B.TECH - Semester 6 metrology and instrumentation Question Paper 2020 (sep)
Practice authentic previous year university questions for better exam preparation.
Sample Questions
- Differentiate between accuracy and precision.
- State the principle on which micrometers are designed?
- Define fits and explain in brief the types of fits.
- Differentiate between gauges and comparators.
- Describe optical flats along with their types.
- State the advantages and possible errors in a CMM.
- What is roughness, wariness, lay and sampling length with respect to surface finish?
- Discuss the types of displacement measurement.
- How does a foil strain gauge work?
- What are the advantages of LVDT? ( $\mathbf{1 0} \boldsymbol{\times} \mathbf{4} \boldsymbol{=} \mathbf{4 0}$ Marks) P.T.O. Answer any one full questions from each Module.
- (a) State and explain Taylor's principle of limit gauge design.
- (b) Describe the principle of an angle and mention its various uses.
- (a) Distinguish between line standards' and end standards'. How are end standards derived from line standards?
- (b) Enumerate the types of plug gauges and draw neat sketches of any three of them by stating their applications.
- (a) Describe the working principle, construction and advantages of any one mechanical comparator.
- (b) Explain the principle of measurement by light wave interference method.
- (a) Sketch and explain the working of Autocollimator.
- (b) Explain the method of finding CLA index using a magnified graphical record of surface texture.
- (a) Name the transducers used for measurement of liner displacement. Explain any one of them with it advantages and limitations.
- (b) Describe with a neat sketch the construction and working of a strain gauge torque meter.
- (a) Differentiate between static and dynamic measurement. Explain the static characteristic of a measuring system.
- (b) Explain the working of strain gauge load cell. ( $\mathbf{3} \boldsymbol{\times} \mathbf{2 0} \boldsymbol{=} \mathbf{6 0}$ Marks)