10 a)

b)
11 ஐ
b)
12 a)
b)
13
14 a)
b)

6192065 Pages:3

Obtain the overall transfer function using block reduction techniques?

What are the standard test signals used for time domain analysis?
Derive the expression for maximum peak overshoot, rise time and peak time of a
second order system for a step input?

Explain the construction and working principle of a synchro - transmitter?

PART C
Answer any two full questions, each carries 10 marks.

Evaluate the static error coefficients and steady state error for a unity feedback

system having a forward path transfer function__5° for the input r(t)=1+2t+t?
s(s +10)

Explain important rules for root locus?
Sketch the root locus for a unity feedback system with open loop transfer

function k and find the range of k for the system to exhibit sustained
5(s + 2)(s + 3)

oscillations?

Find the location of roots of the characteristic equation

s°+4s°+3s*-16s*-64s-48= 0 in LHS, RHS and imaginary axis.

Determine (i) type (ii)error constants (iii) steady state error for the parabolic

input if the open loop transfer function is ___12(s + 2)
s?(s? + 75 + 12)

Page 2 of 3

(6)

(4)
(6)

(4)

(6)

(4)
(10)

(5)

(5)