Download Previous Year Diploma Paper of Fluid Mechanics 3rd Sem/Civil/Dec 2015 PaperFluid Mechanics 3rd Sem/Civil/Dec 2015 Diploma Question Paper

## Download Previous Year Diploma Paper of Fluid Mechanics 3rd Sem/Civil/Dec 2015 Paper

## Fluid Mechanics 3rd Sem/Civil/Dec 2015 Diploma Question Paper

** SECTION-A**

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

#### a) ___________ is the inverse of specific weight.

b) An ideal fluid has _______ viscosity.

c) The point where pressure acts is known as ____________ .

d) Area of venacontracta is __________ than area of orifice.

e) Vacuum pressure is also called ___________ .

f) Laminar flow is also called _____________.

g) The highest point in a pipe lying above the hydraulic gradient is called ___

h) The relationship between Cd,Cv and Cc in Cd ______________ .

i) In centrifugal pumps, pressure is developed by ____________ .

j) Water hammer is caused by __________ clousure of valve.

#### (B) State true false 5×1=5

#### a) Hydrostatic deals with the study of liquids at rest.

b) The pressure can also be expressed in mm of mercury.

c) When the tap is just open, it is the case of steady flow.

d) Bar is the unit of pressure.

e) A foot valve is used in case of centrifugal pump.

## ** SECTION-B**

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

#### a) State Bernoulli’s theorem and its applications.

b) Differentiate between specific weight and specific volume of liquid.

c) Convert intensity of pressure of 2mpa into equivalent pressure head of oil of specific gravity0.8.

d) Write the function of an orifice meter.

e) What do you mean by gauge pressure?

f) How are the weirs and notches classified?

g) Name the major and minor losses of head during flow through a pipe line.

h) Name the main components of a centrifugal pump.

** 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/Dec 2015 Diploma Solved Question Paper

** SECTION-A**

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

#### a) ___________ is the inverse of specific weight.

b) An ideal fluid has _______ viscosity.

c) The point where pressure acts is known as ____________ .

d) Area of venacontracta is __________ than area of orifice.

e) Vacuum pressure is also called ___________ .

f) Laminar flow is also called _____________.

g) The highest point in a pipe lying above the hydraulic gradient is called _________ .

h) The relationship between Cd,Cv and Cc in Cd ______________ .

i) In centrifugal pumps, pressure is developed by ____________ .

j) Water hammer is caused by __________ clousure of valve.

#### (B) State true false 5×1=5

#### a) Hydrostatic deals with the study of liquids at rest.

b) The pressure can also be expressed in mm of mercury.

c) When the tap is just open, it is the case of steady flow.

d) Bar is the unit of pressure.

e) A foot valve is used in case of centrifugal pump.

Bernoulli’s theorem and its applications.

Differentiate between specific weight and specific volume of liquid.

How to Convert intensity of pressure of 2mpa into equivalent pressure head of oil of specific gravity 0.8.

Function of an orifice meter.

Gauge pressure

How are the weirs and notches classified

What is the name Major and minor losses of head during flow through a pipe line.

Name the main components of a centrifugal pump.

##### Fluid Mechanics 3rd Sem/Civil/Dec 2015 Diploma Solved Paper Click Here

An isosceles triangular plate Numerical

working of the hydraulic press

Co-efficient of Venurimeter Numerical

A tank Numerical Calculate the coefficient of velocity, coefficient of contraction and coefficient of discharge.

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