Govt Exams Mock Test FREE | Online Quiz Competition

Q1. If the closed-loop transfer function of a control system is given below.

\(T(s) = \frac{(s-5)}{(s+2)(s+3)}\)

The system is

An Unstable System

An Uncontrollable System

A Minimum Phase System

A Non-Minimum Phase System

Q2. If the transfer function of a phase lead compensator is \(\frac{(s + a)}{(s + b)}\) and that of a lag compensator is \(\frac{(s + c)}{(s + d)}\), then which of the following sets of conditions must be satisfied?

a > b and c

a

ad

a > b and c > d

Q3. A system is stable for

Gain margin and Phase margin both positive.

Gain margin and Phase margin both negative.

Gain margin positive, Phase margin negative.

Phase margin negative.

Q4. A conditionally stable system exhibits poor stability at

low frequencies

reduced values of open loop gain

increased values of open loop gain

none of the above

Q5. Which statement is correct for open loop system?

Difficult to design.

These are economical.

Feedback path is present.

Control action is dependent of the desired output.

Q6. In closed loop control system, what is the sensitivity of the gain of the overall system, M to the variation in G?

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

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

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

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

Q7. What happens If gain of the system is increased?

Roots move away from the poles

Roots move away from the zeros

Roots move towards the origin of the S-plot

None of the above

Q8. Which of the following statements is correct for any closed loop system?

Only one of the static error co-efficient has a finite non-zero value

All the co-efficient can have zero value

All the co-efficient are always non-zero

All of the mentioned

Q9. Which of the following option is also known as anticipatory controller?

Derivative controller

Proportional controller

Integral controller

None of the above

Q10. Root locus terminates at

open loop poles

closed loop poles

open loop zeroes

closed loop zeroes

Quiz

Year 2024

June
Week # 1 Quiz 4

Q1. If the closed-loop transfer function of a control system is given below.

\(T(s) = \frac{(s-5)}{(s+2)(s+3)}\)

The system is

Q2. If the transfer function of a phase lead compensator is \(\frac{(s + a)}{(s + b)}\) and that of a lag compensator is \(\frac{(s + c)}{(s + d)}\), then which of the following sets of conditions must be satisfied?

Q3. A system is stable for

Q4. A conditionally stable system exhibits poor stability at

Q5. Which statement is correct for open loop system?

Q6. In closed loop control system, what is the sensitivity of the gain of the overall system, M to the variation in G?

Q7. What happens If gain of the system is increased?

Q8. Which of the following statements is correct for any closed loop system?

Q9. Which of the following option is also known as anticipatory controller?

Q10. Root locus terminates at

Quiz

Year 2024

December Week # 1 Expire on 31 Dec 2024

December Week # 2 Expire on 07 Jan 2025

December Week # 3 Expire on 14 Jan 2025

December Week # 4 Expire on 21 Jan 2025

June Week # 1 Quiz 4

Q1. If the closed-loop transfer function of a control system is given below. \(T(s) = \frac{(s-5)}{(s+2)(s+3)}\)The system is

Q2. If the transfer function of a phase lead compensator is \(\frac{(s + a)}{(s + b)}\) and that of a lag compensator is \(\frac{(s + c)}{(s + d)}\), then which of the following sets of conditions must be satisfied?

Q3. A system is stable for

Q4. A conditionally stable system exhibits poor stability at

Q5. Which statement is correct for open loop system?

Q6. In closed loop control system, what is the sensitivity of the gain of the overall system, M to the variation in G?

Q7. What happens If gain of the system is increased?

Q8. Which of the following statements is correct for any closed loop system?

Q9. Which of the following option is also known as anticipatory controller?

Q10. Root locus terminates at

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June
Week # 1 Quiz 4

Q1. If the closed-loop transfer function of a control system is given below.

\(T(s) = \frac{(s-5)}{(s+2)(s+3)}\)

The system is