Download JNTUA B.Tech 4-2 R13 2018 April 13A02801 Instrumentation Question Paper

Firstranker's choice

--- Content provided by‍ FirstRanker.com ---

Code: 13A02801

FirstRanker.com

B.Tech IV Year II Semester (R13) Regular & Supplementary Examinations April 2018

--- Content provided by⁠ FirstRanker.com ---

INSTRUMENTATION

(Electrical and Electronics Engineering)

--- Content provided by⁠ FirstRanker.com ---

Time: 3 hours

Max. Marks: 70

PART - A

--- Content provided by​ FirstRanker.com ---

(Compulsory Question)

1. Answer the following: (10 X 02 = 20 Marks)

--- Content provided by FirstRanker.com ---

1. (a) List out the errors in measurement.


2. (b) Define linearity and resolution.



--- Content provided by‌ FirstRanker.com ---

3. (c) Write the differences between phase modulation and frequency modulation.


4. (d) Mention the applications of multiplexing.


5. (e) Write the principle of frequency selective analyzer.

--- Content provided by​ FirstRanker.com ---



6. (f) Draw the block diagram of successive approximation DVM.


7. (g) List the characteristics to be considered while selecting a transducer.



--- Content provided by FirstRanker.com ---

8. (h) Write the principle of thermistor.


9. (i) Define absolute pressure and differential pressure.


10. (j) Write the principle of ultra sonic flow sensor.

--- Content provided by​ FirstRanker.com ---

PART - B

(Answer all five units, 5 X 10 = 50 Marks)

--- Content provided by‍ FirstRanker.com ---

UNIT - I

2. Describe the static characteristics in a measurement system.

--- Content provided by⁠ FirstRanker.com ---

OR

3. (a) Write short notes on statistical analysis of errors.

(b) Write about the standard signals and their representation.

--- Content provided by‍ FirstRanker.com ---

UNIT - II

4. Describe the principle and working of pulse amplitude modulation with the help of wave forms.

--- Content provided by⁠ FirstRanker.com ---

OR

5. Explain the block diagram of Time division multiplexing and explain each block in it.

UNIT - III

--- Content provided by FirstRanker.com ---

6. Describe the principle and working of total harmonic distortion analyzer.

OR

--- Content provided by FirstRanker.com ---

7. (a) Explain the principle and working of true RMS voltmeter.

(b) Describe the working of ramp type DVM.

UNIT - IV

--- Content provided by⁠ FirstRanker.com ---

8. (a) Describe the principle and working of capacitive transducer.

(b) Write short notes on strain gauges.

--- Content provided by‍ FirstRanker.com ---

OR

9. Describe the principle and working of thermocouples.

UNIT - V

--- Content provided by​ FirstRanker.com ---

10. Describe the principle and working of any one pressure sensor.

OR

--- Content provided by⁠ FirstRanker.com ---

11. Describe the principle and working of level sensor for measurement of liquid level.