15ME33T: Mechanical Measurements Mechanical 3rd Sem Syllabus for Diploma DTE Karnataka C15 Scheme

Mechanical Measurements detail DTE Kar Diploma syllabus for Mechanical Engineering (General) (ME), C15 scheme is extracted from DTE Karnataka official website and presented for diploma students. The course code (15ME33T), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below. The syllabus PDFs can be downloaded from official website.

For all other mechanical 3rd sem syllabus for diploma c15 scheme dte karnataka you can visit Mechanical 3rd Sem Syllabus for Diploma C15 Scheme DTE Karnataka Subjects. The detail syllabus for mechanical measurements is as follows.

Pre-requisites:

Knowledge of basic mathematics and Science. Basic Electrical and Electronics Engineering

Course Objectives:

1. Understand the advances in technology, measurement techniques, types of instrumentation devices, innovations, refinements.
2. To learn various flow measurement techniques.

Note: The theory should be taught in such a manner that students are able to acquire different learning out comes in cognitive, psychomotor and affective domain to demonstrate following course outcomes.

Course Outcomes:

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UNIT I: MEASURING INSTRUMENTS 12Hrs

Measurement-definition-methods of measurement-Significance-Terms applicable to measuring instruments: Precision and Accuracy, Sensitivity and Repeatability, Range, Threshold, Hysteresis, calibration -Errors in Measurements-Systematic and Random error. Measuring instruments- Factors in selecting the measuring instruments -Thread measurements:-Bench micrometer- Thread gauge micrometer- Angle measurements- Bevel protractor, Sine Bar, Gauges: plain plug gauge, snap gauge, ring gauge-.Surface finishMeasurement of surface finish by Talysurf surface roughness tester-Co-ordinating measuring machine.

UNIT II: TRANSDUCERS AND STRAIN GAUGES 10 Hrs

Transducers- concept-Characteristics, Transducers selection factors, classifications of Transducer, actuating mechanisms. Voltage and current generating analog transducers-Types-Piezoelectric transducer. Strain Measurements: Strain gauge, Classification, Berrytype mechanical strain gauge, optical strain gauges, mounting of strain gauges, Strain gauge rosettes-two and three elements, Gauge factor

UNIT III: MEASUREMENT OF FORCE, TORQUE, AND PRESSURE 06Hrs

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UNIT IV: APPLIED MECHANICAL MEASUREMENTS 09Hrs

Speed measurement- Classification of tachometers. Working principle, construction, working of Revolution counters and Eddy current tachometers. Displacement measurement- Working principle, construction, working of Linear variable Differential transformers (LVDT)-Flow measurement- Working principle, construction, working of Rotometers-Temperature measurement. Principle, construction, working of Resistance thermometers and Optical Pyrometer, Thermocouples.

UNIT V: MISCELLANEOUS MEASUREMENTS 06 Hrs

Humidity measurement-construction, working of hair hygrometer-Density measurementMeasurement of density using hydrometer, Liquid level measurement –Measurement of liquid level by using sight glass, Float gauge-Biomedical measurement- construction, working of Sphygmo monometer

UNIT VI: LIMITS,FITS,TOLERENCE & TESTING OF GEOMETRIC DIMENSIONS 09 Hrs

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Text Books:

1. Mechanical Engineering Measurement – Thomas Beckwith, N.Lewis Buck, Roy Marangoni – Narosa Publishing House, Bombay

Reference Books:

1. Mechanical Engineering Measurements – A. K. Sawhney – DhanpatRai& Sons, New Delhi.
2. ” Metrology & Measurement” by Anand K Bewoor,Vinay kulakarni ,Tata McGraw hill New delhi 2009
3. “Principles of Engineering metrology” by Rega Rajendra Jaico publishers-2008
4. “Dimensional Metrology “by Connie Dotson, DELMAR ,cenage learning,2007
5. “Engineering Metrology” by R.K.Jain, Khanna Publishers, 1994

LIST OF SOFTWARES/ LEARNING WEBSITES:

1. http://en.wikipedia.org/wiki/Metrology (metrology).
2. https://www.youtube.com/watch?v=4hlNi0jdoeQ (vernier).
3. https://www.youtube.com/watch?v=FNdkYIVJ3Vc(vernier).
4. https://www.youtube.com/watch?v=O8vMFFYNIfo (micrometer)
5. https://www.youtube.com/watch?v=h98HPVuWjLA (depth micrometer)
6. https://www.youtube.com/watch?v=SmXfGan_NXQ (telescopic gauge)
7. http://www.authorstream.com/Presentation/007sandeepks-1858141-angular-measurment/ (angular measurement).
8. http://askguru.net/t-Angular-Measurement-ppt
9. https://www.youtube.com/watch?v=aBzh6i5fQ70 (surface roughness)
10. https://www.youtube.com/watch?v=S7SXD6sKQ-I(surface roughness)
11. https://www.youtube.com/watch?v=eVpoJzLJa0U(surface roughness)
12. https://www.youtube.com/watch?v=3Od7vnoMwGg(surface roughness)
13. https://www.youtube.com/watch?v=XnLiTPGE6pk (three wire thread measurement)
14. https://www.youtube.com/watch?v=Gdvtw0pTAOs (thread pitch).
15. https://www.youtube.com/watch?v=qMgXGedDffw (dial indicator)
16. http://www.authorstream.com/Presentation/donzvasanth-1501139-unit-2-linear-angular-measurement/
17. http://en.wikipedia.org/wiki/List_of_gear_nomenclature#Addendum (gear nomenclature).
18. https://www.google.co.in/search?q=gear+tooth+vernier+caliper&tbm=isch&tbo=u& source=univ&sa=X&ei=MIuEUsqSOsiKrQeywIFQ&ved=0CCgQsAQ&biw=1600& bih=804 (gear tooth vernier).
19. http://www.youtube.com/watch?v=lc4dsNvm2Ks (principle of mech. meas).
20. http://www.youtube.com/watch?v=nv3GuJArjNU (Transducers).
21. http://www.youtube.com/watch?v=iMIzApq1CQ0 (pressure measurement).
22. http://www.youtube.com/watch?v=JKuoQ5FV2c8 (temperature meas).
23. http://www.youtube.com/watch?v=GNOI_7ftbQ0(temperature meas) .
24. http://www.youtube.com/watch?v=7xUdPVpafyI (flow measurement).
25. http://www.ignou.ac.in/upload/Unit-4-62.pdf (limit gauges).
26. http://www.scribd.com/doc/55242715/8/Types-of-limit-gauges
27. http://www.youtube.com/watch?v=v25PCV_IJCw (sensors)
28. http://www.youtube.com/watch?v=QItuf6lNvmI(sensors)
29. http://www.youtube.com/watch?v=pOvTyvBqzgM (displacement sensors)
30. http://www.youtube.com/watch?v=inLkCOwVgyM (force sensors)
31. http://www.youtube.com/watch?v=jxv0ITAr74A(force sensors)
32. http://www.youtube.com/watch?v=0MP_9n08urA(force sensors)
33. http://www.youtube.com/watch?v=zAddvPHfKnw(force sensors)
34. http://www.youtube.com/watch?v=_fQSMVf3hdM (calibration).
35. http://www.youtube.com/watch?v=HwSxBRaxn_4(calibration).
36. http://www.youtube.com/watch?v=ZymDMUuVuyY (geometrical Tol)
37. http://www.gobookee.org/measurement-of-geometric-tolerances-in-manufacturing/
38. http://www.me.metu.edu.tr/courses/me410/exp1/410exp1theory.pdf
39. http://www.youtube.com/watch?v=5eaSkU6Ecik (flatness measurement)
40. http://www.youtube.com/watch?v=1tBnpzyhVXU (measuring straightness)
41. http://www.youtube.com/watch?v=1JNCe9fwRUw (measuring perpendicularity)
42. http://www.youtube.com/watch?v=eJ8a0k8kQIE( Roundness and cylindricity)

Course Delivery:

• The course will be delivered through lectures and Power point presentations/ Video
• Teachers can prepare or download ppt of different topic’s measuring instruments usage in mechanical engineering application, can prepare alternative slides.

Suggested List of Student Activities:

Note: the following activities or similar activities for assessing CIE (IA) for 5 marks (Any one)

1. Each student should submit any one of the following type activity or any other similar activity related to the course and before take up get it approved from concerned Teacher and HOD.
2. Each student should conduct different activity and no repeating should occur

1. Each student will select and bring at least one mechanical component. Sketch each component. Sketch and label main parts of instruments to be used. Calculate least count of the instrument/s to be used. Measure and record applicable dimensions of each component using suitable instrument
2. Sketch the part and setup, list the instruments used, list the steps followed and record the observations for checking straightness
3. Select appropriate limit gauge for given dimension/part and check the dimension with gauge.

Model Question Paper:

(CIE)

1. Explain Systematic and Random Errors. 4 MARKS
2. Define
1. Sensitivity,
2. Accuracy.
3. Calibration 3 MARKS
3. Draw a neat sketch of Bevel Protractor and labels its parts. OR Explain with neat sketch Taysurf surface roughness tester 7 MARKS
4. Explain with neat sketch measurement of thread by Bench micrometer. 6 MARKS

Model Question Paper:

PART-A 6×5=30 marks

1. Define Measurement and mention its requirements. 05
2. List the advantages of Resistance thermometer. 05
3. List the various types of testing equipment’s used for machine tool 05 alignment test
4. Explain the calibration procedure for measuring instrument 05
5. Explain the mounting of strain gauge. 05
6. Differentiate Resistance thermometer and thermocouple. 05
7. Compare Hole Basis System with Shaft Basis System. 05
8. Explain with a neat sketch the working of Rotameter. 05
9. Explain with a neat sketch Diaphragm type pressure gauge

PART-B

1. List the various factors in selection of measuring instruments. 05
2. Explain with neat sketch measurement of thread by Bench micrometer. 05
1. Explain Strain Gauge Rosettes. 05
2. Sketch the schematic diagram of the following transducer actuating mechanisms.
1. Circular bourdon tube
2. Straight tube.
1. List the advantages of Resistance thermometer. 05
2. Classify the various of tachometers. 05
4. Explain with a neat sketch the working principle Mcloed gauge. 10
1. Explain with a neat sketch Hydrometer. 05
2. Explain with neat sketch the working of Proving ring 05
6. Explain with a neat sketch Hole Basis System and Shaft Basis System. 10
1. Explain Uni-lateral and Bi-lateral tolerance. 05
2. Write short notes on sphygmomanometer. 05
1. Predict the advantages and disadvantages of LVDT. 05
2. Explain with neat sketch progressive plug gauge. 05
9. Sketch a neat block diagram of Optical strain gauge and label its parts. 10
1. Write the classification of Strain gauge. 05
2. Briefly explain the various classification of transducers. 05

For detail syllabus of all other subjects of BE Mechanical, C15 scheme do visit Mechanical 3rd Sem syllabus for C15 scheme.

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