University of Mumbai 2008-4th Sem B.E Electrical and Electronics Engineering Electronics Instruments & Instrumentation - Question Paper
Electronics Instruments & Instrumentation Sem IV May 2008
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Con. 2749-08. (REVISED COURSE) CO-9715
( 3 Hours ) [Total Marks : 100
N.B. i(1) Question No. 1 is compulsory.
(2) Attempt any four questions out of remaining six questions
(3) Figures to the right indicate full marks.
1. Solve any tour' of the following
(a) Define Resolution and Sensitivity of digital meter. What is the resolution 5 of a 3V* digit display on 1V and 10V ranges 7
(b) What is delayed sweep ? When is It used ? 5
(c) What are the requirements for a good laboratory type signal generator. 5
(d) Write classification of transducers. Qtve an example of each type 5
(e) Why is a delay line used in the vertical section of oscilloscope 5
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2. |
(a) |
Whal is the working principle of sucessive type digital voltmeter ? Draw Block diagram and explain |
12 |
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(b) |
Explain True RMS responding voltmeter. |
8 | |
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3. |
<a) |
Whal is the working principle of a digital frequency meter ? Draw Block diagram and explain. |
12 |
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(b> |
Explain digital phase measurement technique using flip-flop. |
8 | |
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4. |
<a> |
Explain front panel control on a CRO. |
10 |
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(b) |
Explain storage oscilloscope. |
10 | |
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5, |
(a) |
Explain generalized block diagram of Instrumentation measurement system. |
10 |
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(b) |
List Temperature Transducers. Hence explain any two temperature transducers. |
10 | |
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6. |
(a) |
Explain multichannel data acquisition system. |
10 |
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<b) |
Explain zeroth, first and second order instrument responses. Give example of each |
10 |
7. Write short notes on any two : 20
(a) Function Generator
(b) Piezoelectric Transducers
(c) Analog frequency meter
(d) LVDT (Linear Variable Differential Transformer).
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Attachment: |
| Earning: Approval pending. |
