MS6511 Metrology and Quality Assurance
Third year, Department of Mechanical Sandwich Engineering
First and second Units Questions.

Answer ALL questions
PART A – (5×2=10 marks)
1.      What is meant by metrology?
2.      What is Measurand?
3.      What is the difference between accuracy and repeatability?
4.      State Abbe’s Principal of alignment?
5.      Explain Abbe’s error and Abbe’s offset?
6.      What is Bias?
7.      What is optical flat?
8.      What are the uses of vernier calipers?
9.      Write 5 needs of measurement?
10.  Draw a wave diagram of a in phase light wave combination?
PART B
1.      Explain flatness test by interferometry with neat sketch?      (16 marks)

2.      Discuss about BIS and its applications?                                 (16 marks)

3.      Write about ISO 000 and its elements?                                  (16 marks)

4.      a. What are the types of comparators?                                    (8 marks)
b. What is surface plate and its uses?                                     (8 marks)
     5.  a.What is hologram?                                                                 (8 marks)
b. Explain different types of projectors?                                (8 marks)