Stability Conditions MCQs : This section focuses on the "Stability Conditions". These Multiple Choice Questions (MCQs) should be practiced to improve the Stability Conditions skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
In non-linear system stability is :
A. Dependent on the input
B. Independent on initial state
C. Independent on input
D. Dependent on input and initial state.
Question 2
None of the coefficients can be zero or negative unless one of the following occurs:
A. One or more roots have positive real parts
B. A root at origin
C. Presence of root at the imaginary axis
D. All of the mentioned
Question 3
Non-linear elements may exhibit___________
A. Linear systems
B. Non-linear systems
C. Limit cycles
D. Time invariant systems
Question 4
System non-linearities are taken account by:
A. Analytical
B. Graphical and numerical techniques
C. Both a and b
D. None of the mentioned
Question 5
The __________ of the coefficients of characteristic equation is necessary as well as sufficient condition for the stability of system of first and second order.
A. Negativeness
B. Positiveness
C. Positiveness and Negativeness
D. None of the mentioned
Question 6
The amplitude of the standard test signal does not matter in linear systems:
A. TRUE
B. FALSE
Question 7
The disadvantages of the linear system are:
A. The constraints on the linear operation over wide range demands unnecessarily high quality.
B. The restriction to the linear theory may inhibit the designer’s curiosity to deliberately introduce the non-linear components.
C. Practically systems are non-linear
D. All of the mentioned
Question 8
The necessary condition of stability are:
A. Coefficient of characteristic equation must be real and have the same sign
B. Coefficient of characteristic equation must be non-zero
C. Both of the mentioned
D. Coefficient of characteristic equation must be zero
Question 9
The non-linear systems:
A. Do not obey superposition theorem
B. May be highly sensitive to the input amplitude
C. Laplace and z transform are not applicable to the non-linear systems
D. All of the mentioned
Question 10
The Positiveness of the coefficients of characteristic equation is necessary as well as sufficient condition for:
A. First order system
B. Second order system
C. Third order system
D. None of the mentioned
Question 11
The stability of the linear system:
A. Determined by the location of the poles
B. Dependent entirely of whether or the system is driven
C. The stability of the undriven linear system is dependent on the magnitude of the final initial state.
D. Stability cannot be determined by the open loop poles
Question 12
The standard test signal can be applied to give output to:
A. Linear systems
B. Non-linear systems
C. Time variant systems
D. Time invariant systems
Question 13
The superposition theorem is :
A. Homogeneity
B. Additivity
C. Combination of homogeneity and additivity
D. Applied to non-linear systems
Question 14
The techniques of linear system can be used in the non-linear system entirely:
A. TRUE
B. FALSE