ME2304 Engineering Metrology and Measurement B.E Question Bank : valliammai.co.in

Name of the College : Valliammai Engineering College
Subject : Engineering Metrology and Measurement
Subject Code : ME2304
Website : valliammai.co.in
Document Type : Question Bank
Department : Mechanical Engineering
Semester : V
Degree : B.E

Question Bank : https://www.pdfquestion.in/uploads/valliammai.co.in/2837-ME2304-Engineering%20Metrology%20and%20Measurement.pdf

Engineering Metrology & Measurement Question Paper

VALLIAMMAI ENGINEERING COLLEGE
SRM NAGAR KATTANKULATHUR
DEPARTMENT OF MECHANICAL ENGINEERING
ME2304 ENGINEERING METROLOGY AND MEASUREMENT
QUESTION BANK

Related : Valliammai Engineering College ME2305 Applied Hydraulics and Pneumatics B.E Question Bank : www.pdfquestion.in/2838.html

UNIT – I

CONCEPT OF MEASUREMENT
PART-A (2 MARKS)
1. What are the uses of measurement?
2. What is generalized measurement system?
3. What are the basic components of a measuring system?
4. Distinguish between Line standard and End standard.
5. Define the term Sensitivity of an instrument.
6. What is the relationship between sensitivity and range?
7. Differentiate accuracy and Uncertainty with example.
8. Differentiate between precision and accuracy.
9. Define the term reliability.
10. Give any four methods of measurement.

11. Give classification of measuring instruments.
12. Define Span.
13. Distinguish between repeatability and reproducibility.
14. Define interchangeability.
15. Define error.
16. Distinguish between static and random error?
17. What are the sources of error?
18. Write short note on “Systematic errors”.
19. What are the factors affecting the accuracy of the measuring system?
20. Write short notes on the classification of error

PART-B (16 MARKS)
1. Explain the need for measurement
2. Differentiate between precision and accuracy with suitable example.
3. Write short notes on i)repeatability ii)Accuracy iii)Sensitivity iv)Uncertainty
4. Explain in detail the basic element of the accuracy of measuring systems.
5. State the requirements for an instrument to measure accurately.
6. What are the requirements of an inspection tool?
7. Draw the block diagram of a generalized measurement system and explain the various stages with an example.
8. What are the various possible sources of errors in measurements? What do you understand by systematic error and random errors?
9. Explain in detail various types of errors that may arise in engineering measurements.
10. Discuss on geometric and dimensional toleranceing with suitable examples.

UNIT – II

LINEAR AND ANGULAR MEASUREMENT
PART-A (2 MARKS)
1. List any four linear measuring instruments.
2. Give the advantages of digital vernier caliper.
3. What are the various types of linear measuring instruments?
4. List the various linear measurements?
5. List out any four angular measuring instrument used in metrology.
6. Mention any four precautions to be taken while using slip gauges.
7. What are the chances of error in using sine bars?
8. Why is sine bar not suitable for measuring angle above 45°?
9. What are the limitations of sine bar?
10. What are constructional requirements of a good sine bar?
11. State the requirement of accuracy in the construction of a sine bar.
12. What is meant by wringing of slip gauges?
13. Name any two materials commonly used for gauges.
14. What are the merits of mechanical comparators?
15. What is comparator? How they are classified?
16. What are limit gauges?
17. State the advantages and disadvantages of sigma comparators.
18. List the various parts of an optical comparator.
19. What are the disadvantages of electrical and electronic comparator?
20. Classify the comparator according to the principles used for obtaining magnification.

PART-B (16 MARKS)
1. Explain with a neat sketch how a Vernier caliper is used for linear measurement.
2. Sketch and explain the function of optical protractor with vernier.
3. Explain with a neat sketch the construction and of working Sigma compactors.
4. Describe the precautionary measures to be taken at various stages of using slip gauges.
5. With a neat sketch explain the construction and working principle of Solex pneumatic comparator.
6. Explain mathematically why error in sine bar increases when the angle being measured exceeds 45°.
7. Describe the flatness testing method by using Interferometery applied.
8. Explain the working method of mechanical optical comparators with sketch.
9. Explain with a neat sketch, the construction and working of a Tool Maker’s Microscope.
10. What is the principle of Angle dekkor? How is it used for the measurement of angles?