1000+ Control System Quiz, Top MCQ On Control System
Hello guys, welcome back to our blog. In this article, I will share a control system quiz so that you can test your knowledge, I will some commonly asked MCQs on the control system, etc.
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Control System Quiz
1) ________ is known as automatic control system.
- a) Open loop control system
- b) Closed loop control system
- c) Either 1 or 2
- d) Nether 1 nor 2
2) Advantages of the open-loop control system is/are,
- a) simple and economical
- b) accurate
- c) reliable
- d) all of the above
3) Why signal flow graph is used?
- a) To find the stability of the system
- b) To find the transfer function of a system
- c) To find poles of the system
- d) All of the above
4) Which is the Electrical analogous quantity for spring element (K) in force voltage analogy?
- a) L
- b) R
- c) 1/C
- d) C
5) The input of the system is depending upon the output quantity, then the system is a
- a) open-loop control system
- b) closed-loop control system
- c) either 1 or 2
- d) none of the above
6) Assume two blocks having gains P and Q, and connected in series with each other, what is the resultant gain using the block diagram reduction method?
- a) P+Q
- b) P*Q
- c) P-Q
- d) P/Q
7) In signal flow graph input node is node having only________ branches.
- a) incoming
- b) outgoing
- c) both 1 and 2
- d) none of the above
8) Which of the following are the characteristics of a negative feedback control system?
- a) Low sensitivity to parameter variations
- b) Rejection of disturbance signals
- c) (a) & (b) both
- d) None of above
9) Which of the following is/are the example of an actuator?
- a) Pneumatic motor
- b) Hydraulic motor
- c) All
- d) Electric motor
10) Transient state analysis deals with_____.
- a) Magnitude of error
- b) Nature of response
- c) Both 1 and 2
- d) None of the above
11) The steady-state error for ramp input for a type two system is equal to
- a) zero
- b) infinite
- c) non-zero number
- d) constant
12) Differentiation of parabolic response is a ___________response.
- a) parabolic
- b) ramp
- c) step
- d) Impulse
13) Lead compensator is used to improve
- a) Transient response
- b) Steady-state response
- c) Both 1 and 2
- d) None of the above
14) Find the Laplace transform for sin(ωt)?
- a) 1/s
- b) 1/s²
- c) s/(s²+ω²)
- d) ω/(s²+ω²)
15) For a type 1 system with parabolic input, the steady-state error is
- a) zero
- b) finite constant
- c) infinite
- d) indeterminate
16) Time taken for the response to rise from zero to 100 % for the very first time is called
- a) Rise time
- b) Settling time
- c) Delay time
- d) Peak time
17) Lead network is used to
- a) improve transient response
- b) both A and C
- c) increase bandwidth
- d) improve steady-state response
18) A system is stable for (where GM = Gain Margin and PM = Phase Margin)
- a) GM and PM both +ve
- b) GM and PM both -ve
- c) GM -ve
- d) PM – ve
19) In a control system, an integrator is represented by
- a) s
- b) s2
- c) 1 / s2
- d) 1 / s
20) A function of one or more variables that provides information about the nature of a physical event is called
- a) signal
- b) interference
- c) system
- d) noise
21) A system of constant voltage and constant frequency is called _______ system
- a) feedback
- b) infinite
- c) zero
- d) none of the above
22) The transfer function of the control system depends on
- a) the system parameters alone
- b) nature of the input
- c) initial conditions of input and output
- d) nature of the output
23) Error constants of a system are a measure of
- a) transient state response
- b) steady-state response as well as a transient state response
- c) relative stability
- d) steady-state response
24) Transient response is improved in case of
- a) lag network
- b) lead network
- c) both A and B
- d) None of these
25) Which of the following controller is also known as anticipatory controllers?
- a) proportional controller
- b) integral controller
- c) derivative controller
- d) both 1 and 3
26) The magnitude condition for root locus is________.
- a) |G(s)H(s)| = 0
- b) |G(s)H(s)| = 2
- c) |G(s)H(s)| = 1
- d) |G(s)H(s)| = ∞
27) A lag compensator
- a) increases the damping ratio
- b) decreases the damping ratio
- c) increases the bandwidth
- d) increases the stability
28) If the bandwidth of the system is very broad, then the response of the system is
- a) faster
- b) slower
- c) independent of bandwidth
- d) none of the above
29) Which of the following is the correct formula for the transfer function of an electrical RC phase lag compensating network?
- a) RCS/(1+RCS)
- b) RC/(1+RCS)
- c) C/(1+RCS)
- d) 1/(1+RCS)
30) Traffic signal light system is the example of_______.
- a) Open-loop system
- b) Closed-loop system
- c) Both (a) and (b)
- d) None of these
This was about the “Control System Quiz“. I hope this article may help you all a lot. Thank you for reading.
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