ELECTRONIC MEASUREMENTS & INSTRUMENTATION PAPER

DOWNLOAD ELECTRONICS ENGINEERING PREVIOUS YEARS QUESTION PAPERS B.TECH PTU

ELECTRONIC MEASUREMENTS & INSTRUMENTATION (New) EC 230 3rd Sem May 2k5

Note: Section A is compulsory. Attempt any Four questions from Section B and two from Section C

1.

1. Distinguish between an analog and digital multimeter.
2. What is harmonic distortion?
3. Distinguish between current and potential transformers.
4. What is fourteen segment display?
5. Define a wave analyzer.
6. Where is LCR- meter used?
7. How is inductance measured?
8. What is a special purpose oscilloscope?
9. What are strip chart recorders?
10. What is phase angle error?

Section B Marks 5 each

2. Discuss the construction and working of a signal generator.

3. Explain the Instrument Transformers.

4. Describe the construction and working of LVDT.

5. Discuss piezo-electric crystals and photoelectric transducers.

6. Discuss the concept of telemetry.

Section C Marks 10 each

7. Describe the implementation stages in a Data organization system.

8. Explain the construction and working of a Nixie-tube.

9. Write short notes on the following:
(a) Thermocouple
(b) Maxwell’s bridge.