MU Electronics Engineering (Semester 3)
Electronic Instruments and Measurements
December 2013
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 the following terms :-
(i) Accuracy (ii) Precision (iii) Sensitivity
(iv) Linearity (v) Resolution
5 M
1 (b) Write the application of Q-meters.
5 M
1 (c) Estimate the Bandwidth of CRO if a signal of 12 MS rise time is observed as the signal with 15 MS rise time
5 M
1 (d) Write the selection criteria of transducer
5 M

2 (a) Write short notes on "Resistance strain guages".
10 M
2 (b) List the types of liquid level measurements. Explain any two in detail.
10 M

3 (a) Compare the temperature measurement transducer RTD, thermistors and thermcouples on the basis of principle, charcteristics, range and applications.
10 M
3 (b) Explain the magnetic flow meter in detail.
10 M

4 (a) Draw and explain the block diagram of data logger.
10 M
4 (b) Explain the measurement of unknown resistance using Kelvin double bridge
10 M

5 (a) Draw and explain the generalized block diagram of the CRO
10 M
5 (b) Explain the linear variable differential transformer in detail
10 M

6 (a) What are the types of error in measurements? Explain all in details
10 M
6 (b) Draw and explain the block diagram of digital storage oscilloscope. Also write the application of DSO
10 M



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