Attempt any four of following

1 (a)
What is monometer? How they are classified.

5 M

1 (b)
What are the assumptions made in deriving Bernoulli's equation? Explain limitations.

5 M

1 (c)
Explain capillarity and surface tension.

5 M

1 (d)
Write a short note on flow past a Rankine oval body.

5 M

1 (e)
Explain discharge over a Broad crested weir.

5 M

1 (f)
What is an orifice and a multipiece? Give classification of orifices.

5 M

2 (a)
Describe specific weight and compressibility of fluid.

4 M

2 (b)
Show relationship between dynamic viscosity and velocity gradient. Classify fluids based on this relationship.

6 M

2 (c)
Two large horizontal plane surface are 20m apart. This space is filled with glycerence. Find what force is required to drag a very thin plate of area 0-6m

i) If the plate is equidistant from the two surfaces.

ii) If the plate is 7-5mm from the one of the surfaces. Take the dynamic viscosity of glycerene equal to 8.04×10

^{2}between the two surface at a speed of 0-70m/sec.i) If the plate is equidistant from the two surfaces.

ii) If the plate is 7-5mm from the one of the surfaces. Take the dynamic viscosity of glycerene equal to 8.04×10

^{-1}Ns/m^{2}
10 M

3 (a)
State and prove the pascal's law.

10 M

3 (b)
A hollow cylinder of outer diameter 1m, inner diameter 0-75m, weights 2h kN. Where 'h' is the height of cylinder. It is required to float in water with its longitudinal axis vertical. Calculate the height of cylinder.

6 M

3 (c)
Explain the following

i) Lagrangian method and Exlerian method.

ii) Stable, unstable and netural equllibrium.

i) Lagrangian method and Exlerian method.

ii) Stable, unstable and netural equllibrium.

4 M

4 (a)
Describe condition of stability of floating body in detail.

10 M

4 (b)
An orifice meter with orifice diameter 10cm is inserted in a pipe of 20cm diameter. The pressure gauges fitted up stream and downstream of the orifice meter gives reading of 19.62N/cm

^{2}and 9.81N/cm^{2}respectively Co-efficent of discharge for the orifice meter is given as 0.6. Find the discharge of water through pipe.
10 M

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