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This set of Control System 2 Multiple Choice Questions & Answers (MCQs) focuses on Control System II Set 3

Q1 | The transfer function of a LTI system is given as 1/(s+1). What is the steady-state value of the unit-impulse response?
  • 0
  • 1
  • 2
  • infinite
Q2 | The values of the characteristic equation is given by:
  • eigen values
  • state matrix
  • eigen vector
  • none of the mentioned
Q3 | The state variable representation is preferred
  • to increase the sensitivity to the plant parameter variations
  • to reduce the sensitivity to the plant parameter variations
  • to make a plant simple and to control the transient response
  • none of the above
Q4 | With the knowledge of state space representation the transfer function of the system
  • can be determined partly
  • can be determined completely
  • cannot be determined
  • none of the above
Q5 | Which among the following are the interconnected units of state diagram representation?
  • scalars
  • adders
  • integrators
  • all of the above
Q6 | Which among the following controls the speed of D.C. motor?
  • galvanometer
  • gauss meter
  • potentiometer
  • tachometer
Q7 | State model representation is possible using _________
  • . physical variables
  • . phase variables
  • canonical state variables
  • all of the above
Q8 | Which among the following constitute the state model of a system in addition to state equations?
  • . input equations
  • . output equations
  • state trajectory
  • state vector
Q9 | Which among the following plays a crucial role in determining the state of dynamic system?
  • . state variables
  • state vector
  • state space
  • state scalar
Q10 | What is Eigen value?
  • a vector obtained from the coordinates
  • a matrix determined from the algebraic equations
  • a scalar associated with a given linear transformation
  • it is the inverse of the transform
Q11 | Let us consider a 3×3 matrix A with Eigen values of λ1, λ2, λ3 and the Eigen values of A-1 are?
  • λ1, λ2, λ3
  • 1/λ1,1/λ2,1/λ3
  • -λ1, -λ2, -λ3
  • λ1, 0, 0
Q12 | The Eigen values of a 3×3 matrix are λ1, λ2, λ3 then the Eigen values of a matrix A3 are __________
  • λ1, λ2, λ3
  • 1/λ1,1/λ2,1/λ3
  • λ31,λ32,λ33
  • 1, 1, 1
Q13 | State space analysis is applicable even if the initial conditions are _____
  • zero
  • non-zero
  • equal
  • not equal
Q14 | According to the property of state transition method, e0 is equal to _____
  • i
  • a
  • e-at
  • -eat
Q15 | Which mechanism in control engineering implies an ability to measure the state by taking measurements at output?
  • controllability
  • observability
  • differentiability
  • adaptability
Q16 | State model representation is possible using _________
  • physical variables
  • phase variables
  • canonical state variables
  • all of the mentioned
Q17 | Which among the following constitute the state model of a system in addition to state equations?
  • input equations
  • output equations
  • state trajectory
  • state vector
Q18 | Which among the following are the interconnected units of state diagram representation?
  • scalars
  • adders
  • integrator
  • all of the mentioned
Q19 | Which among the following is a unique model of a system?
  • transfer function
  • state variable
  • block diagram
  • signal flow graphs
Q20 | State model is generally not suitable for measuring:
  • investigation of system properties
  • evaluation of time response
  • real variables
  • both a and b
Q21 | ______________ are the techniques for converting general state models into canonical one.
  • observable
  • controllable
  • diagoanlization
  • cannonical
Q22 | The diagonalizing matrix is also known as:
  • eigen matrix
  • modal matrix
  • constant matrix
  • state matrix
Q23 | A system is said to be_____________ if it is possible to transfer the system state from any initial state to any desired state in finite interval oftime.
  • controllable
  • observable
  • cannot be determined
  • controllable and observable
Q24 | A system is said to be_________________ if every state can be completely identified by measurements of the outputs at the finite time interval.
  • controllable
  • observable
  • cannot be determined
  • controllable and observable
Q25 | Kalman’s test is for :
  • observability
  • controllability
  • optimality
  • observability and controllability