QUIZ 2 MEM686 SEM 1 2023/2024

The unique model of a system is _______ [CO1/PO1]

• Block diagrams

• State variables

• Signal flow diagrams

• Transfer function

The impulse response of the transfer function 1 is ______ [CO1/PO1]

• an impulse function

• a step function

• a pulse function

• cannot be determined

A linear system with H(s) = 1/s is excited by a unit step function input. The output for t > 0 is given by _______ [CO1/PO1]

• impulse

• 1

• t

• t power of 2

The use of the signal flow graph is to find which of the following? [CO1/PO1]

• Transfer function of a control system

• Poles of control system

• Controllability of control system

• Stability of control system

The output of the feedback control system must be a function of:
___________ [CO1/PO1]

• Reference input
  

• 
  Reference output
  

• Output and feedback signal
  

• Input and feedback signal

10. If the initial conditions for a system are inherently zero, what does it physically mean?
[CO1/PO1]

• The system is at rest but stores energy

• The system is working but does not store energy

• The system is at rest or no energy is stored in any of its part

• The system is working with zero reference input

The system in originally critically damped if the gain is doubled the system will be : _____ [CO1/PO1]

• Remains same

• Overdamped

• Under damped
  

• Undamped

The damping ratio and peak overshoot are measures of: ________ [CO1/PO1]

• Relative stability
  

• Speed of response
  

• 
  Steady state error
  

• Absolute stability

The initial response when output is not equal to input is ______ [CO1/PO1]

• Error response

• Transient response

• 
  Dynamic response
  

• Static response

The steady state error for a unit step input is ________ [CO1/PO1]

• 1/kp

• 1/(1-kp)
  

• 1/2kp
  

• 1/(1+kp)