Explore topic-wise MCQs in Control Systems.

This section includes 3 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.

The characteristic equation of a control system is given by s6+2s5+8s4+12s3+20s2+16s+16=0 . The number of the roots of the equation which lie on the imaginary axis of s-plane:

A. t0
B. t2
C. t4
D. t6
Answer» D. t6
Discussion
2.

Assertion (A): Feedback control system offer more accurate control over open-loop systems.
Reason (R): The feedback path establishes a link for input and output comparison and subsequent error correction.

A. tBoth A and R are true and R is correct explanation of A
B. tBoth A and R are true and R is not correct Explanation of A
C. tA is True and R is false
D. tA is False and R is true
Answer» B. tBoth A and R are true and R is not correct Explanation of A
Discussion
3.

First column elements of the Routh s tabulation are 3, 5, -3/4, , 2. It means that there are:

A. tIs one root in the left half of s-plane
B. tAre two roots in the left half of s-plane
C. tAre two roots in the right half of the s-plane
D. tIs one root in the right half of s-plane
Answer» D. tIs one root in the right half of s-plane
Discussion