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
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
(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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This post was last modified on 04 March 2021