Control Systems [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 8 - 11 of 81

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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 8 (5 of 5 Based on Passage)

Control Systems

Appeared in Year: 2018 (UGC-NET)

Question

MCQ▾

The open loop transfer function of a Unity feedback Control System is given by the steady state error will be: (July)

Choices

Choice (4)Response

a.

rad

b.

rad

c.

rad

d.

rad

Question 9

Appeared in Year: 2018 (UGC-NET)

Question

Assertion-Reason▾

Assertion(Ꭺ)

The stability analysis of system with dead time can be conducted easily using the Bode plots. (July)

Reason(Ꭱ)

The magnitude plot of a system is unaffected by the presence of dead time.

Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

b.

Ꭺ is true but Ꭱ is false

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Both Ꭺ and Ꭱ are false

Question 10

Question

MCQ▾

If , then Find which parts denote Transient and Steady state responses?

Choices

Choice (4)Response

a.

represents Steady state response.

b.

And represents Transient state response.

c.

represents Transient state response.

d.

Both a. and b. are correct

Question 11

Question

MCQ▾

If C (t) = 10 + 2sin 2t + 3cos2t + 4te-4t + 5e-5t sin 5t, then find which parts denote Transient and Steady state responses?

Choices

Choice (4)Response

a.

10, , represents transient state response.

b.

10, , represents Steady state response.

and represents Transient state response.

c.

and represents steady state response.

d.

Question does not provide sufficient data or is vague

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