Download GTU B.Tech 2020 Summer 4th Sem 2141705 Industrial Measurement I Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Summer 4th Sem 2141705 Industrial Measurement I Previous Question Paper

Seat No.: ________
Enrolment No.___________


GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER? IV EXAMINATION ? SUMMER 2020
Subject Code: 2141705 Date:28/10/2020
Subject Name: INDUSTRIAL MEASUREMENT I
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.



MARKS
(a) Define following terms of performance characteristic of the
Q.1
instrument briefly
03
1. Fidelity 2. Repeatability 3. Dead zone
(b) Draw neat sketch of functional block diagram of an instrument.

Explain its signal conditioning (Intermediate) block in detail.
04
(c) Justify following statement

"The role of transducer as prime component of any measurement system"
07


Q.2 (a) Differentiate self operated VS power operated transducers
03

(b) Explain Air-Bubbler system for liquid level measurement.
04
(c) Describe the working of following level measurement techniques with neat

sketch.
07
(1) RADAR (2) Ultrasonic (3) Capacitance


OR

(c) Describe the working of following level measurement techniques with neat

sketch.
07
(1) Float (2) Displacer (3) Diff. Pressure
Q.3 (a) Describe low /vacuum pressure units.
03
(b) What are manometers? Describe its operating principle for pressure

measurement.
04
(c) Explain capacitive type electrical pressure measuring system with

neat sketch, working, measurement range and limitation.
07


OR

(a) Differentiates following pressure on flowing fluid.
Q.3
(1) Absol
ute Pressure ( 2) Gauge Pressure (3) Total Pressure
03
(b) How will Flapper nozzle assembly is applicable as pressure controlled

system? Discuss it in brief.
04
(c) Draw and describe construction, working and benefit with neat sketch

of Dead Weight Tester.
07
Q.4 (a) Depict available temperature scale
03

(b) What are the differences between Thermistor and RTD? Describe it.
04
(c) Draw and describe construction, working and limitation of 2-wire

RTD based temperature measurement. How its limitation will
07
overcome?

OR

Q.4 (a) Describe the laws of Thermocouples
03
(b) Justify the need of temperature compensation for temperature

measurement.
04
1

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(c) Draw optical pyrometer and describe its operating principle, working


07

and limitation as a temperature measuring instrument.
Q.5 (a) Draw and describe variable area type Rotameter.
03

(b) Draw and describe Ultrasonic Level Switch.
04
(c) Draw and describe operating principle, working, construction and

07
limitation of Electro-magnetic type Flow meter.


OR
Q.5 (a) Obtain Bernoulli equation for incompressible fluid.
03
(b) Explain working with operating principle of Venturi Tube as Flow
04
meter.
(c) Describe Ultrasonic Flow meter. How will it best suited as non
07
contact measurement approach?


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