C B3C002 Total Pages:2

b) What are the different regions of the flow of fluid in neighbourhood of solid boundary
according to boundary layer theory? (5)
8. a) Derive the expression for discharge of venturimeter. (6)
b) An orifice meter with orifice diameter 8 cm is inserted in a pipe of 20 cm diameter.
The pressure gauge fitted in the upstream and downstream of the orifice meter shows a
reading of 21.45 N/cm? and 9.95 N/cm” respectively. Find the discharge of water through
the pipe. Take the value of coefficient of discharge as 0.64. (4)

Part C
(Answer any four questions)

9. a) A jet of water 75 mm in diameter having a velocity of 20 m/s strikes a series of the flat
plates arranged around the periphery of a wheel such that plate appears successively
before the jet. If the plates are moving at a velocity of 5 m/s. Compute the force exerted
by jet on plates. (5)
b) Derive the expression for force exerted by jet on stationary inclined plate. (5)

10.a) How are turbines classified in general? Describe in detail about the different
classifications. (7)
b) What is a draft tube and describe its purpose in a turbine system (3)

11. Discuss the constructional features of an axial flow reaction turbine with neat sketch of
the entire unit and parts. (10)

12. Illustrate the working principle of a singularity reciprocating pump and describe its parts
with necessary sketches. Also mention the equations for discharge and work done. (10)

13. a) What are the important functions of multistage centrifugal pumps? Describe any one
function in detail with necessary sketches. (7)
b) Define specific speed of a centrifugal pump. Give its equation. (3)

14. ೩) Define the following in cases of a centrifugal pump- Manometric efficiency,
Mechanical Efficiency. (5)
b) What is the need for priming in a centrifugal pump? (5)

KKK

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