Code No. B7010 NR
JAWAHARLAL NEHRU TECHNOLOGY UNIVERSITY, HYDERABAD
M .Tech. II Semester Supplementary Examinations, March – 2009
ADVANCED INSTRUMENTATION AND SYSTEMS DESIGN
(Electronics & Communications)
Time: 3 hours Max. Marks.60
Answer any Five questions
All questions carry equal marks
1.a) Explain the sinusoidal restonse of first and second order elements.
b) Explain various techniques for dynamic compensation.
2.a) Explain the concept of electrical loading and its effects on measurement systems.
b) What is the lower spectral display?
c) Explain the effects of noise and interference on measurement circuits.
3. Explain the following
a) LVDT for displacement measurement
b) Electromagnetic sensing elements
c) Electrochemical sensing elements
4. What is a deflection bridge? Explain the design of resistance and reactance
5.a) Explain the principle an operation of electronic torque balance transmitter with a
b) Explain various operations involved is A to D conversion systems.
6.a) Explain the principle and working of an ultrasonic Doppler flow meter with a neat
b) Explain the operations sequencing in gas chromatography.
7.a) Explain the architecture of a computer based telemetrs system
b) What is multiplexing? Differentiate between analog and digital multiplexers.
8. Explain the following in brief
a) Marine instrumentation system
b) Geoscientific instrumentation system