# In a flow field, the streamlines and equipotential lines

1.  are parallel

2.  cut at any angle

3.  are orthogonal everywhere in the flow field

4.    cut orthogonally except at the stagnation points

4

are orthogonal everywhere in the flow field

Explanation :
No Explanation available for this question

# The particular solution for the differential equation

1.  0.5 cos x + 1.5 sin x

2.  1.5 cos x + 0.5 sin x

3.  1.5 sin x

4.  0.5 cos x

4

0.5 cos x + 1.5 sin x

Explanation :
No Explanation available for this question

# For a fluid element in a two dimensional flow field (x œ y plane), if it will undergo

1.  Translation only

2.  Translation and rotation

3.    Translation and deformation

4.  Deformation only

4

Translation and rotation

Explanation :
No Explanation available for this question

# Net force on a control volume due to uniform normal pressure alone

1.  Depends upon the shape of the control volume

2.  Translation and rotation

3.  Translation and deformation

4.   Deformation only

4

Translation and deformation

Explanation :
No Explanation available for this question

# Existence of velocity potential implies that

1.  Fluid is in continuum

2.  Fluid is irrotational

3.   Fluid is ideal

4.  Fluid is compressible

4

Fluid is irrotational

Explanation :
No Explanation available for this question

# The value of

1.  ∞

2.  2

3.  1

4.  0

4

0

Explanation :
No Explanation available for this question

# Prandtl‘s mixing length is turbulent flow signifies

1.  the average distance perpendicular to  the mean  flow  covered  by the mixing particles

2.    the ratio of mean free path to characteristic length of the flow field

3.  the  wavelength  corresponding  to  the  lowest  frequency  present  in  the  flow field

4.  the magnitude of turbulent kinetic energy

4

the average distance perpendicular to  the mean  flow  covered  by the mixing particles

Explanation :
No Explanation available for this question

# The value of

1.  0

2.  1

3.  2

4.  &infi;

5.  none

5

2

Explanation :
No Explanation available for this question

# The definition of 1 K as per the internationally accepted temperature scale is

1.  1/100 th the difference between normal boiling point and normal freezing point of water

2.  1/273.15 th the normal freezing point of water

3.  100  times  the  difference  between  the  triple  point  of  water  and  the  normal freezing point of water

4.  1/273.16 th of the triple point of water

4

1/273.16 th of the triple point of water

Explanation :
No Explanation available for this question

1.  e5t

2.  e-5t

3.  5 e-5t

4.  e√-5t

4