Q1:

Which one of the following effects in the system is NOT caused by negative feedback?

Q2:

Match List-I with List-II and select the correct answer using the codes given below the lists:

List-I	List-II
A. Mass	1. Capacitor
B. Damper	2. Voltage
C. Spring	3. Resistor
D. Force	4. Inductor

 

Q3:

The servomotor differs from the standard motors principally in that, it has

Q4:

For the mechanical system with mass and viscous friction components, shown in the figure, $\frac{X_0\left(s\right)}{X_i\left(s\right)}$ is

Q5:

The law / principle in mechanical systems, analogous to Kirchhoff’s laws in electrical systems, is

Q6:

The transfer function of a unity feedback system is $G(s)=\frac{k}{s(s+2)}$, the centroid and breakaway point respectively are:

Q7:

Negative feedback in a closed-loop control system DOES NOT

Q8:

The block diagram of a system is shown below

In order to reduce the effect of noise element:

Q9:

Consider the signal flow graph of a system

$\frac{C}{R}$ of the system is __________

Q10:

The value of $\left(\raisebox{1ex}{$C$}\!\left/ \!\raisebox{-1ex}{$R$}\right.\right)$ of the following figure is ________.

Q11:

To convert a given block diagram

To a unity feedback system

 

G₁ should be

Q12:

Calculate the transfer function for signal flow graph shown below.

Q13:

Which one of the following block diagram is equivalent to the below shown block diagram?

Q14:

The number of forward paths and the number of non-touching loop pairs for the signal flow graph given in the figure below are, respectively.

Q15:

For the signal-flow graph shown in the given figure, the value of x₂ is