When subjected to a unit step input,the closed loop control system shown in Fig.given below will have a steady state error of

1.  -1.0

2.  -0.5

3.  0

4.  0.5

View Answer  
4
Correct Answer :

0


Explanation :
No Explanation available for this question

In the GH(s) plane,the Nyquist pot of the loop transfer function G(s) H(s) =πe-0.25s/s passes through the negative real axis at the point

1.  (-0.25, j0)

2.  (-0.5, j0)

3.  (-1, j0)

4.  (-2, j0)

View Answer  
4
Correct Answer :

(-0.5, j0)


Explanation :
No Explanation available for this question

If the compensated system shown in  given Fig has a phase margin of 60° at the crossover frequency of 1 rad/sec,the value of the gain K is:

1.  0.366

2.  0.732

3.  1.366

4.  2.738

View Answer  
4
Correct Answer :

1.366


Explanation :
No Explanation available for this question

For the matrix ,one of the eigen values is equal to -2.Which of the following is an eigen vector

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
No Explanation available for this question

,the top row of R-1 is:

1.  [5 6 4]

2.  [5 -3 1]

3.  [2  0  -1]

4.  [2  -1  1/2]

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4
Correct Answer :

[5 -3 1]


Explanation :
No Explanation available for this question

A fair coin is tossed three times in succession.If the first toss produces a head,then the probability of getting exactly two heads in three tosses is:

1.  1/8

2.  1/2

3.  3/8

4.  3/4

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4
Correct Answer :

3/4


Explanation :
No Explanation available for this question

For the function f(x) = x2e-x,the maximum occurs when x is equal to:

1.  2

2.  1

3.  0

4.  -1

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4
Correct Answer :

1


Explanation :
No Explanation available for this question

For the scalar field,the magnitude of the gradient at the point (1,3) is:

1.  

2.  

3.  √5

4.  9/2

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4
Correct Answer :

√5


Explanation :
No Explanation available for this question

For the equation,X(t)+3x(t)+2x(t)=5,the solution x(t) approaches the following values at t→∞

1.  0

2.  5/2

3.  5

4.  10

View Answer  
4
Correct Answer :

5/2


Explanation :
No Explanation available for this question

The Laplace transform of a function f(t) is.t→∞, approaches

1.  3

2.  5

3.  17/2

4.  ∞

View Answer  
4
Correct Answer :

3


Explanation :
No Explanation available for this question
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