Control Systems

72. The second derivative input signals modify which of the following?

1. The time constant of the system
2. Damping of the system
3. The gain of the system
4. The time constant and suppress the oscillations

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73. The temperature, under thermal and electrical system analogy, is considered analogous to

1. voltage
2. current
3. capacitance
4. charge

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74. The transfer function is applicable to which of the following?

1. Linear and time-in variant systems
2. Linear and time-variant systems
3. Linear systems
4. Non-linear systems

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75. The transfer function technique is considered as inadequate under which of the following conditions?

1. Systems having complexities and non-linearities
2. Systems having stability problems
3. Systems having multiple input disturbances
4. All of the above

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76. The transient response of a system is mainly due to

1. inertia forces
2. internal forces
3. stored energy
4. friction

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77. The transient response, with feedback system,

1. rises slowly
2. rises quickly
3. decays slowly
4. decays quickly

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78. The type 0 system has at the origin.

1. no pole
2. net pole
3. simple pole
4. two poles

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79. The type 1 system has at the origin.

1. no pole
2. net pole
3. simple pole
4. two poles

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80. The type 2 system has at the origin.

1. no net pole
2. net pole
3. simple pole
4. two poles

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