A triangle ABC consists of vertex points A(0,0),B(1,0) and C(0,1).Value of integral ∫∫2x dx dy over the triangle is

1.  1

2.  1/3

3.  1/8

4.  -1/8

View Answer  
4
Correct Answer :

1/3


Explanation :
No Explanation available for this question

Ifis

1.  2x2

2.  √x

3.  0

4.  1

View Answer  
4
Correct Answer :

2x2


Explanation :
No Explanation available for this question

The magnitude of the gradient of the function f=xyz3 at (1,0,2) is

1.  0

2.  3

3.  8

4.  ∞

View Answer  
4
Correct Answer :

8


Explanation :
No Explanation available for this question

For the function,φ=ax2y-y3 to represent the velocity potential of an ideal fluid,should be equal to zero.In that case,the value of ‘a’ has to be

1.  -1

2.  1

3.  -3

4.  3

View Answer  
4
Correct Answer :

3


Explanation :
No Explanation available for this question

If velocity vector in a two dimensional flow field is given by,then vorticity vector,curlwill be

1.  

2.  

3.  Zero

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

Maximum value of the directional derivative of the function φ=2x2+3y2+5z2 at a point (1,1,-1) is

1.  10

2.  -4

3.  √152

4.  152

View Answer  
4
Correct Answer :

10


Explanation :
No Explanation available for this question

1.  0

2.  π

3.  π/2

4.  2

View Answer  
4
Correct Answer :

2


Explanation :
No Explanation available for this question

Divergence of the vectoris

1.  

2.  3

3.  0

4.  1

View Answer  
4
Correct Answer :

3


Explanation :
No Explanation available for this question

What is the derivative of f(x)=|x| at x=0

1.  1

2.  -1

3.  0

4.  Does not exist

View Answer  
4
Correct Answer :

-1


Explanation :
No Explanation available for this question

The minimum point of the function f(x)=(x3/3)-x is at

1.  x=1

2.  x=-1

3.  x=0

4.  x=1/√3

View Answer  
4
Correct Answer :

x=1


Explanation :
No Explanation available for this question
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