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
File	PDF

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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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CE6704 ESTIMATION AND QUANTITY SURVEYING Important Questions

CE6704 ESTIMATION AND QUANTITY SURVEYING Important Questions Regulation 2013 Anna University free download. CE6704 Important Questions free pdf download.

Sample CE6704 ESTIMATION AND QUANTITY SURVEYING Important Questions:

1. What are the difference between preliminary estimates, detailed estimates, supplementary estimates and revised estimates ?

2. What do you understand by
a. Overhead cost
b. Analysis of rates
c. Contingencies and supervision charges
d. Standard measurements book
e. Prime cost
f. Provision of tools and pants and work charged establishment in an estimate.
g. Lump-sum items

3. Distinguish clearly between
a. Revised estimate and supplementary estimate
b. Administrative approval and technical sanction
c. Plinth area estimate and cube rate estimate
d. Contingencies and supervision charges
e. Preliminary estimate and detailed estimate

(ESTIMATION AND QUANTITY SURVEYING Important Questions)

4. Explain the following
a. Schedule of rates
b. Cube rate estimate
c. Preliminary estimate

d. Provisional items
e. Carpet area
f. Revised estimate
g. Contingencies
h. Book value
i. Prime cost
j. Floor area

5. Discuss the merits and demerits of cubic meter method of approximate estimate.

6. Explain the following terms.
a. Record drawings
b. Standard measurement book

(ESTIMATION AND QUANTITY SURVEYING Important Questions)

7. What conditions are to be fulfilled before taking up work in hand ?

8. What do you understand by detailed and general specification ?

9. When and where are the following estimates used
a. Annual repair estimate
b. Revised estimate
c. Supplementary estimate

10. What is mint by preliminary estimate?

(ESTIMATION AND QUANTITY SURVEYING Important Questions)

11. What documents should be supplied along with preliminary estimate.

12. What are different types of Estimates?

13. Which of the methods can gives us the exact cost and why?

14. What are the various sub-heads of the report of an estimate of a building?

15. Explain the term provisional items.

16. What are different types of Estimates? How do they differ from each other?

(ESTIMATION AND QUANTITY SURVEYING Important Questions)

Subject Name	ESTIMATION AND QUANTITY SURVEYING
Subject Code	CE6704
Regulation	2013
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GE6252 Important questions BASIC ELECTRICAL AND ELECTRONICS ENGINEERING BEEE

GE6252 important questions BEEE important questions Regulation 2013 Anna University free download. BASIC ELECTRICAL AND ELECTRONICS ENGINEERING BEEE important questions pdf free download.

Sample GE6252 important questions BEEE BASIC ELECTRICAL AND ELECTRONICS ENGINEERING :

1. Explain star and delta connection of impedances.

2. State Superposition theorem.

3. State Thevenin‘s theorem.

4. State Norton‘s theorem.

5. State Maximum Power transfer theorem

6. State and explain KCL.

7. State and explain KVL.

8. Explain duality.

9. Explain about the characteristics of a transistor?

10. What is the necessary of the coupling capacitor?

(BASIC ELECTRICAL AND ELECTRONICS ENGINEERING BEEE GE6252 important questions)

11. What is op-amp?

12. Define slew rate.

13. Convert decimal 9 to binary

14. State Demorgan theorem

15. What is a Demulti plexer?

16. What is decoder?

17. How may FFS are required to construct a Decade counter?

18. What is race around condition?

19. What is a volatile memory?

20. What is meant by quantization?

(BASIC ELECTRICAL AND ELECTRONICS ENGINEERING BEEE GE6252 important questions)

21. Why do we choose q point at the center of the loadline?

22. Name the two techniques used in the stability of the q point ,explain.

23. Why is the operating point selected at the Centre of the active region?

24. List out the different types of biasing.

25. What do you meant by thermal runway?

26.Why is the transistor called a current controlled device?

27. Define current amplification factor?

28. What are the requirements for biasing circuits?

29. When does a transistor act as a switch?

30. What is biasing?

31. What is operating point?

32. What is stability factor?

33. What is d.c load line?

34. What are the advantages of fixed bias circuit?

35. Explain about the various regions in a transistor?

36. What is reverse saturation current?

Semester	2
Subject	BASIC ELECTRICAL AND ELECTRONICS ENGINEERING
Subject Code	GE6252 – BEEE
Regulation	2013

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HS6251 Important Questions TECHNICAL ENGLISH 2 Anna University 2013 regulation

HS6251 TECHNICAL ENGLISH 2 Important Questions Anna University 2013 regulation free download. TECHNICAL ENGLISH 2 HS6251 Important Questions pdf free download.

Sample HS6251 TECHNICAL ENGLISH 2 Important Questions:

(1) There are two types of diabetes, insulin-dependent and non-insulin-dependent. Between 90–95% of the estimated 13–14 million people in the United States with diabetes have non-insulin-dependent, or Type II, diabetes. Because this form of diabetes usually begins in adults over the age of 40 and is most common after the age of 55, it used to be called adult-onset diabetes. Its symptoms often develop gradually and are hard to identify at first; therefore, nearly half of all people with diabetes do not know they have it. For instance, someone who has developed Type II diabetes may feel tired or ill without knowing why. This can be particularly dangerous because untreated diabetes can cause damage to the heart, blood vessels, eyes, kidneys, and nerves. While the causes, short-term effects, and treatments of the two types of diabetes differ, both types can cause the same long-term health problems.

HS6251 TECHNICAL ENGLISH 2 Important questions

(2) Most importantly, both types affect the body’s ability to use digested food for energy. Diabetes does not interfere with digestion, but it does prevent the body from using an important product of digestion, glucose (commonly known as sugar), for energy. After a meal, the normal digestive system breaks some food down into glucose. The blood carries the glucose or sugar throughout the body, causing blood glucose levels to rise. In response to this rise, the hormone insulin is released into the bloodstream and signals the body tissues to metabolize or burn the glucose for fuel, which causes blood glucose levels to return to normal. The glucose that the body does not use right away is stored in the liver, muscle, or fat.

HS6251 TECHNICAL ENGLISH 2 Important questions

(3) In both types of diabetes, however, this normal process malfunctions. A gland called the pancreas, found just behind the stomach, makes insulin. In people with insulin-dependent diabetes, the pancreas does not produce insulin at all. This condition usually begins in childhood and is known as Type I (formerly called juvenile-onset) diabetes. These patients must have daily insulin injections to survive. People with non-insulin-dependent diabetes usually produce some insulin in their pancreas, but their bodies’ tissues do not respond well to the insulin signal and, therefore, do not metabolize the glucose properly, a condition known as insulin resistance.

HS6251 TECHNICAL ENGLISH 2 Important questions

(4) Insulin resistance is an important factor in non-insulin-dependent diabetes, and scientists are searching for the causes of insulin resistance. They have identified two possibilities. The first is that there could be a defect in the insulin receptors on cells. Like an appliance that needs to be plugged into an electrical outlet, insulin has to bind to a receptor in
order to function. Several things can go wrong with receptors. For example, there may not be enough receptors to which insulin may bind, or a defect in the receptors may prevent insulin from binding. The second possible cause of insulin resistance is that, although insulin may bind to the receptors, the cells do not read the signal to metabolize the glucose. Scientists continue to
study these cells to see why this might happen.

HS6251 TECHNICAL ENGLISH 2 Important questions

(5) There’s no cure for diabetes yet. However, there are ways to alleviate its symptoms. In 1986, a National Institute of Health panel of experts recommended that the best treatment for non-insulin-dependent diabetes is a diet that helps one maintain a normal weight and pays particular attention to a proper balance of the different food groups. Many experts, including
those in the American Diabetes Association, recommend that 50–60% of daily calories come from carbohydrates, 12–20% from protein, and no more than 30% from fat. Foods that are rich in carbohydrates, like breads, cereals, fruits, and vegetables, break down into glucose during
digestion, causing blood glucose to rise. Additionally, studies have shown that cooked foods raise blood glucose higher than raw, unpeeled foods. A doctor or nutritionist should always be consulted for more of this kind of information and for help in planning a diet to offset the effects of this form of diabetes.

(HS6251 TECHNICAL ENGLISH 2 Important questions)

Semester	2
Regulation	2013
Subject name	TECHNICAL ENGLISH 2
Subject Code	HS6251
File type	PDF

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WATER RESOURCES AND IRRIGATION ENGINEERING Important questions CE6703

CE6703 WATER RESOURCES AND IRRIGATION ENGINEERING Important questions free pdf download Regulation 2013 Anna University. CE6703 Important questions free download.

Sample CE6703 WATER RESOURCES AND IRRIGATION ENGINEERING Important questions:

1. Write short notes on Global water resources survey?

The world total water resources potential are estimated to be 1.37X108 million ha-m. Of these global water resources about 97.2% is salt water, mainly in oceans and only 2.8% is available as fresh water at any time on planet earth

2. Mention about the ground water potential of the planet earth?
Saline Water = 97.2%
Fresh Water = 2.8%

Out of these 2.8% ,about 2.2% is available as surface water and 0.6% as ground water. (CE6703 WATER RESOURCES AND IRRIGATION ENGINEERING Important questions)

Even out of this 2.2% of surface water, 2.15% fresh water available in glaciers and icecapsand only of the order of 0.001% is available in lakes and reservoirs, 0.0001% in streams; the remaining in other forms 0.001% as water vapor in atmosphere.

Out of 0.6% of stored ground water, only about 0.3% can be economically extracted with the present drilling technology, the remaining being unavailable as it is situated below a depth of 800 m.

3. Write short notes on India’s water resources potential?

(CE6703 WATER RESOURCES AND IRRIGATION ENGINEERING Important questions)
India’s with a geographical area of nearly 3.3 million square kilometers experiences extremes of climate.

Normal annual rainfall varies from 100 mm in Western Rajasthan to over 1100 mm at Cherabunji at Megalaya. Variability of rainfall from season to season is also very high. The average annual rainfall over the country is of the order of 1170 mm. (CE6703 WATER RESOURCES AND IRRIGATION ENGINEERING Important questions)

The average flow in the river systems of the country has been estimated to be 1880 km³, but over 90% of the annual runoff in peninsular rivers and over 80% of the annual runoff in Himalayan rivers occur during the four monsoon months of June to September.

Subject Name	WATER RESOURCES AND IRRIGATION ENGINEERING
Subject Code	CE6703
Regulation	2013
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CE6702 Prestressed Concrete Structures Important questions  

Prestressed Concrete Structures Important questions CE6702 free download Regulation 2013 Anna University. CE6702 Important questions free pdf download Regulation 2013.

Sample CE6702 Prestressed Concrete Structures Important questions:

1. What are the different types of flexural failure modes observed in PSC beams?
 Failure of under reinforced sections
 Failure of over reinforced sections
 Failure of sections by other modes
 Fracture of steel in tension

2. What is strain compatibility method? (CE6702 Prestressed Concrete Structures Important questions)
The method of estimating the flexural strength of prestressed concrete sections is based on the compatibility of strains and equilibrium of forces acting on the section at the stage of failure.

3. What are the assumptions made for strain compatibility method?
 The stress distribution in the compression zone of concrete can be defined by means of coefficients applied to the characteristic compressive strength and the average compressive stress and the position of the centre of compression can be assessed.
 Plane sections normal to the axis remain plane after bending.
 The resistance of concrete in tension is neglected.
 The maximum compressive strain in concrete at failure reaches a particular value.

4. What are the basic assumptions for calculating flexural stressed?
 Plane section remains plane after bending.
 Perfect bond between concrete and prestressing steel for bonded tendons.
 The prestressed concrete section will also behave like a reinforced concrete section only after cracking.
 The tensile stressed are resisted by the steel components namely untensioned reinforcement if and the high tensile steel.

5. List out five factors which influence the ultimate flexural strength of PSC beams. (CE6702 Prestressed Concrete Structures Important questions)
 The failure mainly a flexural failure, which no effect of shear, bond or anchorage, which might decrease the strength of the section.
 The beams are bonded. Unbounded beams have different ultimate strength than for bonded beams.
 Beams are statically determinate.
 Ultimate loads, obtained are the result of short time static loading. No effect of impact fatigue or long time loading is considered.

Subject Name	Prestressed Concrete Structures
Subject Code	CE6702
Regulation	2013
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 Structural Dynamics and Earthquake Engineering Important Questions CE6701

Structural Dynamics and Earthquake Engineering Important Questions CE6701 free download Regulation 2013 Anna University. CE6701 Important Questions free pdf download.

Sample CE6701 Structural Dynamics and Earthquake Engineering Important Questions:

1. What is mean by Vibration?
Any motion which repeats itself after an interval of time is called vibration or oscillation.

2. What is the formula for free vibration response?
The corresponding equation under free vibrations can be obtained by substituting the right hand side of equation as zero. This gives
mu + Cu +Ku = 0

3. What are the effects of vibration? (CE6701 Structural Dynamics and Earthquake Engineering Important Questions)
i. Effect on Human Sensitivity.
ii. Effect on Structural Damage.

4. What is mean by theory of vibration?
Vibration is the motion of a particle or a body or a system of concentrated bodies having been displaced form a position of equilibrium, appearing as an oscillation. Vibration was recognized in mechanical systems first and hence the study of vibrations fell into the heading “Mechanical Vibrations” as early about 4700 years ago.

5. Define damping.
Damping is a measure of energy dissipation in a vibrating system. The dissipating mechanism may be of the frictional form or viscous form. In the former case, it is called dry friction or column damping and in the latter case it is called viscous damping. Damping in a structural system generally assumed to be of viscous type for mathematical convenience. Viscous damped force (Fd) is proportional to the velocity (?̇) of a vibrating body. The constant of proportionality is called the damping constant (C). Its units are NS/m.

6. What do you mean by Dynamic Response? (CE6701 Structural Dynamics and Earthquake Engineering Important Questions)
The Dynamic may be defined simply as time varying. Dynamic load is therefore any load which varies in its magnitude, direction or both, with time. The structural response (i.e., resulting displacements and
stresses) to a dynamic load is also time varying or dynamic in nature. Hence it is called dynamic response.

Subject Name	STRUCTURAL DYNAMICS AND EARTHQUAKE ENGINEERING
Subject Code	CE6701
Regulation	2013
File	PDF

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CONSTRUCTION TECHNIQUES EQUIPMENT AND PRACTICE Important questions CE6506

CONSTRUCTION TECHNIQUES EQUIPMENT AND PRACTICE Important questions CE6506 Regulation 2013 Anna University free download. CE6506 Important questions free pdf download.

Sample CONSTRUCTION TECHNIQUES, EQUIPMENT AND PRACTICE Important questions:

UNIT 1

Part – A
1. List the various methods of mix design. (CONSTRUCTION TECHNIQUES EQUIPMENT AND PRACTICE Important questions CE6506)

2. Name some methods of non-destructive testing of concrete.

3. What is the use of chemicals as retarders in concrete?

4. What are the tests available for fresh concrete as per Indian Code of Standards?

5. What does the grade of cement denote?

6. What are the raw materials used in the manufacture of cement?

7. List the various processes involved in the manufacture of concrete.

8. Define hydration of cement.

9. Write the ASTM classification of cement.

10. Differentiate dry and wet process of manufacturing of cement.

11. Define batching. What are the methods of batching?

12. Write notes on steam curing. (CONSTRUCTION TECHNIQUES EQUIPMENT AND PRACTICE Important questions CE6506)

13. Define non destructive testing.

14. Write the requirement of supervision needed while concreting.

15. Write the uses of Rapid Hardening cement.

16. What is Sulphate Resisting cement.

17. Mention the grades of cement.

18. What are the equipments needed for transporting the concrete?

19. Define RMC.

20. Define Hot weather concreting.

Part – B (CONSTRUCTION TECHNIQUES EQUIPMENT AND PRACTICE Important questions CE6506)

1. Explain the various steps involved in the manufacture of concrete.

2. Explain any two tests for testing of fresh concrete.

3. What is meant by Non destructive Testing? Explain any one method in detail.

4. What are the factors to be considered for mix design? Explain the step by step procedure for IS method?

5. What are concrete chemicals? Explain in detail and discuss their uses.

6. Describe the processes in the manufacture of Ordinary Portland Cement.

7. Explain ACI method of mix design.

8. Explain the procedure for compression test on concrete.

9. Explain in detail the differernt types of curing of concrete.

10. Write in detail about RMC?

Subject Name	CONSTRUCTION TECHNIQUES EQUIPMENT AND PRACTICE
Subject Code	CE6506
Regulation	2013
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DESIGN OF REINFORCED CONCRETE ELEMENTS Important questions CE6505

DESIGN OF REINFORCED CONCRETE ELEMENTS Important questions free pdf download. CE6505 Important questions DESIGN OF REINFORCED CONCRETE ELEMENTS Regulation 2013 Anna University free download.

Sample DESIGN OF REINFORCED CONCRETE ELEMENTS Important questions :

PART A (DESIGN OF REINFORCED CONCRETE ELEMENTS Important questions CE6505)

1. Calculate the design strength for M 30 grade concrete and Fe 415 grade steel?

2. What is the important principle of ultimate load method?

3. Write the classification of structures according to crack width?

4. How the limit state method differs from working stress method?

5. Distinguish between characteristic load and factored load?

6. What is the importance of flanged beams? (DESIGN OF REINFORCED CONCRETE ELEMENTS Important questions CE6505)

7. What is the main advantage of limit state of collapse?

8. How is the safety margins assigned in Elastic method and ultimate load method?

9. Calculate the limiting value of tensile stress in a cracked section of a flexural member made with M25 grade of concrete.

10. What are the advantages of limit state method overworking stress and ultimate load methods?

11. How do you find the moment of resistance of a beam section??

12. What is modular ratio? Determine the modular ratio at M20 & M25grade concrete?

13. What do you understand by limit state of collapse?

PART B (DESIGN OF REINFORCED CONCRETE ELEMENTS Important questions CE6505)

1. a) Explain clearly under-reinforced, balanced and over-reinforced sections?
b) What do you mean by uncracked and cracked sections and how will you determine the moment of resistance of these section?

2. A R.C. beam of rectangular cross section is required to resist a bending moment of 120 kN-m at Service State. Design the suitable dimensions of the cross section and reinforcement for the balanced sections. Take the effective depth as twice the width. Assume M 20 grade concrete and Fe 415 grade steel. Adopt working stress method?

3. Explain the concept of elastic method? (DESIGN OF REINFORCED CONCRETE ELEMENTS Important questions CE6505)

4. A R.C. beam of rectangular cross section is required to resist a bending moment of 120 kN-m at Service State. Design the suitable dimensions of the cross section and reinforcement for the balanced sections. Take the effective depth as twice the width. Assume M 20 grade concrete and Fe 415 grade steel. Adopt working stress method?

5. A reinforcement concrete beam section of size 300×700 mm effective depth is reinforced with 3 bars of 20 mm diameter in tension. Determine the moment of resistance and the maximum stresses induced in the materials using working stress method?

Subject Name	Design of Reinforced Concrete Elements
Subject Code	CE6505
Regulation	2013
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