# The impulse responseof an initially relaxed linear system is e-2tu(t). To produce a response of te-2tu(t), the input must be equal to

1.  2e-tu(t)

2.  e-2t u(t)

3.  e-2t u(t)

4.   e-tu(t)

4

e-2t u(t)

Explanation :
No Explanation available for this question

# The position and velocity error coefficients for the system of transfer function G(s) respectively are

1.  zero and zero

2.  zero and infinity

3.  50 and zero

4.   50 and infinity

4

50 and zero

Explanation :
No Explanation available for this question

# The transfer function of a system is . When operated as a unity feedback system, the steady state error to a unit step input will be

1.  zero

2.

3.  10

4.  infinity

4

Explanation :
No Explanation available for this question

# The value of derivative feedback constant a, which will increase the damping ratio of the system to 0.7 is

1.  0.152

2.  0.245

3.  0.353

4.  0.558

4

0.245

Explanation :
No Explanation available for this question

# In the given system, (Q.56) if a=0.1, then steady state error to unity ramp input will be

1.  0.16

2.  0.25

3.  0.35

4.   0.49

4

0.35

Explanation :
No Explanation available for this question

# Consider the following statements regarding time domain analysis of a control system: 1.Derivative control improves system’s translent performance 2.Integral control does not improve system’s steady state performance 3.Integral control can convert a second order system into a third order system of these statements

1.  1 and 2 are correct

2.  1 and 3 are correct

3.  2 and 3 are correct

4.   1,2 and 3 are correct

4

1 and 3 are correct

Explanation :
No Explanation available for this question

# In the system shown in figure, The steady-state response c(t) will exhibit a response peak at a frequency of

4

Explanation :
No Explanation available for this question

# The unit step error coefficient of a system G(s)with unity feedback is

1.  1/6

2.  ∞

3.  0

4.   1

4

1/6

Explanation :
No Explanation available for this question

# For the system shown in the figure, with a damping ratio of 0.7 and undamped natural frequency of

1.  k=4,a=0.35

2.  k=8,a=0.455

3.  k=16,a=0.225

4.   k=64,a=0.9

4

k=16,a=0.225

Explanation :
No Explanation available for this question

1.  0.53

2.  5.3

3.  0.6

4.   0.047

4