AI 09 406-ELECTRONIC INSTRUMENTATION AND MEASUREMENT JUNE 2011 (2009 Admissions)

SUBJECT - ELECTRONIC INSTRUMENTATION AND MEASUREMENT

CODE -  09 406

SEMESTER - FOURTH

BRANCH - AI

UNIVERSITY - CALICUT

YEAR - 2011

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Part A

Answer all Questions

1.Define calibration.

2.State the difference between accuracy and precision.

3.What is a unit? Name the various types of units.

4.What is an Integral Non linearity error?

5.What is a Q meter? Give any one of its application.

(5x2=10 marks)

Part B

Answer any four questions,

6.Write a note on Analog and digital modes of an instrument.

7.What is curve fitting? Explain.

8.Briefly explain the primary and working standards.

9.Explain the operation of a R-2R Ladder type DACs.

10.What is the principle of operation of an LCD? Explain.

11.What is RMS value? How is it measured using True RMS meter? Explain.

(4x5=20 marks)

Part C

Answer all questions

12.With block diagram, explain the generalized configuration of an Instrument.

Or

13.With neat sketch explain the following type of Instruments:

(a)Null type

(b)Deflection type

14.Discuss the first and second order instrument performance and their response to standard test signals.

Or

15.(a) How the system parameters are measured? Explain.

(b) With block diagram, explain the function of a Digital Instrument.

16.Explain the operation of a

(a)Flash type ADC

(b)Integrating type ADC

Or

17.Discuss the operation of a

(a)Bipolar DAC

(b)Master-slave DAC.

18.With block diagram, explain the operation of a CRO and derive an expression for its deflection sensitivity.

Or

19.With block diagram, explain the operation of a spectrum analyzer and its applications.

(4x10=40 marks)

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