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 
. 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).
