# PTU B.Tech Electrical Engineering 6th Semester May 2019 71136 TRANSDUCER AND SIGNAL CONDITIONING Question Papers

PTU Punjab Technical University B-Tech May 2019 Question Papers 6th Semester Electrical and Electronics Engineering (EEE)-EE-Electrical Engineering

Roll No.
Total No. of Pages : 02
Total No. of Questions : 09
B.Tech.(Electronics & Electrical) (2011 Onwards OE) (Sem.?6)
TRANSDUCER AND SIGNAL CONDITIONING
Subject Code : BTEEE-OPD
M.Code : 71136
Time : 3 Hrs. Max. Marks : 60
INSTRUCTION TO CANDIDATES :
1.
SECTION-A is COMPULSORY consisting of TEN questions carrying T WO marks
each.
2.
SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3.
SECTION-C contains T HREE questions carrying T EN marks each and students
have to attempt any T WO questions.

SECTION-A
1.

a) Classify transducers based upon their working principle.

b) Define strain gauge and gauge factor.

c) What are the basic components of a tape recorder?

d) Classify the transducers based upon working principle.

e) Differentiate between inverting and non-inverting amplifier.

f) How A/D converter can be used as encoder?

g) Define Seeback effect.

h) Compare digital storage oscilloscope advantages over an analog CRO.

i) Draw the pin diagram of opamp and draw the circuit diagram of adder using opamp.

j) What do you meant by signal conditioning.

1 | M-71136

(S2)-668

SECTION-B
Q2. Explain the construction and working of piezoelectric transducers.
Q3. Explain the operation of A/D converter dual slope DVMS with neat sketch.
Q4. Explain the construction and working principle of magnetic tape recorders.
Q5. Explain with circuit diagram, how does an OP-Amp act as :

i) Integrator

ii) Differentiator

iii) Substractor

iv) a multiplier

v) a divisor
Q6. Describe in detail about single channel and multichannel DAS.

SECTION-C
Q7. What are the selection criteria for the transducer? Explain the working principle of
thermocouples, its types and laws of thermocouples.
Q8. a) List the types of telemetry system. Give the principle of FM Telemetry System. And

identify the advantages of FM over AM?

b) Explain the working of sample and hold circuit with appropriate diagram. What is the

need for sample and hold circuit in A/D converter?
Q9. Write short note on following :

a) Torque Measurement

b) Digital Frequency meter

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