Test: Introduction to Control Systems- 2


10 Questions MCQ Test Topicwise Question Bank for Electrical Engineering | Test: Introduction to Control Systems- 2


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Attempt Test: Introduction to Control Systems- 2 | 10 questions in 30 minutes | Mock test for Electrical Engineering (EE) preparation | Free important questions MCQ to study Topicwise Question Bank for Electrical Engineering for Electrical Engineering (EE) Exam | Download free PDF with solutions
QUESTION: 1

Match List- I (Laplace transforms) with List - II (Time functions) and select the correct answer using the codes aiven below the lists:

Codes:

Solution:
QUESTION: 2

A standard signal used for comparison in a closed-loop control system is called the

Solution:
QUESTION: 3

The difference between the output response and the reference signal is known as the _____ signal.

Solution:
QUESTION: 4

The Laplace transform of unity function is

Solution:

The laplace transform of unity function i.e.

QUESTION: 5

The phenomena of ‘limit cycles’ and ‘jump resonance’ are observed in

Solution:
QUESTION: 6

The Laplace transform of e-2t sin 3ωt is

Solution:


Here, a = 2 and b = 3ω

QUESTION: 7

A control system is said to be robust when

Solution:
QUESTION: 8

Which of the following is not correctly matched?
(CLCS = Closed Loop Control System and OLCS = Open Loop Control System)

Solution:
QUESTION: 9

Which of the following is not true regarding an open loop control system?

Solution:

The effect of parameter variation and internal noise is more in an open loop system.

QUESTION: 10

As compared to an open loop control system, a closed loop control system

Solution:

The advantages of a closed-loop system (with feedback)

i) Improved sensitivity performance (the system is lesser sensitive to parameter variations)

ii) The bandwidth of the system increases.

iii) Effect of internal disturbances reduces.

speed ∝ bandwidth

The disadvantages are

i) Reduced gain – gain reduces by a factor 1 + GH

ii) The system can be unstable.

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