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Dear candidates you will find MCQ questions of Control System 2 here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

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Q. 21) 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 & c
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Q. 22) Analysis of control system by Laplace transform technique is not possible for

(A) discrete time systems
(B) linear systems
(C) time invarient systems
(D) unstable continuous time systems
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Q. 23) Z-transform is used in:

(A) continuous optimal control problem
(B) discrete optimal problem
(C) control systems
(D) none of the mentione
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Q. 24) Unit step response of the system described by the equation y(n) +y(n-1) =x(n) is:

(A) z2/(z+1)(z-1)
(B) z/(z+1)(z-1)
(C) z+1/z-1
(D) z(z-1)/z+1
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Q. 25) The transfer function of a LTI system is given as 1/(s+1). What is the steady-state value of the unit-impulse response?

(A) 0
(B) 1
(C) 2
(D) infinite
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Q. 26) The values of the characteristic equation is given by:

(A) eigen values
(B) state matrix
(C) eigen vector
(D) none of the mentioned
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Q. 27) The state variable representation is preferred

(A) to increase the sensitivity to the plant parameter variations
(B) to reduce the sensitivity to the plant parameter variations
(C) to make a plant simple and to control the transient response
(D) none of the above
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Q. 28) With the knowledge of state space representation the transfer function of the system

(A) can be determined partly
(B) can be determined completely
(C) cannot be determined
(D) none of the above
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Q. 29) Which among the following are the interconnected units of state diagram representation?

(A) scalars
(B) adders
(C) integrators
(D) all of the above
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Q. 30) Which among the following controls the speed of D.C. motor?

(A) galvanometer
(B) gauss meter
(C) potentiometer
(D) tachometer
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