# A system with the transfer function (Y(s)/X(s)=s/s+p) has an output y(t)=cos(2t-π/3)for input signal x(t)=pcos(2t-π/2). Then the system parameter ‘p’ is

1.  √3

2.   2/√3

3.  1

4.  √3/2

4

2/√3

Explanation :
No Explanation available for this question

# For the asymptotic Bode magnitude plot shown below, the system transfer function can be

1.   10s+1/0.1s+1

2.   100s+1/0.1s+1

3.  100s/10s+1

4.   0.1s+1/10s+1

4

10s+1/0.1s+1

Explanation :
No Explanation available for this question

# For the transfer function G(jω)=5+jω, the corresponding Nyquist plot for positive  frequencies has the form

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# A system with transfer function G(s)=(s2+9)(s+2)/(s+1)(s+3)(s+4)    is excited by sin(ωt). The steady-state output of the system is zero at

4

Explanation :
No Explanation available for this question

# The Bode plot of a transfer function G(s) is shown in the figure below. The gain (20 log|G(s)|) is 32 dB and 8dB at 1 rad/s and 10rad/s respectively. The phase is negative for all ω. Then G9s) is

1.   39.8/s

2.  39.8/s2

3.   32/s

4.  32/s2

4

39.8/s2

Explanation :
No Explanation available for this question

# The open-loop DC gain of a unity negative feedback system with closed loop transfer function s+4/s2+7s+13 is

1.   4/13

2.  4/9

3.   4

4.  13

4

4/9

Explanation :
No Explanation available for this question

# The signal flow graph that that DOES NOT model the plant transfer function H(s) is

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# The transfer function of a simple RC network functioning as a controller is:.Gc(s)=s+z1/s+p1 The condition for the RC network to act as a  phse lead controller is

1.   p1

2.   P1=0

3.  p1=z1

4.   p1>z1

4

p1>z1

Explanation :
No Explanation available for this question

# A unity negative feedback closed loop system has a plant with the transfer function G9S)=1/s2+2s+2 and a controller Gc(s) in the feed forward path. For a unit step input, the transfer function of the controller that gives minimum steady state error is

1.   Gc(s)=s+1/s+2

2.  Gc(s)=s+2/s+1

3.  Gc(s)=(s+1)(s+4)/(s+2)(s+3)

4.  Gc(s)=1+(2/s)+3s

4

Gc(s)=s+2/s+1

Explanation :
No Explanation available for this question

1.  4KΩ

2.  12.6 kΩ

3.   2 kΩ

4.  6.3 kΩ

4