WBUT 2013 CONTROL SYSTEM Question paper (Paper Code IT-705B)

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CS/B.TECH/CSE(New)/SEM-7/IT-705B/2013-14

2013

CONTROL SYSTEM

Time Allotted : 3 Hours                                    Full Marks : 70

The figures in the margin indicate full marks.

Candidates are required to give their answers in their own words

as far as practicable.

GROUP – A

(Multiple Choice Type Question)

1.       Choose the correct alternatives for any ten of the following:
                                                                                               10 x 1 = 10

          i)        The time needed for the response to be reached 50% of the               final value is termed as

                   a)       rise time                         b)       settling time

                   c)       delay time                      d)       none of these.

          ii)       Signal flow graph is

                   a)       topological representation of a set differential                                    equation

                   b)       bode pot

                   c)       polar pot

                   d)       locus of roots.

          iii)      The characteristic equation of a unity feedback system is                 given by s3+s2+4s+4=0 Image removed.. The system

                   a)       has one pole in the RH s plane

                   b)       has no poles in the RH s plane

                   c)       exhibits oscillatory nature

                   d)       both (b) and (c).

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