Govt Exams Mock Test FREE | Online Quiz Competition

Q1. Open loop transfer function of a closed loop control system is defined as:

Actuating signal / Feedback signal

Output / Feedback signal

Output / Actuating signal

Feedback signal / Actuating signal

Q2. The characteristic equation of a system is given as \(s^3+25s^2 +10s+50=0\). What is the number of the roots in the right half s-plane and the imaginary axis respectively ?

1,1

1,2

0,0

2,1

Q3. 0 type system has

Zero steady state error

Small steady state error

High gain constant

Higher error with high K

Q4. If gain of the system is zero, then the roots

Coincide with the poles

Move away from the zeros

Move away from the poles

None of these

Q5. In a stable control system backlash can cause which of the following ?

Underdamping

Overdamping

Poor stability at reduced values of open loop gain

Low-level oscillations

Q6. The band width, in a feedback amplifier ___________.

remains unaffected

decreases by the same amount as the gain increase

increases by the sane amount as the gain decrease

decreases by the same amount as the gain decrease

Q7. The mathematical model is not used to represent the control systems model.

Transfer function model

State space model

Differential equation model

Integration equation model

Q8. Which transfer function has repeated poles?

\(G(s) = \frac{2}{(s^2 + 3s + 2)}\)

\(G(s) = \frac{1}{(s^2 + 2s + 1)}\)

\(G(s) = \frac{s+1}{(s^2 + s + 1)}\)

\(G(s) = \frac{s}{(s^2 + 2s + 2)}\)

Q9. In closed loop control system, what is the sensitivity of the gain of the overall system, M to the variation in G?

\(\frac{G}{1+GH}\)

\(\frac{1}{1+GH}\)

\(\frac{G}{1+G}\)

\(\frac{1}{1+G}\)

Q10. Which among the following constitute the state model of a system in addition to state equations?

Input equations

Output equations

State trajectory

State vector

Quiz

Year 2025

December
Week # 1 Quiz 4

Q1. Open loop transfer function of a closed loop control system is defined as:

Q2. The characteristic equation of a system is given as \(s^3+25s^2 +10s+50=0\). What is the number of the roots in the right half s-plane and the imaginary axis respectively ?

Q3. 0 type system has

Q4. If gain of the system is zero, then the roots

Q5. In a stable control system backlash can cause which of the following ?

Q6. The band width, in a feedback amplifier ___________.

Q7. The mathematical model is not used to represent the control systems model.

Q8. Which transfer function has repeated poles?

Q9. In closed loop control system, what is the sensitivity of the gain of the overall system, M to the variation in G?

Q10. Which among the following constitute the state model of a system in addition to state equations?

Quiz

Year 2025

January Week # 2 Expire on 07 Feb 2025

January Week # 3 Expire on 14 Feb 2025

January Week # 4 Expire on 21 Feb 2025

February Week # 1 Expire on 28 Feb 2025

December Week # 1 Quiz 4

Q1. Open loop transfer function of a closed loop control system is defined as:

Q2. The characteristic equation of a system is given as \(s^3+25s^2 +10s+50=0\). What is the number of the roots in the right half s-plane and the imaginary axis respectively ?

Q3. 0 type system has

Q4. If gain of the system is zero, then the roots

Q5. In a stable control system backlash can cause which of the following ?

Q6. The band width, in a feedback amplifier ___________.

Q7. The mathematical model is not used to represent the control systems model.

Q8. Which transfer function has repeated poles?

Q9. In closed loop control system, what is the sensitivity of the gain of the overall system, M to the variation in G?

Q10. Which among the following constitute the state model of a system in addition to state equations?

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December
Week # 1 Quiz 4