Important Questions For GTU Exam
1
What do you mean by transducer? State advantages of electric transducer.
2
Explain the factors influencing the choice of transducer.
3
Write short note on piezoelectric transducer. Also derive the output equation.
4
White short note on thermister as a temperature sensor.
5
State different method for measurement of vacuum pressure. Explain any one in
detail.
6
Explain construction and working principle of thermocouple. Also state its
applications.
7
Write a short note on rota meter for flow measurement.
8
Explain ultrasonic level measurement. Also state its advantages and
disadvantages
9
Explain any one method for torque measurement.
10
Write the formula of Gauge Factor for resistive strain gauge. Explain how
poison’s ratio,
dimensions
and specific resistance contribute to Gauge Factor.
11
Differentiate between active and passive transducer with example.
12
Explain construction and working of optical pyrometer with its advantages and
disadvantages.
13
Explain how angular displacement of shaft can be measured using Hall effect
principle.
14
Explain how the level can be measured by air purge system.
15
Explain working of four arm active Wheatstone bridge circuit employed for
strain
measurement
considering two arms experiencing tension and other two arms
experiencing
compression.
16
State principle of operation and construction of RTD.
17
Draw a block diagram of multi channel data acquisition system
18
Draw the schematic of X-Y recorder.
19
What is the sample and hold circuit?
20
Explain the following characteristics of a Transducer.(i)Precision (ii)
Resolution (iii)
Sensitivity
(iv) Threshold (v) Repeatability(vi) Fidelity (vii) Drift
21
Briefly explain working of McLeod gauge.
22
Explain basic requirement of transducer system
23
Explain how Venturi tube used for flow measurement.
24
Briefly explain working of Pirani Gauge.
25
Differentiate between un bonded and bonded type strain gauge
26
Explain construction and working principle of LVDT. Explain how it will detect
displacement.
27
Explain optical encoder principle used for shaft speed measurement
28
Explain principle of operation of Capacitive Transducers for level
measurements.
29
Describe the construction and working principle of Hall effect transducer.
30
Compare strip chart recorder with circular chart recorder.
31
Explain Construction and Working of Bourdon Tube.
32
Explain proving ring type load cell with its Advantages.
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