MU Electronic Instruments and Measurements - December 2014 Exam Question Paper

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MU Electronics and Telecom Engineering (Semester 3)
Electronic Instruments and Measurements
December 2014

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

Attempt any five:

1 (a) Why wave analyzer is known as frequency selective voltmeter?

4 M

1 (b) Define accuracy, precision and sensitivity with suitable example.

4 M

1 (c) General specifications of Digital Multi-meter.

4 M

1 (d) List various sensors for pressure and temperature along with their ranges.

4 M

1 (e) List name of bridges for RLC measurement with proper classification.

4 M

1 (f) Significance of three and half digit display.

4 M

2 (a) Explain working of strain guage and draw the expression for guage factor.

10 M

2 (b) Draw neat block diagram of CRO and explain its functioning, comment on role of sweep in CRO.

10 M

3 (a) Draw and explain Weighted resistor network type DAC for 3 bits input taking suitable example.

10 M

3 (b) Explain Kevin's double bridge and its application in very low resistance measurement.

10 M

4 (a) Explain dual slop integration type ADC with the help of block diagram and comment on its speed.

10 M

4 (b) Explain LVDT and define its application in displacement measurement.

10 M

5 (a) Explain Heterodyne type wave analyzer and its applications.

10 M

5 (b) Discuss DSO with the help of block diagram along with various modes of operation. Also explain its applications.

10 M

6 (a) Draw and discuss Maxwell Bridge and its application for measurement of inductance.

10 M

6 (b) Define Q factor and explain working of a Q meter for Q factor measurement.

10 M

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