APPLIED ELECTRONIC & INSTRUMENTATION
UTU PREVIOUS YEAR QUESTION PAPERS
Attempt any Four
parts:
Define the word transducer? Also classify them?
State the 5 static characteristics of Transducer?
Explain the working of LVDT in addition with c type Bourdon
tube with proper diagram?
For what purposes Strain gauge is used ? Explain
semiconductor types & gauges?
What do you understand by temperature compensation? how
temperature compensation is done using Wheatstone bridge circuit using 2 active
elements?
Attempt any Two
parts:
With the help of appropriate diagram explain the working of
resistance temperature detector? Also state the difference between Thermistor
& amp; Resistance temperature decoder?
Give the basic idea about elastic pressure Elements? How
pressure measurement is done Bellows?
A Thermistor has a resistance of 10 kilo ohm at 25 degree
Celsius. The resistance temperature coefficient is -0.05/ degree Celsius. A
Wien’s Bridge Oscillator uses 2 identical Thermistors in the Frequency
determining part of the bridge .The value of capacitance used in the Bridge is
500pf .Calculate the value of frequency of oscillations for .
(a) 20 degree Celsius
(b) 25 degree Celsius
(c) 30 degree Celsius
Attempt any Two
parts:
Define Vibration and Shock? Also describe the need and
importance of Vibration measurement including the diff between Vibrometer and
Accelerometer?
Describe the construction of a Seismic type vibration
Transducer ? Derive the steady state o/p of the Transducer when a Sinusoidal
i/p is applied to it ?
Describe Tachometer? What r Electromagnetic and
Photoelectric type Tachometer?
Attempt any Two
parts:
What do u understands by Telemetry System / Also explain
Radio Telemetry.
What is SNR ? Why there is need to improve it ? And how
improvement of SNR is done.
Difference between Grounding and Shielding with the help of
proper diagram ?
Attempt any Two
parts:
With the help of block diagram explain DC as well as AC
electronic voltmeter?
What are current probes? Give the basic principal of
operation of AC and DC current probes?
Explain ramp and dual slope integration type digital
voltmeter?
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