Download JNTUA B.Tech 4-2 R15 2019 July Advanced Supple 15A02801 Instrumentation Question Paper

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Code: 15A02801


B.Tech IV Year II Semester (R15) Advanced Supplementary Examinations July 2019
INSTRUMENTATION
(Electrical & Electronics Engineering)

Time: 3 hours Max. Marks: 70

PART ? A
(Compulsory Question)

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1 Answer the following: (10 X 02 = 20 Marks)
(a) What is gross error? List out different types of gross errors.
(b) What is the use of standard test signals?
(c) What is Time Division Multiplexing (TDM)?
(d) List out the components of analog DAS.
(e) What is the difference between wave analyzer and harmonic distortion analyzer?
(f) Specify the advantages of DVM over analog voltmeters.
(g) Distinguish between bonded and unbonded strain gauges.
(h) Name different types of photo-electric transducers.
(i) List out different types of flow meters.
(j) Explain the Seebeck effect.

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

UNIT ? I

2 What are sources of errors? Explain dynamic characteristics of instrument.
OR
3 What are different types of errors? Explain the use of pulse modulation and pulse code modulation
in instrumentation.

UNIT ? II

4 What are different modulation techniques used in instrumentation? Explain with neat sketches.
OR
5 Explain the different types of multiplexing systems with suitable diagrams and sketches.

UNIT ? III

6 What is special significance of frequency selective wave analyzer? Explain its operation with neat
diagrams.
OR
7 Explain the operation of integrating type digital voltmeter with neat sketch and example.

UNIT ? IV

8 What is resistive transducer? Explain different types of resistive transducers with suitable sketches.
OR
9 List out different types of photo ? electric transducers. Explain each of them with suitable diagrams.

UNIT ? V

10 What are different types of pressure transducers? Explain them with neat sketches.
OR
11 Explain different types of temperature measuring transducers with suitable diagrams.

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R15
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