Question 31 : " When some of the states are inaccessible, then we may set the feedback coefficients equal to zero."
1. " True"
2. " False"
3.
4.
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Question 32 : " The main step for solving the optimal control problem:"
1. " Transfer function of system which is optimal with respect to the given performance criterion"
2. " Compensators for the system"
3. " Minimizing the quadratic function"
4. " All of the mentioned"
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Question 33 : " In finite time regulator:"
1. " There is no restriction on the controllability of the plant"
2. " Performance index is infinite"
3. " Instability imposes problem in finite-interval control"
4. " No restriction on controllability and performance index"
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Question 34 : " For the stability in optimal control poles of the transfer function must be :"
1. " Located on the right half of s plane"
2. " Left half of s plane"
3. " On the s plane"
4. " None of the mentioned"
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Question 35 : " Electronic Controller:"
1. " Flexible operation"
2. " High torque high speed operation"
3. " Fire and explosion proof operation"
4. " No leakage"
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Question 36 : " Which of the following devices are commonly used as error detectors in instruments?"
1. " Vern stats"
2. " Microsyn"
3. " Resolvers"
4. " All of the mentioned"
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Question 37 : " By which of the following the control action is determined when a man walks along a path?"
1. " Brain"
2. " Hands"
3. " Legs"
4. " Eyes"
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Question 38 : " Which of the following is the best method for determining the stability and transient response?"
1. " Root locus"
2. " Bode plot"
3. " Nyquist plot"
4. " None of the mentioned"
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Question 39 : " The choice of control vector is considered decision of interest in :"
1. " Multistage process of N stages"
2. " Minimizing the performance index"
3. " Optimal policy or sequence"
4. " All of the mentioned"
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Question 40 : " Any externally introduced signal affecting the controlled output is called a"
1. " Feedback"
2. " Stimulus"
3. " Signal"
4. " Gain control"
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