Control Systems

61. technique gives quick transient and stability response

1. Root locus
2. Bode
3. Nyquist
4. Nichols

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62. technique is not applicable to nonlinear system?

1. Nyquist Criterion
2. Quasi linearization
3. Functional analysis
4. Phase-plane representation

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63. The band width, in a feedback amplifier.

1. remains unaffected
2. decreases by the same amount as the gain increase
3. increases by the sane saaaajajt as the gain decrease
4. decreases by the same amount as the gain decrease

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64. The capacitance, in force-current analogy, is analogous to

1. momentum
2. velocity
3. displacement
4. mass

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65. The effect of error damping is to

1. provide larger settling lime
2. delay the response
3. reduce steady state error
4. any of the above

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66. The first order control system, which is well designed, has a

1. small bandwidth
2. negative time constant
3. large negative transfer function pole
4. none of the above

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

1. Laplace Transform and Fourier Integral
2. Laplace Transform
3. Fourier Integral
4. Either (b) or (c)

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68. The initial response when tne output is not equal to input is called

1. Transient response
2. Error response
3. Dynamic response
4. Either of the above

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69. The output of a feedback control system must be a function of

1. reference and output
2. reference and input
3. input and feedback signal
4. output and feedback signal

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70. The phase lag produced by transportation relays

1. is independent of frequency
2. is inverseh’proportional to frequency
3. increases linearly with frequency
4. decreases linearly with frequency

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71. The position and velocity errors of a type-2 system are

1. constant, constant
2. constant, infinity
3. zero, constant
4. zero, zero

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