# A plate 1mm distance from a fixed plate moves at 0.25m/s and requires a force/unit area of one pascal to maintain this speed. The viscosity of the fluid between the plates will be

1.  0.4Ns/m2

2.  0.04Ns/m2

3.  0.004Ns/m2

4.  0.0004 Ns/m2

4

0.004Ns/m2

Explanation :
No Explanation available for this question

# In a turbulent flow in a pipe

1.  Reynolds number is greater than 10000

2.  Fluid particle move in straight lines

3.  Head loss varies linearly with flow rate

4.  Shear stress varies linearly with radius

4

Shear stress varies linearly with radius

Explanation :
No Explanation available for this question

# In laminar flow, maximum velocity at the centre of pipe is how many times to the average velocity

1.  Two

2.  Three

3.  Four

4.  None of these

4

Two

Explanation :
No Explanation available for this question

# In equilibrium condition, fluids are not able to sustain

1.  Shear force

2.  Resistance to viscosity

3.  Surface tension

4.  Geometric similitude

4

Surface tension

Explanation :
No Explanation available for this question

# The pressure coefficient may take the form

1.  ΔP/σμv

2.  ΔP/(σv2/2)

3.  ΔP/(μ2ltv2/σ)

4.  σμ2/2ΔP

4

ΔP/(σv2/2)

Explanation :
No Explanation available for this question

# A large reynold number is indication of

1.  Smooth and streamline flow

2.  Laminar flow

4.  Highly turbulent flow

4

Highly turbulent flow

Explanation :
No Explanation available for this question

# Non uniform flow occurs when

1.  Direction and magnitudeof velocity at all points are identical

2.  Velocity of successive fluid particle s, at any point, is same at successive periods of time

3.  Magnitude and direction of velocity do not change from point to point in the fluid

4.  Velocity, depth, pressure, etc. changes point to point in the fluid flow

4

Velocity, depth, pressure, etc. changes point to point in the fluid flow

Explanation :
No Explanation available for this question

# Froude number is significant in

1.  Supersonics as with projectile and jet propulsion

2.  Full immersion or completely enclosed flow, as with pipes, aircrafts wings, nozzles etc

3.  Simulataneous motion through two fluids where there is a surface of discontinuity, gravity forces, and wave making effect, as with ship’s hulls

4.  All of these

4

Simulataneous motion through two fluids where there is a surface of discontinuity, gravity forces, and wave making effect, as with ship’s hulls

Explanation :
No Explanation available for this question

# Reynolds number is significant in

1.  Supersonics as with projectile and jet propulsion

2.  Full immersion or completely enclosed flow, as with pipes, aircrafts wings, nozzles etc

3.  Simultaneous motion through two fluids where there is a surface of discontinuity, gravity forces, and wave making effect, as with ship’s hulls

4.  All of these

4

Full immersion or completely enclosed flow, as with pipes, aircrafts wings, nozzles etc

Explanation :
No Explanation available for this question

# Two dimensional flow occurs when the

1.  Directional and magnitude of the velocity all points are identical

2.  Velocity of successive fluid particle, at any point, is same at successive periods of time

3.  Magnitude and direction of velocity do not change from point to point in the fluid

4.  Fluid particle move in a plane or parallel planes and the streamline patterns are identical in each plane

4