Consider a system shown in the given figure If the system is disturbed so that C(0)=1, then C(t) for a unit step input will be

1.  1+t

2.  1-t

3.  1+2t

4.   1-2t

View Answer  
4
Correct Answer :

1+2t


Explanation :
No Explanation available for this question

The mean of a set of numbers is.If each number is increased by λ,then mean of the new set is

1.  

2.  

3.  

4.  none of these

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4
Correct Answer :


Explanation :
No Explanation available for this question

If each observation of raw data whose variance is σ2,is increased by λ,then variance of the new set is

1.  σ2

2.  λ2 σ2

3.  λ+ σ2

4.  λ2 +σ2

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4
Correct Answer :

λ2 σ2


Explanation :
No Explanation available for this question

If mode of a data is 18 and mean is 24,then median is

1.  18

2.  24

3.  22

4.  21

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4
Correct Answer :

22


Explanation :
No Explanation available for this question

What will be the closed loop transfer function of a unity feedback control system whose step response is given by c(t)=K[1-1.66e-8tsin(6t+370)]

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

If ismean of distribution,thenis equal to

1.  M.D

2.  Stamdard deviation

3.  0

4.  None of these

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4
Correct Answer :

0


Explanation :
No Explanation available for this question

bxybyx is equal to

1.  P(X

2.  cov (x,y)

3.  {p(x,y)}2

4.  None of these

View Answer  
4
Correct Answer :

{p(x,y)}2


Explanation :
No Explanation available for this question

A system is represented by +2y=4tu(t) The ramp component in the forced response will be

1.  tu(t)

2.  2tu(t)

3.  3tu(t)

4.   4tu(t)

View Answer  
4
Correct Answer :

2tu(t)


Explanation :
No Explanation available for this question

If the unit step response of a network is (1-e-αt), then its unit impulse response will be

1.  αe-αt

2.  αe-t/α

3.  

4.  (1-α)e-αt

View Answer  
4
Correct Answer :

αe-αt


Explanation :
No Explanation available for this question

If cov (X,Y)=0,then which of the following is negative

1.  byx

2.  bxy

3.  p(X,Y)

4.  none of these

View Answer  
4
Correct Answer :

none of these


Explanation :
No Explanation available for this question
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