Explore topic-wise MCQs in Control Systems.

This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Control Systems knowledge and support exam preparation. Choose a topic below to get started.

1.

Oscillations in output response is due to :

A. Positive feedback
B. Negative feedback
C. No feedback
D. None of the mentioned
Answer» B. Negative feedback
2.

In the following block diagram, G1=10/s G2=10/s+1 H1=s+3, H2=1. The overall transfer function is given by :

A. 10/11s2+31s+10
B. 100/11s2+31s+100
C. 100/11s2+31s+10
D. 100/11s2+31s
Answer» C. 100/11s2+31s+10
3.

Transfer function of the system is defined as the ratio of Laplace output to Laplace input considering initial conditions________

A. 1
B. 2
C. 0
D. infinite
Answer» D. infinite
4.

The overall transfer function from block diagram reduction for cascaded blocks is :

A. Sum of individual gain
B. Product of individual gain
C. Difference of individual gain
D. Division of individual gain
Answer» C. Difference of individual gain
5.

The advantage of block diagram representation is that it is possible to evaluate the contribution of each component to the overall performance of the system.

A. True
B. False
Answer» B. False
6.

The closed loop gain of the system shown in the given figure is :

A. -9/5
B. -6/5
C. 6/5
D. 9/5
Answer» C. 6/5
7.

The transfer function from D(s) to Y(s) is :

A. 2/3s+7
B. 2/3s+1
C. 6/3s+7
D. 2/3s+6
Answer» B. 2/3s+1
8.

For the block diagram given in the following figure, the expression of C/R is:

A. G1G2G3/1-G2G1
B. G1G2/1-G1G2G3
C. G1G2G3/1-G1G2G3
D. G1G2/G3(1-G1G2)
Answer» B. G1G2/1-G1G2G3
9.

Consider the block diagram shown below: If the transfer function of the system is given by T(s)=G1G2+G2G3/1+X. Then X is:

A. G2G3G4
B. G2G4
C. G1G2G4
D. G3G4
Answer» C. G1G2G4
10.

Oscillations in output response is due to :$

A. Positive feedback
B. Negative feedback
C. No feedback
D. None of the mentioned
Answer» B. Negative feedback
11.

Transfer function of the system is defined as the ratio of Laplace output to Laplace input considering initial conditions_______?

A. 1
B. 2
C. 0
D. infinite
Answer» D. infinite
12.

The overall transfer function of two blocks in parallel are :

A. Sum of individual gain
B. Product of individual gain
C. Difference of individual gain
D. Division of individual gain
Answer» B. Product of individual gain