Gujarat Technological UniversitySummer 2025 examination

GTU 2170913 Industrial Instrumentation Summer 2025 Question Paper & PDF

B.E. · Electrical Engineering · Semester 7 · Subject code 2170913
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Total
70 marks
To pass
23 marks (33%)
Duration
2.5 Hours 2:30 PM – 5:00 PM
Questions
5 with internal choice
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Q.1

14 Marks
(a)
3 marks

Define industrial instrumentation. Draw functional block diagram of an instrumentation system.

(b)
4 marks
Define:
i)Hysteresis
ii)Repeatability
iii)Accuracy
iv)Dead Zone.
(c)
7 marks
State static and dynamic characteristics of an instrumentation system.

Q.2

14 Marks
(a)
3 marks
Differentiate between active and passive transducer with example.
(b)
4 marks
Write a short note on Hall effect transducer. Also state its applications.
(c)
7 marks

Explain construction and working principle of LVDT. Explain how it will detect displacement.

(c)
7 marks

State basic principle of piezo electric transducer. Draw an equivalent circuit. Also derive an equation for the output voltage.

Q.3

14 Marks
(a)
3 marks
Define:
i)Absolute pressure
ii)Gauge pressure
iii)Static pressure
(b)
4 marks
Enlist different types of load cells. Briefly explain any one of them.
(c)
7 marks
Explain the following characteristics of a Transducer.
i)Precision
ii)Resolution
iii)Sensitivity
iv)Threshold
v)Repeatability
vi)Accuracy
vii)Hysteresis.
(a)
3 marks
Enlist methods of torque measurement. Explain any one of them in brief.
(b)
4 marks

Explain Variable Dielectric Constant method for measurement of Liquid level using capacitive transducer.

(c)
7 marks
Write a short note on Ultrasonic flow meter.

Q.4

14 Marks
(a)
3 marks
What is Hall effect? State application of hall effect transducer.
(b)
4 marks
Explain flow measurement technique using Hot Wire Anemometer.
(c)
7 marks

Explain construction and working principle of thermocouple. Also state its applications.

(a)
3 marks
How capacitive transducer is used for angular displacement?
(b)
4 marks
Briefly explain working of Pirani Gauge.
(c)
7 marks

Describe the working principle and construction of thermocouples. Describe the various types of compensation employed.

Q.5

14 Marks
(a)
3 marks

Explain the need of recorders and the draw block diagram of the digital recording system.

(b)
4 marks
Write a short note on rota meter for flow measurement.
(c)
7 marks

Explain ultrasonic level measurement. Also state its advantages and disadvantages.

(a)
3 marks
Draw a block diagram of multi-channel data acquisition system.
(b)
4 marks
Explain working of McLeod gauge.
(c)
7 marks
Explain dual slope A/D circuits in digital data acquisition.

More Industrial Instrumentation papers

Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.

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About this paper

Official Gujarat Technological University (GTU) examination paper for Industrial Instrumentation (Summer 2025, B.E. · Electrical Engineering, Sem 7). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.

Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.

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