true of a two-stage brushless Synchronous Generator? A. The exciter stage is of the rotating armature design and the main generator stage is of the rotating armature design The exciter stage is of the rotating field design and the main generator stage is of the rotating armature design B. C. D. E. A. B. C. D. E. Choose the response that best completes the following statement: Synchronous generators driven by steam turbines operate at poles and employ the_ rotor design. The exciter stage is of the rotating field design and the main generator stage is of the rotating field design ل دل ہم نے The exciter stage is of the rotating armature design and the main generator stage is of the rotating field design None of the above Choose the response that best completes the following statement: Synchronous generators driven by hydro turbines operate at poles and employ the rotor design. A. Low, many, salient-pole B. High, many, cylindrical Low, many, salient-pole High, many, cylindrical High, few, salient-pole High, few, cylindrical Low, few, salient-pole C. High, few, salient-pole D. High, few, cylindrical E. Low, few, salient-pole لا دن تم نے C. speeds, have A synchronous generator is operating in isolation without automatic field current or automatic speed control? Which of the following best describes the effect on the generator if the prime mover speed is increased? speeds, have A. The frequency increases and the terminal voltage is unchanged B. The frequency increases and the terminal voltage increases The frequency is unchanged and the terminal voltage is unchanged D. The frequency is unchanged and the terminal voltage increases E. The frequency increases and the terminal voltage decreases