GTU BE 2020 Summer Question Papers || Gujarat Technological University
Subject Name: INDUSTRIAL MEASUREMENT I
Time: 10:30 AM TO 01:00 PM Total Marks: 70
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER- IV EXAMINATION — SUMMER 2020
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Subject Code: 2141705 Date:28/10/2020Subject Name: INDUSTRIAL MEASUREMENT I
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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| MARKS | ||
| Q.1 | (a) Define following terms of performance characteristic of the instrument briefly 1. Fidelity 2. Repeatability 3. Dead zone | 03 |
| (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. --- Content provided by FirstRanker.com --- (1) RADAR (2) Ultrasonic (3) Capacitance | 07 | |
| OR | ||
| (c) Describe the working of following level measurement techniques with neat sketch. (1) Float (2) Displacer (3) Diff. Pressure | 07 | |
| 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 | ||
| Q.3 | (a) Differentiates:following pressure on flowing fluid. (1) Absolute 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 overcome? | 07 | |
| OR | ||
| Q.4 | (a) Describe the laws of Thermocouples | 03 |
| (b) Justify the need of temperature compensation for temperature measurement. | 04 | |
| (c) Draw and describe construction, working principle, advantages and limitation as a temperature measuring instrument. | 07 | |
| 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 limitation of Electro-magnetic type Flow meter. | 07 | |
| OR | ||
| Q.5 | (a) Obtain Bernoulli equation for incompressible fluid. | 03 |
| (b) Explain working with operating principle of Venturi Tube as Flow meter. | 04 | |
| (c) Describe Ultrasonic Flow meter. How will it best suited as non contact measurement approach? | 07 |
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