Working Principle of Synchronous Generator - MCQs with answers

Working Principle of Synchronous Generator - MCQs with answers

Q1. When we plot the magnitude of the induced emf against the time, the nature of the induced emf will be

a. Sinusoidal
b. Square
c. Triangular
d. Parabolic

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Q2. During the one complete revolution of the conductor in a 4 pole synchronous generator, induced emf will experience

a. Two times maxima and two times zero
b. Two times maxima and four times zero
c. Eight times maxima and eight times zero
d. Four times maxima and four times zero

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Q3. In a synchronous generator, one pole is responsible for

a. 90 degree electrical of induced emf
b. 180 degree electrical of induced emf
c. 360 degree electrical of induced emf
d. 720 degree electrical of induced emf

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Q4. If the rotor poles of a 6 pole synchronous generator shift by 8 mechanical degrees from no load to full load, then its torque angle will be

a. 12 degrees
b. 24 degrees
c. 48 degrees
d. 136 degrees

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