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# EE6404 Question Bank Measurements and Instrumentation

EE6404 Question Bank Measurements and Instrumentation Regulation 2013 Anna University.

## Sample EE6404 Question Bank:

PART – A
1. What are the functional elements of an instrument? (2)

2. What is meant by accuracy of an instrument? (2)

3. Define international standard for ohm? (2)

4. What is primary sensing element? (2)

5. What is calibration? (2)

6. Define the terms precision & sensitivity. (2)

7. What are primary standards? Where are they used? (2)

8. When are static characteristics important? (2)

9. What is standard? What are the different types of standards? (2)

10. Define static error. Distinguish reproducibility and repeatability (2)

11. Distinguish between direct and indirect methods of measurements. (2)

12. With one example explain “Instrumental Errors”. (2)

13. Name some static and dynamic characteristics. (2)

14. State the difference between accuracy and precision of a measurement. (2)

15. What are primary and secondary measurements? (2)

16. What are the functions of instruments and measurement systems? (2)

17. What is an error? How it is classified? (2)

18. Classify the standards of measurement? (2)

19. Define standard deviation and average deviation. (2)

20. What are the sources of error? (2)

Part B

1. Describe the functional elements of an instrument with its block diagram. And illustrate them with pressure gauge, pressure thermometer and D’Arsonval galvanometer. (16)

2. What are the three categories of systematic errors in the instrument and explain in detail.
(16)

3. (i) What are the basic blocks of a generalized instrumentation system. Draw the various
blocks and explain their functions. (10)

(ii) Explain in detail calibration technique and draw the calibration curve in general. (6)

4. (i) Discuss in detail various types of errors associated in measurement and how these errors can be minimized? (10)

(ii) Define the following terms in the context of normal frequency distribution of data (6)
a) Mean value, b) Deviation, c) Average deviation, d) Variance e) Standard deviation.

5. (i) Define and explain the following static characteristics of an instrument. (8)
a) Accuracy, b) Resolution, c) Sensitivity and d) Linearity

 Subject Name Measurements and Instrumentation Subject Code EE6404 Regulation 2013