PTU B.Tech Mechanical 4th Semester Paper 2012 Mechanical Measurement and Metrology Punjab Technical University Exam 2012 4th Semester Mechanical Measurement and Metrology Test September and March Question Paper Free Download Punjab Technical University Mechanical Measurement and Metrology Question Papers 2012 PTU B.Tech Mechanical 4th Sem Question Paper 2012 for all students Previous Year old Past Papers of PTU B.Tech Mechanical 4th Semester Paper 2012 Mechanical Measurement and Metrology Punjab Technical University September 2012 and March 2012 Exam B.Tech Mechanical 4th Semester Sample Model Question Papers Free Download PDF
Mechanical Measurement and Metrology
a) Explain primary, secondary and tertiary measurements with sketches.
b) Explain clearly the following: Range and span ; accuracy and precision, calibration and sensitivity.
c) What do you mean by error in measurements? Discuss the sources of error.
d) What is the purpose of a comparator? What are different types of comparators?
e) Explain the working principle of Piezo-electric transducers. Also mention their advantages.
f) Write a brief note on flow visualization techniques.
g) What are theimistors? Differentiate between metal resistance thermometers and thermistors.
h) What is the purpose of a Proving ring? Draw a neat sketch of the ring.
i) Suggest some methods for linear measurements vith brief vorking principle.
j )raw a neat sketch of’ hvdraul ic load cell.
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PTU B.Tech Mechanical 4th Sem Paper 2012 Mechanical Measurement and Metrology