Test: Automatic Control Systems - 2

# Test: Automatic Control Systems - 2 - Electrical Engineering (EE)

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## 25 Questions MCQ Test - Test: Automatic Control Systems - 2

Test: Automatic Control Systems - 2 for Electrical Engineering (EE) 2023 is part of Electrical Engineering (EE) preparation. The Test: Automatic Control Systems - 2 questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: Automatic Control Systems - 2 MCQs are made for Electrical Engineering (EE) 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Automatic Control Systems - 2 below.
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Test: Automatic Control Systems - 2 - Question 1

### Assertion (A): If points at infinity are included, G(s) has same number of poles and zeros.Reason (R): The function has a zero at s = - 2.

Test: Automatic Control Systems - 2 - Question 2

### Lag compensation permits a high gain at low frequencies.

Test: Automatic Control Systems - 2 - Question 3

### If the characteristic equation is (λ + 1) (λ + 2) (λ + 3) = 0, the eigen values are

Test: Automatic Control Systems - 2 - Question 4

If the poles lie in second quadrant, damping ratio is

Test: Automatic Control Systems - 2 - Question 5

Assertion (A): When performance specifications are given in term of transient response characteristics, root locus method is a suitable method.

Reason (R): When performance specifications in terms of state variables are given, modern control methods can be used.

Test: Automatic Control Systems - 2 - Question 6

Integral control action

Test: Automatic Control Systems - 2 - Question 7

If , the closed loop pole will be located at s = -12 when K =

Test: Automatic Control Systems - 2 - Question 8

Robotic manipulator arms mostly use

Test: Automatic Control Systems - 2 - Question 9

The sensor generally used in incremental optical encoder is

Test: Automatic Control Systems - 2 - Question 10

In terms of ξ and ωn the settling time of a second order systems for 2% criterion and step input is equal to

Test: Automatic Control Systems - 2 - Question 11

For type 1 system the velocity lag error is

Test: Automatic Control Systems - 2 - Question 12

For as ω approaches infinity, the magnitude approaches zero and phase angle approaches - 90�.

Test: Automatic Control Systems - 2 - Question 13

In the given figure, the combinations of two non touching loops is

Test: Automatic Control Systems - 2 - Question 14

Nyquist stability criterion uses open loop frequency response characteristics.

Test: Automatic Control Systems - 2 - Question 15

For any test point s on the real axis, the sum of angular contributions of the complex conjugate poles is

Test: Automatic Control Systems - 2 - Question 16

For the system in the given figure G varies slightly, the ratio of open loop sensitivity to closed loop sensitivity is

Test: Automatic Control Systems - 2 - Question 17

The loop transfer function of a feedback system is . The number of asymptotes of its root loci are

Test: Automatic Control Systems - 2 - Question 18

The M circle for M = 1 is the

Test: Automatic Control Systems - 2 - Question 19

Which of the following can act as error detecting devices

1. a pair of potentiometers
2. a pair of synchros
3. a differential transformer
4. a metadyne
5. a control transformer
Select the answer using the following codes:
Test: Automatic Control Systems - 2 - Question 20

Assertion (A): If minimum phase system has a gain margin of 8 dB and phase margin of 21º, the system is stable.

Reason (R): For a minimum phase system both GM and PM must be positive for the system to be stable.

Test: Automatic Control Systems - 2 - Question 21

For 0 < M < 1, the centres of M circle lie to the right of origin.

Test: Automatic Control Systems - 2 - Question 22

Assertion (A): Integration in time domain is converted into division in s domain

Reason (R):

Test: Automatic Control Systems - 2 - Question 23

Assertion (A): In root locus the breakaway and break in points either lie on real axis or occur in complex conjugate pairs.

Reason (R): All root locus asymptotes intersect on real axis.

Test: Automatic Control Systems - 2 - Question 24

A conditionally stable system is stable for the value of gain between two critical values. It is unstable if

Test: Automatic Control Systems - 2 - Question 25

Transport lag usually exists in

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