# Deemed University 2009 A.M.I.E.T.E Electronics & Communication Engineering Control engineering – et (old scheme) - Question Paper

Tuesday, 30 April 2013 04:00Web

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AMIETE – ET (OLD SCHEME)

Code: AE11 Subject: CONTROL ENGINEERING

**Time:**three Hours Ma

**x.**

**Marks:**100

NOTE: There are nine ques. in all.

· ques. one is compulsory and carries 20 marks. ans to

**Q.**

**1.**must be written in the space given for it in the ans book supplied and nowhere else.

· Out of the remaining 8 ques. ans any 5 ques.. every ques. carries 16 marks.

· Any needed data not explicitly given, may be suitably presumed and said.

**Q.1**select the accurate or the best option in the following: (210)

**a.**In a closed loop feedback control system, the positive feedback means

**(**the output is feedback so that it subtracts from reference input in order to provide actuating signal.

**A)****(**the output is feedback so that it adds to reference input in order to provide actuating signal.

**B)****(**both

**C)****(**& (B).

**A)****(**None of these.

**D)****b.**Linearized model of around two is

**(**.

**A)****(**.

**B)****(**.

**C)****(**.

**D)****c.**The concept of transfer function applies to

**(**linear time varying systems.

**A)****(**linear and non-linear systems.

**B)****(**linear time invariant systems.

**C)****(**only to MIMO systems.

**D)****d.**The position of a moving object of constant mass M and force f applied are related to M , the transfer function of the system is

**(**.

**A)****(**.

**B)****(**.

**C)****(**Ms.

**D)****e.**Consider function where F(s) = Laplace transform of f(t). The final value of f(t) is equal to

**(**on

**A)****e.**

**(**infinity.

**B)****(**zero.

**C)****(**none of the above.

**D)****f.**If the root loci of a closed loop system separates at a point ranging from 2 open loop poles, the point is known as

**(**break away point.

**A)****(**shift point.

**B)****(**crossover point.

**C)****(**transition point.

**D)**Earning: Approval pending. |