Fluid Mechanics FM 3rd Sem/Civil/0510/Dec 2018 Diploma Paper

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Fluid Mechanics 3rd Sem/Civil/Dec 2018 Diploma Question Paper

SECTION-A

Q1. a) Fill in the Blanks. 15×1=15

i. A ___ fluid is one that is incompressible and has no viscosity.
ii. Specific gravity is also called
iii. _ is measure of resistance of relative translation motion of adjacent layer.
iv. _ is that branch of hydraulics which deals with water at rest.
v. The point where total pressure acts is known as
vi. Peizometer measures __ pressure.
vii. Dead weight pressure gauge is used to _ pressure gauge.
viii. In laminar flow, Reynolds’s number is _____
ix. Hydraulic pumps converts _energy into hydraulic energy.
x. Reciprocating pump is a type of ____________

b) State True or False.

xi. Density of fluid is the ratio of mass of fluid to its volume.
xii. Viscosity is not a measure of resistance to relative translation motion of adjacent layer.
xiii. The pressure which is below the atmospheric is called vacuum pressure.
xiv. Laminar flow is regular, smooth and systematic.
xv. Centrifugal pump works on the principal of forced vortex flow.

SECTION-B

Q2. Attempt any five questions. 5×6=30

a. Define Pascal’s law and what is its application?
b. Define Total pressure, resultant pressure and pressure head.
c. Write a short note on
i) Simple manometer ii) Differential manometer
d. Differentiate between steady and unsteady flow.
e. Differentiate between uniform and non uniform flow.
f. Find the discharge of water flowing through a rectangular notch of 4m length when constant head over notch is 200 mm. Take Cd =0.65?
g. Define an Orifice and mouthpiece .What is the difference between the two?
h. State the condition for the following section to be most economical
i) Rectangular section ii) Trapezoidal section

SECTION-C

Q3. Attempt any three questions. 3×10=30

i. What are the losses in pipelines? Explain minor and major loses.
ii. Explain in detail the hydraulic gradient line and total energy line by showing its diagram.
iii. Describe in detail water hammer phenomenon and its effect.
iv. Define Bernoulli’s theorem. Explain its assumptions and limitations.
v. A rectangular channel has a cross-sectional area of 72m2. Calculate the discharge through the most economical section, when the bed slope is 1 in 1500 and C=55.

Download Previous Year Diploma Paper of Fluid Mechanics 3rd Sem/Civil/Dec 2018 Solved Paper

Fluid Mechanics 3rd Sem/Civil/Dec 2018 Diploma Solved Question Paper

SECTION-A

Q1. a) Fill in the Blanks. 15×1=15

i. A ___ fluid is one that is incompressible and has no viscosity.
ii. Specific gravity is also called
iii. _ is measure of resistance of relative translation motion of adjacent layer.
iv. _ is that branch of hydraulics which deals with water at rest.
v. The point where total pressure acts is known as
vi. Peizometer measures __ pressure.
vii. Dead weight pressure gauge is used to _ pressure gauge.
viii. In laminar flow, Reynolds’s number is _____
ix. Hydraulic pumps converts _energy into hydraulic energy.
x. Reciprocating pump is a type of ____________

b) State True or False.

xi. Density of fluid is the ratio of mass of fluid to its volume.
xii. Viscosity is not a measure of resistance to relative translation motion of adjacent layer.
xiii. The pressure which is below the atmospheric is called vacuum pressure.
xiv. Laminar flow is regular, smooth and systematic.
xv. Centrifugal pump works on the principal of forced vortex flow.

Fluid Mechanics 3rd Sem/Civil/dec 2018 Diploma Solved Question Paper

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Section a Fluid Mechanics 3rd Sem/Civil/dec 2018 Diploma Solved Question Paper

A _______ fluid is one that is incompressible and has no viscosity. Specific gravity is also called _________ _______ is measure of resistance of relative translation motion of adjacent layer. _______ is that branch of hydraulics which deals with water at rest. The point where total pressure acts is known as _________ Peizometer measures __________ pressure. Dead weight pressure gauge is used to _________ pressure gauge. In laminar flow, Reynolds’s number is _____________ Hydraulic pumps converts _________energy into hydraulic energy Reciprocating pump is a type of ________________ Density of fluid is the ratio of mass of fluid to its volume.T/F Viscosity is not a measure of resistance to relative translation motion of adjacent layer.T/F The pressure which is below the atmospheric is called vacuum pressure.T/F Laminar flow is regular, smooth and systematic.T/F Centrifugal pump works on the principal of forced vortex flow.T/F

Fluid Mechanics 3rd Sem/Civil/Dec 2018 Diploma Solved Question Paper Click Here

Section B :Fluid Mechanics 3rd Sem/Civil/dec 2018 Diploma Solved Question Paper

Define Pascal’s law and what is its application?

Pascal’s law and its application

Define Total pressure, resultant pressure and pressure head.

Total pressure, resultant pressure and pressure head.

Write a short note on i) Simple manometer

Simple manometer

ii) Differential manometer

Differential manometer

Differentiate between steady and unsteady flow.

Comparison between steady and unsteady flow.

What is the Differentiate between uniform and non uniform flow.

Differentiate between uniform and non uniform flow.

Find the discharge of water flowing through a rectangular notch of 4m length when constant head over notch is 200 mm. Take Cd =0.65?

Find the discharge of water flowing through a rectangular notch Problem Numerical

Define an Orifice and mouthpiece .What is the difference between the two?

Orifice and mouthpiece .

State the condition for the following section to be most economical i) Rectangular section

most economical
i) Rectangular section

ii) Trapezoidal section

Trapezoidal section

Fluid Mechanics 3rd Sem/Civil/Dec 2018 Diploma Solved Paper Click Here

Fluid Mechanics 3rd Sem/Civil /May 2018 Diploma Solved Question Paper

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Section c :-Fluid Mechanics 3rd Sem/Civil/dec 2018 Diploma Solved Question Paper

What are the losses in pipelines? Explain minor and major

Losses in pipelines

Explain minor and major

Explain in detail the hydraulic gradient line and total energy line by showing its Diagrams

Hydraulic gradient line and total energy line by showing its Diagrams

Describe in detail water hammer phenomenon and its Effect

Water hammer phenomenon and its Effect

Define Bernoulli’s theorem. Explain its assumptions and limitations

Bernoulli’s theorem its assumptions and limitations

A rectangular channel has a cross-sectional area of 72m2. Calculate the discharge through the most economical section, when the bed slope is 1 in 1500 and C=55.

A rectangular channel Numerical

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