# A cylindrical body of cross sectional area A height H and density ρ, is immersed to a depth h in a liquid of density ρ, and tied to the bottom with a string. The tension in the string is

1.  ρghA

2.  (ρs-ρ)ghA

3.  (ρ-ρs)ghA

4.  (ρh-ρsH)gA

4

(ρh-ρsH)gA

Explanation :
No Explanation available for this question

# The pressure in a pipe at A is to be measure by the open tube manometer as shown. Specific gravity of fluid A is 0.8 and fluid B is 13.6 the absolute pressure at A will be.(Assume the atmospheric pressure as 103kN/m2)

1.  160kN/m2

2.  180kN/m2

3.  200kN/m2

4.  240kN/m2

4

180kN/m2

Explanation :
No Explanation available for this question

# Water 200C flowing through a 20cm diameter pipe. Take kinematic viscosity of water at 200C=0.0101 stoke. Assume that the changes from laminar to turbulent at re=2320. The critical velocity will be

1.  1.117cm/sec

2.  11.17cm/sec

3.  111.7cm/sec

4.  1.117m/sec

4

1.117cm/sec

Explanation :
No Explanation available for this question

# What is the location of centre of pressure

1.  0406

2.  0406

3.  0406m

4.  0406m

4

0406

Explanation :
No Explanation available for this question

# (PA-PB)will be

1.  7kM/m2

2.  17.3kN/m2

3.  27.3kN/m2

4.  34.4kN/m2

4

34.4kN/m2

Explanation :
No Explanation available for this question

# A flow in which each liquid particle has a definite path and their paths donot cross each other, is called

2.  Uniform flow

3.  Stream line flow

4.  Turbulent flow

4

Stream line flow

Explanation :
No Explanation available for this question

# The general equation of continuity for three dimensional flow of a incompressible fluid steady flow is

1.  (∂u/∂x)+(∂v/∂y)+(∂w/∂z)=0

2.  (∂u/∂x)=(∂v/∂y)=(∂w/∂z)=0

3.  (∂u/∂x)+(∂v/∂y)+(∂w/∂z)=1

4.  (∂u/∂x)+(∂v/∂y)+(∂w/∂z)=u,v,w Where u,v and w are components of velocity in x,y and z directions respectively

4

(∂u/∂x)+(∂v/∂y)+(∂w/∂z)=0

Explanation :
No Explanation available for this question

# If the particles of a fluid attain such velocities that vary from point to point in magnitude and direction as well as from instant, the flow is

1.  Uniform flow

3.  Turbulent flow

4.  Laminar flow

4

Turbulent flow

Explanation :
No Explanation available for this question

# In steady flow of a fluid of a fluid, there acceleration of any fluid particle is

1.  Constant

2.  Variable

3.  Zero

4.  Never zero

4

Zero

Explanation :
No Explanation available for this question

# For measuring flow by a venturimeter, if should be installed in

1.  Vertical line

2.  Horizontal line

3.  Incline line with upward flow

4.  In any direction and in any location

4