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Control Systems MCQ Questions & Answers | ECE

Learn Control Systems MCQ questions & answers are available for a Electronics and Communications Engineering(ECE) students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Control Systems MCQ question is the important chapter for a Electronics and Communications Engineering(ECE) and GATE students. Page-4 section-2

Each section contains 100 MCQs on Control Systems .
31
The response c(t) of a system is described by the differential equation $$\frac{{{d^2}c\left( t \right)}}{{d{t^2}}} + 4\frac{{dc\left( t \right)}}{{dt}} + 5c\left( t \right) = 0$$
The system response is:
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Answer & Solution
Answer: Option B
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32
For small value of gain K, the root must be:
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Answer & Solution
Answer: Option B
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33
The open loop dc gain of the unity negative feedback system with closed-loop transfer function $$\frac{{s + 4}}{{{s^2} + 7s + 13}}$$   is
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Answer: Option B
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34
A system has a single pole at origin. Its impulse response will be:
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Answer: Option A
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35
A lag network for compensation normally consist of
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Answer: Option B
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36
The state variable representation of a system is given as
\[\begin{array}{l} \mathop x\limits^ \cdot = \left[ {\begin{array}{*{20}{c}} 0&1\\ 0&{ - 1} \end{array}} \right]x,\,x\left( 0 \right) = \left[ \begin{array}{l} 1\\ 0 \end{array} \right]\\ y = \left[ {0\,\,1} \right]x \end{array}\]
The response y(t) is
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Answer: Option D
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37
For a type 1 system, the low frequency asymptote of its Bode plot will have a slope of:
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Answer: Option D
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38
Consider the following statements for signal flow graph:
1. It represents linear as well as non-linear systems.
2. It is not unique for a given system.
Which of the above statements is/are correct?
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Answer: Option B
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39
The gain-phase plots of open-loop transfer function of four different systems are shown below. The correct sequence of the increasing order of stability of these four systems will be:
Control Systems mcq question image
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Answer: Option B
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40
Group I gives two possible choices for the impedance Z in the diagram. The circuit elements in Z satisfy the condition R2C2 > R1C1. The transfer function $$\frac{{{V_0}}}{{{V_i}}}$$ represents a kind of controller. Match the impedances in Group I with the types of controllers in Group II.
Control Systems mcq question image
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Answer: Option B
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