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CE6451 FLUID MECHANICS AND MACHINERY Question Bank Regulation 2013 Anna University

CE6451 FLUID MECHANICS AND MACHINERY Question Bank Regulation 2013 Anna University

CE6451 FLUID MECHANICS AND MACHINERY Question Bank

CE6451 FLUID MECHANICS AND MACHINERY Question Bank Regulation 2013 Anna University free download. FLUID MECHANICS AND MACHINERY CE6451 Question Bank free pdf download.

Sample CE6451 FLUID MECHANICS AND MACHINERY Question Bank :

1. A soap bubble is formed when the inside pressure is 5 N/m2 above the atmospheric pressure. If surface tension in the soap bubble is 0.0125 N/m, find the diameter of the bubble formed.

2. The converging pipe with inlet and outlet diameters of 200 mm and 150 mm carries the oil whose specific gravity is 0.8. The velocity of oil at the entry is 2.5 m/s, find the velocity at the exit of the pipe and oil flow rate in kg/sec.

3. What is the variation of viscosity with temperature for fluids?

(CE6451 FLUID MECHANICS AND MACHINERY Question Bank)

4. Find the height of a mountain where the atmospheric pressure is 730 mm of Hg at Normal conditions.

5. What is meant by vapour pressure of a fluid?

6. Distinguish between atmospheric pressure and gauge pressure.

7. What are Non-Newtonian fluids? Give examples.

8. Mention the uses of a manometer.

9. What do you mean by absolute pressure and gauge pressure?

10. Define the term Kinematic Viscosity and give its dimension.

(CE6451 FLUID MECHANICS AND MACHINERY Question Bank)

11. What is meant by continuum?

12. State Pascal’s hydrostatic law.

13. What is specific gravity? How is it related to density?

14. How does the dynamic viscosity of liquids and gases vary with temperature?

15. How does the dynamic viscosity of (a) liquids and (b) gases vary with temperature?

(CE6451 FLUID MECHANICS AND MACHINERY Question Bank)

16. What is the difference between gauge pressure and absolute pressure?

17. Differentiate between solids and liquids.

18. Define the following terms:
(a)Total pressure
(b)Centre (or) position of pressure.

19. What is meant by capillarity?

20. Define buoyancy.

(CE6451 FLUID MECHANICS AND MACHINERY Question Bank)

21. What is viscosity? What is the cause of it in liquids and in gases?

22. State Pascal’s law.

Subject Name FLUID MECHANICS AND MACHINERY
Subject Code CE6451
Regulation 2013
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CE6451 FLUID MECHANICS AND MACHINERY Important questions Regulation 2013 Anna University

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CE6451 FLUID MECHANICS AND MACHINERY Important questions

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Sample CE6451 FLUID MECHANICS AND MACHINERY Important questions:

PART A

1. Define viscosity?

2. What is compressibility?

3. Define dynamic viscosity?

4. What is cause for viscosity?

5. Give some example of surface tension ?

6. Define vapour pressure?

7. Define vapour pressure?

(CE6451 FLUID MECHANICS AND MACHINERY Important questions)

8. Give the Euler‘s equation of motion?

9. What is bernouillie‘s equation for real fluid?

10. State momentum equation and Impulse momentum equation?

11. State moment of momentukm equation?

12. State Bernouillie‘s theorem?

13. Differentiate steady and unsteady flow?

14. State the assumptions in Bernoulli‘s equation.

PART B (CE6451 FLUID MECHANICS AND MACHINERY Important questions)

1) a) Derives Euler‘s Equation of Motion and proves the Bernoulli‘s equation. (12 Marks)

b) Define the terms: i) Steady and unsteady flows ii) Specific weight (4 Marks)

2) a) Define the terms: i) Kinematics of flow ii) Uniform and non-uniform flows iii) Rotational and irrotational flows (6 Marks)

3) a) Derive the three dimensional Continuity equation. (10 Marks)
b) Define the following i) Compressibility ii) Vapour pressure
iii) Capillarity (6Marks)

4) State the momentum equation. How will you apply momentum equation for determining the force exerted by a flowing fluid on a pipe bend? (12 Marks)

b) Define Moment of Momentum equation. Where this equation is used? (4 Marks)

PART A (CE6451 FLUID MECHANICS AND MACHINERY Important questions)

1. What do you mean by the term ‗Boundary Layer‘?

2. What is Laminar sub-layer?

3. Define Momentum thickness in Boundary Layer concept.

4. Sketch the development of Boundary layer over a flat plate.

5. Define the term ‗Turbulence‘

6. Define: ‗Hydraulic Gradient Line‘

7. Define: ‗Total gradient Line‘

8. What is the expression for head loss due to friction in Darcy formula?

(CE6451 FLUID MECHANICS AND MACHINERY Important questions)

9. What are the factors to the determined when viscous fluid flows through the circular pipe ?

10. What do you understand by the terms a) major energy losses , b) minor energy losses?

11. Give an expression for loss of head due to sudden enlargement of the pipe :-

12. Give an expression for loss of head due to an obstruction in pipe

13. What are the basic educations to solve the problems in flow through branched pipes?

14. What is Dupuit‘s equation ?

(CE6451 FLUID MECHANICS AND MACHINERY Important questions)

Subject Name FLUID MECHANICS AND MACHINERY
Subject Code CE6451
Regulation 2013
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CE6451 FLUID MECHANICS AND MACHINERY Notes Regulation 2013 Anna University

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CE6451 FLUID MECHANICS AND MACHINERY Notes 

CE6451 FLUID MECHANICS AND MACHINERY Notes Regulation 2013 Anna University free download. FLUID MECHANICS AND MACHINERY CE6451 Notes free pdf download.

OUTCOMES CE6451 FLUID MECHANICS AND MACHINERY Notes:

  • Upon completion of this course, the students can able to apply mathematical knowledge to predict the properties and characteristics of a fluid.
  • Can critically analyse the performance of pumps and turbines.

TEXT BOOK CE6451 FLUID MECHANICS AND MACHINERY Notes:

  1. Modi P.N. and Seth, S.M. “Hydraulics and Fluid Mechanics”, Standard Book House, New Delhi 2004.

REFERENCES CE6451 FLUID MECHANICS AND MACHINERY Notes:

  1. Streeter, V. L. and Wylie E. B., “Fluid Mechanics”, McGraw Hill Publishing Co. 2010.
  2. Kumar K. L., “Engineering Fluid Mechanics”, Eurasia Publishing House(p) Ltd., New Delhi 2004.
  3. Robert W.Fox, Alan T. McDonald, Philip J.Pritchard, “Fluid Mechanics and Machinery”, 2011.
  4. Graebel. W.P, “Engineering Fluid Mechanics”, Taylor & Francis, Indian Reprint, 2011.

What is fluid mechanics?

As its name suggests it is the branch of applied mechanics concerned with the statics and dynamics of fluids – both liquids and gases.

The analysis of the behavior of fluids is based on the fundamental laws of mechanics which relate continuity of mass and energy with force and momentum together with the familiar solid mechanics properties.

Define the nature of a fluid.

Show where fluid mechanics concepts are common with those of solid mechanics and indicate some fundamental areas of difference.

Introduce viscosity and show what are Newtonian and non-Newtonian fluids

Define the appropriate physical properties and show how these allow differentiation between solids and fluids as well as between liquids and gases.

Subject Name FLUID MECHANICS AND MACHINERY
Subject Code CE6451
Regulation 2013
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ME6301 Engineering Thermodynamics Question Bank Regulation 2013 Anna University

ME6301 Engineering Thermodynamics Question Bank Regulation 2013 Anna University

 ME6301 ENGINEERING THERMODYNAMICS Question Bank

ME6301 Engineering Thermodynamics Question Bank Regulation 2013 Anna University free download. ENGINEERING THERMODYNAMICS ME6301 Question Bank pdf free download.

Sample ME6301 Engineering Thermodynamics Question Bank:

PART – A (ME6301 Engineering Thermodynamics Question Bank)

1. What do you understand by pure substance?

2. Define thermodynamic system.

3. Name the different types of system.

4. Define thermodynamic equilibrium.

5. What do you mean by quasi-static process?

6. Define Path function.

7. Define point function.

8. Explain homogeneous and heterogeneous system.

9. What is a steady flow process? (ME6301 Engineering Thermodynamics Question Bank)

10. Prove that for an isolated system, there is no change in internal energy.

11. Indicate the practical application of steady flow energy equation.

12. Explain Mechanical equilibrium.

13. Explain Chemical equilibrium.

14. Explain Thermal equilibrium.

15. Define Zeroth law of Thermodynamics. (ME6301 Engineering Thermodynamics Question Bank)

16. What are the limitations of first law of thermodynamics?

17. What is perpetual motion machine of first kind?

18. Differentiate between Microscopic and Macroscopic?

19. Differentiate Quasi static and non Quasi static process? (ME6301 Engineering Thermodynamics Question Bank)

20. Differentiate reversible process and irreversible process?

PART – B

1. a) A rigid tank containing 0.4m3 of air at 400 kPa and 30oC is connected by a valve to a piston cylinder device with zero clearance. The mass of the piston is such that a pressure of 200 kPa is required to raise the piston. The valve is opened slightly and air is allowed to flow into the cylinder until the pressure of the tank drops to 200 kPa. During this process, heat is exchanged with the surrounding such that the entire air remains at 30oC at all times. Determine the heat transfer for this process. (ME6301 Engineering Thermodynamics Question Bank)

b) A reciprocating air compressor taken in 2m3/min air at 0.11MPa, 293K which it delivers at 1.5 Mpa, 384 K to an after cooler where the air where the air is cooled at constant pressure to 298 K. the power absorbed by the compressor is 4.15 kW.

Subject Name ENGINEERING THERMODYNAMICS
Subject Code ME6301
Regulation 2013
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ME6301 ENGINEERING THERMODYNAMICS Important questions Regulation 2013 Anna University

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 ME6301 ENGINEERING THERMODYNAMICS Important questions

ME6301 Engineering Thermodynamics Important questions Regulation 2013 Anna University free download. ENGINEERING THERMODYNAMICS ME6301 Important questions pdf free download.

Sample ME6301 ENGINEERING THERMODYNAMICS Important questions:

1. Name the forms of energy transfer across the boundary of a thermodynamic system.

2. State the thermodynamics definition of work.

3. Define a quasi-equilibrium process.

4. Define intensive and Extensive properties. Give examples.

5. What is the state postulate ?

(ME6301 Engineering Thermodynamics Important questions)

6. What is zeroth law of thermodynamics ?

7. When does the concept of continuum become invalid ?

8. In which type of system neither mass nor energy is allowed to cross the boundary.

(ME6301 Engineering Thermodynamics Important questions)

9. What is meant by thermodynamic equilibrium?

10. What is meant by a control surface?

11. What is meant by microscopic and macroscopic approach?

12. Universal gas constant = Characteristic Gas constant Molecular weight (T/F)

13. What is an open system? Give examples.

14. Define a closed system. Give example

15. What is the work done in compressing a spring of stiffness 500 N/cm by 2 cm?
[1 kJ]

16. An electric water with a resistance of 50 Ohms heater is connected across a power supply of 240 Volt for a period of 1 hour.
a) Determine the work done by the power source on the heater.
b) How many units of electricity are consumed?
[5184 kJ; 1.44 k Whr]

(ME6301 Engineering Thermodynamics Important questions)

17. A gas is contained in a piston cylinder arrangement as given in the Figure 2.28.Initial volume of the gas is 0.5 m3. It is compressed from 1 bar to 10 bar such that the temperature remains constant. Find the final volume and work done.
[0.05 m3 ;115.13 kJ]

18. Air expands from 0.1 m3 to 0.23 m3 at a constant temperature of 50oC. Calculate the work done per kg of air. Rair  0.287 kJ/kgK.
[77.2 kJ]

19. Oxygen contained in a cylinder fitted with a piston expands in a quasistatic process according to the law pV1.5 constant. The initial pressure, temperature and volume are 5 bar, 300 k and 0.05 m3. After expansion, the pressure is 2 bar.
Find the following :
a. Final volume
b. Final temperature
c. Work done
[0.0921 m3 ; 221 K ; 13.16 kJ]

20. Air is compressed adiabatically from 0.92 m3 to 0.29 m3 in a piston cylinder arrangement. Taking its initial pressure and temperature as 103 kPa and 300 k respectively, find the work done. Also find the final temperature.

Subject Name ENGINEERING THERMODYNAMICS
Subject Code ME6301
Regulation 2013
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ME6301 Engineering Thermodynamics Important questions Click Here to download

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ME6301 Notes ENGINEERING THERMODYNAMICS Regulation 2013 Anna University

 ME6301 ENGINEERING THERMODYNAMICS NOTES

ME6301 ENGINEERING THERMODYNAMICS Notes Regulation 2013 Anna University free download. ENGINEERING THERMODYNAMICS ME6301 Notes pdf free download.

ME6301 ENGINEERING THERMODYNAMICS Notes OUTCOMES:

  • Upon completion of this course, the students can able to apply the Thermodynamic Principles to Mechanical Engineering Application.
  • Apply mathematical fundamentals to study the properties of steam, gas and gas mixtures.

ME6301 ENGINEERING THERMODYNAMICS Notes TEXT BOOKS:

  1.  Nag.P.K., “Engineering Thermodynamics”, 4thEdition, Tata McGraw-Hill, New Delhi, 2008.
  2. Natarajan E., “Engineering Thermodynamics: Fundamentals and Applications”, AnuragamPublications, 2012.
  3. What is Thermodynamics?

For a wide range of engineering plant like steam turbines, reciprocating engines, turbo-jets, rockets, combustion systems etc., we are concerned with the transfer of heat and work.

In many cases the objective is to convert one form of energy to another. Thermodynamics is science of energy and entropy. “Thermodynamics is the science that deals with heat and work and those properties of substances that bear a relation to heat and work.”

State, Property, Path, Process

The idea of system is defined in the introduction. A closed system is fully defined when the following details are known:
• The fluid, i.e. whether gas, water etc.
• The boundary between the fluid under consideration and its surroundings
• The mass of the fluid within the boundary.
Every system has certain characteristics by which its physical condition may be described, e.g. volume, temperature, pressure etc. Such characteristics are called properties of the system.

These are all macroscopic in nature. When all the properties of a system have definite values, the system is said to exist at a definite state.

Any operation in which one or more properties of a system change is called a change of state

ME6301 ENGINEERING THERMODYNAMICS Notes REFERENCES:

  1. Cengel. Y and M.Boles, “Thermodynamics – An Engineering Approach”, 7th Edition, TataMcGraw Hill, 2010.
  2. Holman.J.P., “Thermodynamics”, 3rd Edition, McGraw-Hill, 1995.
  3. Rathakrishnan. E., “Fundamentals of Engineering Thermodynamics”, 2nd Edition, Prentice-Hall of India Pvt. Ltd, 2006
  4. Chattopadhyay, P, “Engineering Thermodynamics”, Oxford University Press, 2010.
  5. Arora C.P, “Thermodynamics”, Tata McGraw-Hill, New Delhi, 2003.
  6. Van Wylen and Sonntag, “Classical Thermodynamics”, Wiley Eastern, 1987
  7. Venkatesh. A, “Basic Engineering Thermodynamics”, Universities Press (India) Limited, 2007.
  8. Kau-Fui Vincent Wong, “Thermodynamics for Engineers”, CRC Press, 2010 Indian Reprint.
  9. Prasanna Kumar: Thermodynamics “Engineering Thermodynamics” Pearson Education, 2013

 

Subject Name ENGINEERING THERMODYNAMICS
Subject Code ME6301
Regulation 2013
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CE6306 STRENGTH OF MATERIALS Question Bank Regulation 2013 Anna University

CE6306-STRENGTH-OF-MATERIALS-Question-Bank-Regulation-2013-Anna-University

CE6306 STRENGTH OF MATERIALS Question Bank

CE6306 STRENGTH OF MATERIALS Question Bank Regulation 2013 Anna University free download. CE6306 Question Bank STRENGTH OF MATERIALS free pdf download.

Sample CE6306 STRENGTH OF MATERIALS Question Bank:

PART- A (2 Marks)

1. What is Hooke’s Law?

2. What are the Elastic Constants?

3. Define Poisson’s Ratio.

4. Define: Resilience

5. Define proof resilience

6. Define modulus of resilience.

7. Define principal planes and principal stresses.

8. Define stress and strain.

9. Define Shear stress and Shear strain.

10. Define elastic limit.

11. Define volumetric strain.

12. Define tensile stress and compressive stress.

13.Define young’s Modulus.

14.What is the use of Mohr’s circle?

15.Define thermal stress.

16. Define Bulk modulus.

17. What is modulus of rigidity?

18. Define factor of safety.

19. State the relationship between young’s modulus and modulus of rigidity..

20. What is compound bar?

PART- B (16 Marks)

1. A Mild steel rod of 20 mm diameter and 300 mm long is enclosed centrally inside a hollow copper tube of external diameter 30 mm and internal diameter 25 mm. The ends of the rod and tube are brazed together, and the composite bar is subjected to an axial pull of 40 kN. If E for steel and copper is 200 GN/m2 and 100 GN/m2 respectively, find the stresses developed in the rod and the tube also find the extension of the rod.

2. A cast iron flat 300 mm long and 30 mm (thickness) × 60 mm (width) uniform cross section, is acted upon by the following forces : 30 kN tensile in the direction of the length 360 kN compression in the direction of the width 240 kN tensile in the direction of the thickness. Calculate the direct strain, net strain in each direction and change in volume of the flat. Assume the modulus of elasticity and Poisson’s ratio for cast iron as 140 kN/mm2 and 0.25
respectively.

3. A bar of 30 mm diameter is subjected to a pull of 60 kN. The measured extension on gauge length of 200 mm is 0.09 mm and the change in diameter is 0.0039 mm. calculate the Poisson’s ratio and the values of the three moduli.

Subject Name STRENGTH OF MATERIALS
Subject Code CE6306
Regulation 2013
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CE6306 STRENGTH OF MATERIALS Important questions Regulation 2013 Anna University

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CE6306 STRENGTH OF MATERIALS Important questions

CE6306 STRENGTH OF MATERIALS Important questions Regulation 2013 Anna University free download. CE6306 Important questions STRENGTH OF MATERIALS free pdf download.

Sample CE6306 STRENGTH OF MATERIALS Important questions:

 

1. Define Poisson’s Ratio. (April/ May 2009)
The negative ratio of lateral strain to the longitudinal strain is known as Poisson’s ratio.

2. What is thermal Stress? (May/June 2009)
If the expansion of a structural member is constrained, it will cause stresses to develop which are known as thermal Stress.

3. State Hooke’sLaw. (April/May 2010)
The Ratio of stress to the strain with in elastic limit is known as Hooke’s Law.

(CE6306 STRENGTH OF MATERIALS Important questions)

4. Define Bulk Modulus. (April/May 2010)
The Ratio of direct stress to the corresponding volumetric strain is known as Bulk Modulus.

5. Define Modulus of resilience. (April/May 2011)
Proof resilience per unit volume is defined as Modulus of resilience.

6. Define Elasticity. (May/June 2012)
It is the property of material to regain its original shape and dimensions on removing external load acting on it.

7. Give the relation between Modulus of Elasticity and Modulus of Rigidity. (May/June 2012)
The relation between modulus of elasticity and modulus of rigidity are as follows E= 2G(1+v)

(CE6306 STRENGTH OF MATERIALS Important questions)

8. What is Strain Energy? (April/May 2011)
The Workdone is stored in rod and is known as strain energy.

9. Define Proof Resilience. (Nov/Dec 2009)
The maximum strain energy that can be stored in a body without permanent deformation is known as Proof resilience.

10. Define compressive stress. (Nov/Dec 2011)
The Resistance offered by the section of member or body against the decrease in length due to applied pushing load.

(CE6306 STRENGTH OF MATERIALS Important questions)

Subject Name STRENGTH OF MATERIALS
Subject Code CE6306
Regulation 2013
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CE6306 STRENGTH OF MATERIALS Notes Regulation 2013 Anna University

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CE6306 STRENGTH OF MATERIALS NOTES 

CE6306 STRENGTH OF MATERIALS Notes Regulation 2013 Anna University free download. CE6306 Notes STRENGTH OF MATERIALS free pdf download.

OUTCOMES CE6306 STRENGTH OF MATERIALS Notes:

  •  Upon completion of this course, the students can able to apply mathematical knowledge to calculate the deformation behavior of simple structures.
  • Critically analyse problem and solve the problems related to mechanical elements and analyse the deformation behavior for different types of loads.

TEXT BOOKS CE6306 STRENGTH OF MATERIALS Notes:

  1.  Bansal, R.K., “Strength of Materials”, Laxmi Publications (P) Ltd., 2007
  2. Jindal U.C., “Strength of Materials”, Asian Books Pvt. Ltd., New Delhi, 2007

CE6306 STRENGTH OF MATERIALS Notes REFERENCES:

  1.  Egor. P.Popov “Engineering Mechanics of Solids” Prentice Hall of India, New Delhi, 2001
  2. Subramanian R., “Strength of Materials”, Oxford University Press, Oxford Higher Education Series, 2007.
  3. Hibbeler, R.C., “Mechanics of Materials”, Pearson Education, Low Price Edition, 2007
  4. Ferdinand P. Been, Russell Johnson, J.r. and John J. Dewole “Mechanics of Materials”, Tata McGraw Hill Publishing ‘co. Ltd., New Delhi, 2005.

Rigid body motion theory is a fundamental and well-established part of physics. It is based on the approximation that for stiff materials, any force applied to a body produces a negligible deformation.

Thus, the only change a force can produce is change in the center of mass motion and change in the rotational motion. This means that simulation of even
complex bodies is relatively simple, and thus this method has become popular in the computer simulation field.

Given the forces acting on the body, the motion can be determined using ?? ??for
translational motion, and a similar relation for rotational motion .

The rigid body motion model has traditionally been applied in range analysis in CAD and for computer animation where deformation is not required. If the deformation is not negligible, then the approximation does not hold, and we need to start over and come up with some other model.

There exists many different models, but the two models which have emerged to
become the most widely used in practice are: mass-spring models and statics models solved using the Finite Element Method (FEM).

Subject Name STRENGTH OF MATERIALS
Subject Code CE6306
Regulation 2013
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CE6306 Notes Click Here to download

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CE6704 ESTIMATION AND QUANTITY SURVEYING Question Bank Regulation 2013 Anna University

CE6704-ESTIMATION-AND-QUANTITY-SURVEYING-Question-Bank-Regulation-2013-Anna-University

CE6704 ESTIMATION AND QUANTITY SURVEYING Question Bank

CE6704 ESTIMATION AND QUANTITY SURVEYING Question Bank Regulation 2013 Anna University free download. CE6704 Question Bank free pdf download.

Sample CE6704 ESTIMATION AND QUANTITY SURVEYING Question Bank:

1. What are methods to be adopted for volume calculating?

2. Define analysis of rates.

3. Define a tender.

4. Define contract.

5. What are the types of culvert?

6. What are the methods of estimate?

(CE6704 ESTIMATION AND QUANTITY SURVEYING Question Bank)

7. What are the types of estimate?

8. Briefly explain about preliminary Estimate.

9. Estimate the quantities of brickwork and plastering required in a wall 4m long, 3m high and 30 cm thick. Calculate also the cost if the rate of brickwork is Rs.32.00 per cu.m and of plastering is Rs. 8.50 per sq.m

10. Define detailed estimate

11. Define Abstract estimate

12. Define quantity surveyor

13. Write the duties of quantity surveyor.

14. Write the essential qualities of a good surveyor.

15. What are the main components of culvert?

(CE6704 ESTIMATION AND QUANTITY SURVEYING Question Bank)

16. What are factors to be considered in design of septic tank?

17. Define lead.

18. Define lift.

19. The actual expenditure incurred in the construction of a school building which have a total length of main walls 140m is Rs.4.97lakhs. Estimate the approximate cost of a similar school
building which will have 180m length of main walls.

20. Write the formula for Mid ordinate rule and Prismoidal formula Rule.

21. Define estimate.

22. Write the recommendation for degree of accuracy in measurements.

23. Briefly explain about revised estimate

(CE6704 ESTIMATION AND QUANTITY SURVEYING Question Bank)

24. Calculate the quality of brickwork in an arch over a 1.80m span opening. The arch is 40cm. thick and the breath of a wall is 40 cm.

25. Define Floor area

26. Define Carpet area

27. Define Plinth area

28. What are the methods of taking out estimates?

29. Briefly explain about Out to Out and in to in method.

30. Briefly explain about bay method.

(CE6704 ESTIMATION AND QUANTITY SURVEYING Question Bank)

Subject Name ESTIMATION AND QUANTITY SURVEYING
Subject Code CE6704
Regulation 2013
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