# Laplace And Fourier Integral - Control System Multiple Choice Questions and Answers

16. In Laplace and Fourier integral

A. Only frequency domain is related

B. Only time domain is related

C. Frequency and time domain are related

D. None of the above

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C. Frequency and time domain are related

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17. Which of the following is an assumption made in Laplace technique is sampled data control?

A. Sampler is having small pulse duration

B. Sampler is working on periodic duty cycle

C. Sampler is having sampled information fed to a linearily relaxed system

D. Sampler is ideal having make and break contacts operating instantly

E. All of the above

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18. Which of the following is an advantage of Laplace transform method?

A. It gives solution in frequency domain only

B. It gives total solution more systematically

C. Initial conditions are incorporated in the very first step

D. Both B and C

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19. Analysis of control systems by Laplace transform technique is not possible for

A. Discrete-time systems

B. Linear systems

C. Time-invariant systems

D. Unstable continuous-time systems

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20. The frequency and time domain are related through which of the following?

A. Laplace Transform and Fourier Integral

B. Laplace Transform

C. Fourier Integral

D. Either B and C

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