Explore topic-wise MCQs in Control Systems.

This section includes 13 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.

Which one of the following statement is correct?A plant controlled by a proportional controller. If a time delay element is introduced in the loop its:

A. Phase margin remains the same
B. Phase margin increases
C. Phase margin decreases
D. Gain margin increases
Answer» D. Gain margin increases
Discussion
2.

Electronic Controller:

A. Flexible operation
B. High torque high speed operation
C. Fire and explosion proof operation
D. No leakage
Answer» B. High torque high speed operation
Discussion
3.

Hydraulic controller:

A. Flexible operation
B. High torque high speed operation
C. Fire and explosion proof operation
D. No leakage
Answer» C. Fire and explosion proof operation
Discussion
4.

ELECTRONIC_CONTROLLER:?$

A. Flexible operation
B. High torque high speed operation
C. Fire and explosion proof operation
D. No leakage
Answer» B. High torque high speed operation
Discussion
5.

Which_one_of_the_following_statement_is_correct?$

A.
B. Phase margin remains the same
C. Phase margin increases
Answer» D.
Discussion
6.

Hydraulic controller?

A. Flexible operation
B. High torque high speed operation
C. Fire and explosion proof operation
D. No leakage
Answer» C. Fire and explosion proof operation
Discussion
7.

Pneumatic controller

A. Flexible operation
B. High torque high speed operation
C. Fire and explosion proof operation
D. No leakage
Answer» D. No leakage
Discussion
8.

Which one of the following compensation is required for improving the transient response of the system?

A. Phase lead compensation
B. Phase lag compensation
C. Gain compensation
D. Both phase lag compensation and gain compensation
Answer» B. Phase lag compensation
Discussion
9.

For suboptimal control the value of R is assumed to be:

A. Positive definite
B. Non-positive definite
C. Negative
D. Complex
Answer» C. Negative
Discussion
10.

The value of K must further follow the following constraint that the closed loop system must be:

A. Asymptotically stable
B. Stable
C. Marginally stable
D. Conditionally stable
Answer» B. Stable
Discussion
11.

Riccati equation is formed by using:

A. Output regulator problem
B. Finite state regulator problem
C. Infinite state regulator problem
D. Tracking problem
Answer» E.
Discussion
12.

In tracking problem the parameter reduced is :

A. Error
B. Output
C. Input
D. State
Answer» B. Output
Discussion
13.

For output regulator problem in performance index the parameter which is set to zero:

A. Input vector
B. Output vector
C. Control vector
D. State vector
Answer» C. Control vector
Discussion