ME8501- Metrology and Measurments - Unit-3 Two marks

Subject Name: Metrology and Measurments

Subject Code: ME8501

B.E. Mechanical Engineering - semester 05

Anna University Regulation 2017 Mechanical 5th sem ME8501(Metrology and Measurments) 2 marks for 3rd unit is provided below. ME8501 all units 2 marks, Metrology and Measurments all units notes , syllabus are listed down for students to utilize it for scoring maximum marks with our study materials.

1.Why is laser preferred in engineering metrology?

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2.list out the different methods of dimensional measurements using laser.

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3.what are the characteristics of laser?

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4.What is crust and trough?

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5.What is wavelength?

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6.why is monochromatic light used in interferometry instead of white light?

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7.State the principle of interferometry.

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8.What is the advantage of using laser beam interferometry?

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9.Write the application of laser interferometry

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10.What is interferometer? Name the different types of interferometer.

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11.What do you mean by alignment test on machine tools?

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12. List the various geometrical checks made on machine tools.

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13.Distinguish between geometrical test and practical test on a machine tool.

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14.Differentiate between straightness and flatness.

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15.State any two applications of laser in machine tool metrology.

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16.What is CMM?

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17.Mention any four types of CMM.

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18.Define straightness of axes.

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19.Define position accuracy.

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20.Define axial slip of machine tool.

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21.Define axial length measuring accuracy and volumetric length measuring accuracy.

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22.What are the benefits of using CMM?

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23.Give the advantages of coordinate measuring machines.

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24.Mention the disadvantages of CMM.

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25.Mention the application of CMM.

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26.State the applications of CMM in Reverse Engineering.

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27.Distinguish between coordinate and conventional metrology.

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28.How are past process metrology incorporated CNC machines?

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29.List the equipments needed for computer aided inspection.

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30.What are the advantages of computer aided inspection?

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31.List any four applications of computer aided impection.

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32.What are the steps involved in producing software for engineering metrology?

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33.What is CNC CMM?

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34.Write brief note about (i) Co-ordinate measuring machine equipped with a laser probe (ii) Virtual measuring system.

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35.Define machine vision.

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36.What are the four basic types of machine vision system?

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37.What do you mean by 'Gray Scale' analysis?

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38.Describe the features of a flexible inspection system.

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39.Explain briefly the three important fields of machine vision system.

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40.Write the advantages of machine vision system.

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41.Explain the application of machine vision system.

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42.Name the types of accuracy specifications used for CMM.

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43.Explain the types of co-ordinate measuring machine.

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44.List any four possible causes of error in CMM.

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45.What is laser micrometer?

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46.What are the advantages of laser interferometer?

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47.What is the purpose of retro-reflectors in laser interferometers?

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48.Name the comman source of light used for interferometer.

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