## Download Previous Year Diploma Paper of Fluid Mechanics 3rd Sem/Civil/May 2018 Paper

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

** SECTION-A**

**Q1. a) Fill in the Blanks. 15×1=15**

#### i. The pipe running partially full behaves likes an ___________.

#### ii. Vacuum pressure is also called __________________

iii. The ratio of inertia force to viscous force is known as _______________.

iv. Bar is the unit of ________________

v. Loss of head at the exit of pipe is given as _______________

vi. Pitot tube is used to measure __________ the of stream at a particular depth.

vii. An ideal fluid is that which has no ____________

viii. In an open channel water flows under _____________

ix. Piezometer is used to measure the ________________

x. The sheet of water flowing through a notch is known as ____________.

b) State True or False.

xi. Stoke is the unit of kinematic viscosity.

xii. Specific volume is the reciprocal of mass density.

xiii. Hydrostatic pressure is the pressure of water at rest.

xiv. The pressure intensity does not vary with depth of liquid.

xv. Reciprocating pumps are also called negative displacement pumps

## ** SECTION-B**

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

#### a. Explain the entrance and exit losses in a pipe.

b. Define an economical section, hydraulic mean depth and wetted perimeter.

c. State Bernoulli’s theorem and its applications.

d. Explain the continuity equation of flow.

e. Write a short note on differential monometer.

f. Explain the total energy line and hydraulic gradient line.

g. Explain the differences between an orifice and mouthpiece.

h. Differentiate between real fluids and ideal fluids.

i. Explain the concept of Water Hammer.

** SECTION-C**

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

#### i. Calculate the mass density, specific weight and specific gravity of one litre of liquid which weighs 9 N.

ii. A triangular plate of base 3 m and height 4 m lies immersed vertically in water with the apex downward. The base of plate is 1 m below the free water surface. Determine the total pressure and center of pressure.

iii. Calculate the flow of water in liters/hour through a 40×15 cm venturimeter when differential gauge connected to the inlet end of the meter and its throat shows 25 cm o of mercury. Assume the discharge coefficient as 0.98.

iv. A differential manometer connected at two points A and B in a pipe containing an oil of specific gravity 0.8 shows a difference in mercury levels as 15 mm. Determine the difference in pressure at the two points in terms of head of water.

v. A rectangular channel has a cross section of 8 m2.Find the discharge and size through the most economical section. If the bed slope is 1 in 1000 .Take c=55.

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

** SECTION-A**

**Q1. a) Fill in the Blanks. 15×1=15**

#### i. The pipe running partially full behaves likes an .

ii. Vacuum pressure is also called

iii. The ratio of inertia force to viscous force is known as .

iv. Bar is the unit of

v. Loss of head at the exit of pipe is given as

vi. Pitot tube is used to measure the of stream at a particular depth.

vii. An ideal fluid is that which has no

viii. In an open channel water flows under

ix. Piezometer is used to measure the .

x. The sheet of water flowing through a notch is known as .

b) State True or False.

xi. Stoke is the unit of kinematic viscosity.

xii. Specific volume is the reciprocal of mass density.

xiii. Hydrostatic pressure is the pressure of water at rest.

xiv. The pressure intensity does not vary with depth of liquid.

xv. Reciprocating pumps are also called negative displacement pumps

#### Entrance and exit losses in a pipe.

#### Economical section, hydraulic mean depth and wetted perimeter.

#### Bernoulli’s theorem and its applications.

#### Continuity equation of flow.

#### Short note on differential monometer.

#### Total energy line and hydraulic gradient

#### Differences between an orifice and mouthpiece.

#### Differentiate between real fluids and ideal fluids.

#### Concept of Water Hammer.

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

#### Calculate the mass density, specific weight and specific gravity of one litre

#### A triangular plate Numerical

#### Differential manometer Numerical.

#### A Rectangular channel Numerical

###### Fluid Mechanics 3rd Sem/Civil/May 2018 Diploma Solved Question Paper **Contact Us**

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