Shivaji University 2010-5th Sem B.E Electrical Engineering T.E(Electrical)- (New ), Instrumentation Techniques - Question Paper
This is regular batch paper of Instrumentation Techniques for the year 2010 for 3rd year electrical engineering students of Shivaji University, Kolhapur. 1-155
Seat
No,
T.E. (Electrical) (Semester - V) (New Course) Examination, 2010 INSTRUMENTATION TECHNIQUES
Day and Date : Wednesday, 1-12-2010 TotaI Marks : 100
Time : 10.00 a.m, to LOO p.m.
Instructions : 1) Attempt any three questions from each Section.
2) Draw neat sketch wherever necessary.
3) Figures to the right indicate full marks.
SECTION - 1
1. a) Define and explain the following static performance parameters of an instrument:
i) Accuracy ii) Precision Hi) Resolution iv) Linearity, 8
b) Classify the transducer based on the principle of working. What are the factors which influence the selection of transducer ? 8
2. a) Explain the necessity of signal conditioning and describe the working of any
one type of modulator and demodulator 8b) From first principles, for a strain guage made of circular wire, derive expression for guage factor. 8
3. a) Ex plain the working principle of following transducers : 8
i) Piezo-electric ii) L.V.D.T,
b) With neat di agram, explain programmable ga in amplifier. Also derive ex pres s ion for gain. 8
4. Explain in brief (any three); 18
i) Data acquisition systems.
ii) Voltage to frequency convener.
iii) Type of filter,
iv) Sample and Hold circuit.
PTO.
SECTION - II
5. a) Give types of PLC system and explain any one in detail. 8 b) List the various symbols used for input and output elements of PLC, 8
6. a) With neat d i agram, ex pi ai n the working of Ramp digi tal vol tmc ter. 8 b) Draw the neat diagram of X-Y Recorder and explain the operation. 8
7. a) Describe instrumentation setup for measurement of temperature using RTD, 8 b) Describe instrumentation setup for measurement of vibration. 8
B. Explain in brief (any three): 18
a) Digital input and output devices,
b) Ladder diagram logic.
c) Instrumentation setup for measurement of speed.
d) Seven segment display.
e) PLC selection and installation.
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| Earning: Approval pending. |
