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?
