ENGINEERING METROLOGY AND MEASUREMENTS

         Reg. No. :

B.E./B.TECH.DEGREE FIRST UNIT EXAMINATIONS, JULY – 2012

REGULATIONS 2008

FIFTH SEMESTER

ME54 – ENGINEERING METROLOGY AND MEASUREMENTS

MECHANICAL ENGINEERING

Time: Two Hours                                  Date:  06.07.2012                              Maximum: 50 marks

ANSWER ALL QUESTIONS

PART – A (7 x 2 = 14 marks)

1.      What is measurement and give its types?

2.      Distinguish between line standard and end standard.

3.      What is the relationship between sensitivity and range?

4.      Distinguish between tolerance and clearance.

5.      Distinguish between precision and accuracy.

6.      Define repeatability and reproducability.

7.   What is reliability and hysteresis?

PART – B (3 x 12 = 36 marks)

      8. Explain generalized measurement system. 

      9. Explain the different types of measuring methods.

      10. Explain the types of errors.