Govt Exams Mock Test FREE | Online Quiz Competition

Q1. The transfer function \(\frac{Y(s)}{U(s)}\) of a system described by the state equations,
\(\frac{dx}{dt}=-2x+2u\) and \(y(t) = 0.5x\) is:

\(\frac{0.5}{(s-2)}\)

\(\frac{1}{(s-2)}\)

\(\frac{0.5}{(s+2)}\)

\(\frac{1}{(s+2)}\)

Q2. An Open loop Control System, represented by the transfer function \(G(s) = \frac{(s-1)}{(s+2)(s+3)}\), is

Stable and of the non-minimum phase type

Stable and of the minimum phase type

unstable and of the minimum phase type

unstable and of the non-minimum phase type

Q3. Feedback oscillations have a closed loop gain of (where G, H are gain of forward and feedback path)

\(\frac{G}{1 – GH}\)

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

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

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

Q4.

In above block diagram, what is representing the symbol of G?

Transfer function

Open loop gain

Closed loop gain

Feedback response

Q5. The damping ratio of a second-order system affects its:

Frequency of oscillation

Natural frequency

Settling time

Steady-state error

Q6. If the gain of critically damped system is increased the system will become

Oscillatory

Over damped

Under damped

None of the above

Q7. The time constant of a series RC circuit with \(R=2 \:\Omega \) and \(C=1 \:F\) is

1 Sec

2 Sec

2.5 Sec

0.5 Sec

Q8. The dc gain of a system represented by the transfer function \(\frac{12}{(s + 2) (s + 3)}\) is __________.

1

2

5

10

Q9. The phase lag produced by transportation relays

is independent of frequency

is inversly proportional to frequency

increases linearly with frequency

decreases linearly with frequency

Q10. By which of the following the system response can be tested better ?

Ramp input signal

Sinusoidal input signal

Unit impulse input signal

Exponentially decaying signal

Quiz

Year 2024

September
Week # 1 Quiz 4

Q1. The transfer function \(\frac{Y(s)}{U(s)}\) of a system described by the state equations,
\(\frac{dx}{dt}=-2x+2u\) and \(y(t) = 0.5x\) is:

Q2. An Open loop Control System, represented by the transfer function \(G(s) = \frac{(s-1)}{(s+2)(s+3)}\), is

Q3. Feedback oscillations have a closed loop gain of (where G, H are gain of forward and feedback path)

Q4.

In above block diagram, what is representing the symbol of G?

Q5. The damping ratio of a second-order system affects its:

Q6. If the gain of critically damped system is increased the system will become

Q7. The time constant of a series RC circuit with \(R=2 \:\Omega \) and \(C=1 \:F\) is

Q8. The dc gain of a system represented by the transfer function \(\frac{12}{(s + 2) (s + 3)}\) is __________.

Q9. The phase lag produced by transportation relays

Q10. By which of the following the system response can be tested better ?

Quiz

Year 2024

October Week # 1 Expire on 31 Oct 2024

October Week # 2 Expire on 07 Nov 2024

October Week # 3 Expire on 14 Nov 2024

October Week # 4 Expire on 21 Nov 2024

September Week # 1 Quiz 4

Q1. The transfer function \(\frac{Y(s)}{U(s)}\) of a system described by the state equations, \(\frac{dx}{dt}=-2x+2u\) and \(y(t) = 0.5x\) is:

Q2. An Open loop Control System, represented by the transfer function \(G(s) = \frac{(s-1)}{(s+2)(s+3)}\), is

Q3. Feedback oscillations have a closed loop gain of (where G, H are gain of forward and feedback path)

Q4. In above block diagram, what is representing the symbol of G?

Q5. The damping ratio of a second-order system affects its:

Q6. If the gain of critically damped system is increased the system will become

Q7. The time constant of a series RC circuit with \(R=2 \:\Omega \) and \(C=1 \:F\) is

Q8. The dc gain of a system represented by the transfer function \(\frac{12}{(s + 2) (s + 3)}\) is __________.

Q9. The phase lag produced by transportation relays

Q10. By which of the following the system response can be tested better ?

Record & Track Your Performance

September
Week # 1 Quiz 4

Q1. The transfer function \(\frac{Y(s)}{U(s)}\) of a system described by the state equations,
\(\frac{dx}{dt}=-2x+2u\) and \(y(t) = 0.5x\) is:

Q4.

In above block diagram, what is representing the symbol of G?