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

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

**Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â SECTION-A**

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

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

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

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

Â Â Â iv. Bar is the unit of ________________

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

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

Â Â vii. An ideal fluid is that which has no ____________Â

Â Â viii. In an open channel water flows under _____________

Â Â ix. Piezometer is used to measure the ________________

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

Â Â Â b) State True or False.

Â Â xi. Stoke is the unit of kinematic viscosity.

Â Â xii. Specific volume is the reciprocal of mass density.

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

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

Â Â xv. Reciprocating pumps are also called negative displacement pumps

## Â **Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â SECTION-B**

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

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

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

Â Â c. State Bernoulli’s theorem and its applications.

Â Â d. Explain the continuity equation of flow.

Â Â e. Write a short note on differential monometer.

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

Â Â g. Explain the differences between an orifice and mouthpiece.

Â Â h. Differentiate between real fluids and ideal fluids.

Â Â i. Explain the concept of Water Hammer.

**Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â SECTION-C**

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

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

Â Â Â 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.

Â Â Â 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.

Â Â Â 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.

Â Â Â 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

**Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â SECTION-A**

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

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

Â Â Â ii. Vacuum pressure is also called

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

Â Â Â iv. Bar is the unit of

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

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

Â Â vii. An ideal fluid is that which has no

Â Â viii. In an open channel water flows under

Â Â ix. Piezometer is used to measure the .

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

Â Â Â b) State True or False.

Â Â xi. Stoke is the unit of kinematic viscosity.

Â Â xii. Specific volume is the reciprocal of mass density.

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

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

Â Â xv. Reciprocating pumps are also called negative displacement pumps

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

Â Â

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

Â Â

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

Â Â Â

#### Continuity equation of flow.

Â Â

#### Short note on differential monometer.

Â Â Â

#### Total energy line and hydraulic gradient

#### Differences between an orifice and mouthpiece.

Â Â

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

Â Â

#### Concept of Water Hammer.

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

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

Â Â Â Â

#### A triangular plate Numerical

Â Â Â

#### Differential manometerÂ Numerical.

Â Â Â

#### Â A Rectangular channelÂ Numerical

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

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