Top 80+ Solved Control System Engineering (CSE) MCQ Questions Answer

From 16 to 30 of 59

Q. For non-linear systems stability cannot be determined due to:

a. possible existence of multiple equilibrium states

b. no correspondence between bounded input and bounded output stability and asymptotic stability

c. output may be bounded for the particular bounded input but may not be bounded for the bounded inputs

d. all of the mentioned

  • d. all of the mentioned

Q. If the impulse response in absolutely integrable then the system is :

a. absolutely stable

b. unstable

c. linear

d. stable

  • a. absolutely stable

Q. The addition of open loop zero pulls the root loci towards:

a. the left and therefore system becomes more stable

b. the right and therefore system becomes unstable

c. imaginary axis and therefore system becomes marginally stable

d. the left and therefore system becomes unstable

  • a. the left and therefore system becomes more stable

Q. Pure imaginary pair:

a. centre

b. focus point

c. saddle point

d. stable node

  • a. centre

Q. Real and equal but with opposite sign.

a. center

b. focus point

c. saddle point

d. stable node

  • c. saddle point

Q. Real distinct and negative.

a. center

b. focus point

c. saddle point

d. stable node

  • d. stable node

Q. Stability of a system implies that :

a. small changes in the system input does not result in large change in system output

b. small changes in the system parameters does not result in large change in system output

c. small changes in the initial conditions does not result in large change in system output

d. all of the above mentioned

  • d. all of the above mentioned

Q. Linear mathematical model applies to :

a. linear systems

b. stable systems

c. unstable systems

d. non-linear systems

  • b. stable systems

Q. Which among the following is a unique model of a system?

a. transfer function

b. state variable

c. block diagram

d. signal flow graphs

  • a. transfer function

Q. Which mechanism in control engineering implies an ability to measure the state by taking measurements at output?

a. controllability

b. observability

c. differentiability

d. adaptability

  • b. observability

Q. State model representation is possible using                    

a. physical variables

b. phase variables

c. canonical state variables

d. all of the mentioned

  • d. all of the mentioned

Q. Which among the following constitute the state model of a system in addition to state equations?

a. input equations

b. output equations

c. state trajectory

d. state vector

  • b. output equations
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