1) Describe the following terms.
a) Repeatability
b) Accuracy
c) Precision
2) Explain briefly about the classification of dynamic errors.
3) Write short notes on the following by giving an example in each case
a) Taylor’s principle
b) Cosine error
c) Principle of alignment.
4) Explain the following given terms in connection with the pneumatic comparators:
a) Overall magnification
b) Measuring head sensitivity
c) Pneumatic sensitivity
d) Indicator sensitivity
5) Explain two different methods of testing flatness of a surface, stating advantages and limitations of each.
6) Specify the difference between the primary texture and secondary texture? Explain an instrument which can be used to obtain a graphical record of primary texture.
7) Explain briefly regarding the Laser Interferometers for flatness measurement.
8) Describe moire fringes and how these are utilized for accurate length measurement in details? Explain how these can be used for angular displacement?
9) a) Describe what are all the significant characteristics of the co-ordinate measuring machines (CMM).
b) Explain several kinds of accuracy specifications for CMM.
10) Describe the working principle of co-ordinate measuring machines in detail.