MU Electronics Engineering (Semester 3)
Electronic Instruments and Measurements
May 2016
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


Solve all
1(a) Define :- Accuracy, Precision, Linearity, Sensitivity, Resolution
5 M
1(b) Write specifications of analog multimeter.
5 M
1(c) Discuss the role of delay line in CRO.
5 M
1(d) Explain selection criteria of transducers.
5 M

2(a) Explain in detail linear variable differential transformer.
10 M
2(b) Draw and explain multichannel data acquisition system.
10 M

3(a) Discuss the working principle of RTD, Thermistor and Thermocouple. Also write their ranges and applications.
10 M
3(b) Draw and explain the Maxwell bridge.
10 M

4(a) Draw and explain block diagram of Cro.
10 M
4(b) Write short note on 'PC based instrumentation system'.
10 M

5(a) Explain the liquid level measurement using capacitive type method.
10 M
5(b) What is error? Write the classification of errors. Also discuss the methods to eliminate/reduce the errors during measurement.
10 M

Write short notes on
6(a) Wheatstone bridge
5 M
6(b) Applications of DSO
5 M
6(c) Resistance strain gauge
5 M
6(d) Turbine flow meter.
5 M



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