Control Systems-Transfer Function [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 1 - 3 of 8

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Question 1

Appeared in Year: 2018

Question MCQ▾

The block diagram of a feedback compensated system is given below:

Feedback Compensated System

Which of the following statements are correct? (July)

1) When , the feedback compensation is in-effective and the system is uncompensated

2) When , the feedback compensation is most effective and system is compensated.

3) The performance of compensated system depends on and T

4) The performance of the compensated system does not depend on T

Choices

Choice (4)Response

a.

1) and 3)

b.

2) and 3)

c.

2) and 4)

d.

1) and 4)

Edit

Passage

Sensitivity considerations often are important in the design of Control Systems. Because all physical elements have properties that change with environment and age, we cannot always consider the parameters of the Control System to be completely stationary over the entire operating life of system. For instance, the winding resistance of an electric motor changes as the temperature of the motor rises during the operation. Control System with electric components may not operate normally when first turned on because of the still-changing system during warm-up. This phenomenon is sometimes called “morning sickness” . Most duplicating machines have a warm-up period during which time operation is blocked out when first turned on.

(July)

Question 2 (1 of 1 Based on Passage)

Appeared in Year: 2018

Question MCQ▾

For an open-loop control system, sensitivity of overall transfer function M (s) with respect to forward path transfer function G (s) will be: (July)

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 3

Appeared in Year: 2016

Question Match List-Ⅰ List-Ⅱ▾

Match the following lists:

List-Ⅰ (Column-I)List-Ⅱ (Column-II)
(A)

A Lag Network

(i)
The Two Part Network Figure Choice A
(B)

A-bridge T filter

(ii)
The Two Part Network Figure Choice B
(C)

A Lead Network

(iii)
The Two Part Network Figure Choice C
(D)

A Lead-Lag Network

(iv)
The Two Part Network Figure Choice D

Choices

Choice (4)Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (iii)
  • (iv)
  • (ii)
  • (i)

b.

  • (iii)
  • (i)
  • (ii)
  • (iv)

c.

  • (iv)
  • (iii)
  • (ii)
  • (i)

d.

  • (iii)
  • (i)
  • (iv)
  • (ii)

Edit