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BE - SEMESTER- IV (New) EXAMINATION - WINTER 2019
Subject Code: 2141705 Date: 13/12/2019
Subject Name: Industrial Measurement I
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
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- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
Marks
Q.1
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(a) Define following terms 3
- Accuracy
- Drift
- Fidelity
(b) Explain with example of Active & Passive Transducers. 4
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(c) What is measurement? Explain different static and dynamic characteristics of measurement system 7
Q.2
(a) Explain in detail response of first order and second order system. 3
(b) Write short note on selection criteria for transducer 4
(c) What is the significance of dead weight of tester? Explain it with schematic diagram. 7
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OR
(c) Explain air purge level measurement with neat sketch 7
Q.3
(a) Explain flapper-nozzle assembly 3
(b) Explain the working principle of vortex flowmeter. 4
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(c) What are thermistors? How are they constructed? Draw and discuss their resistance-temperature characteristic 7
OR
Q.3
(a) Explain the Vena Contracta & Stagnation Point. 3
(b) Explain Pitot tube for flow measurement 4
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(c) Explain the electromagnetic flow meter with its basic principle of operation 7
Q.4
(a) Explain rota meter for flow measurement with its limitation. 3
(b) Importance of Cold Junction Compensation & its circuits 4
(c) Explain Doppler and Transit time Ultrasonic meter for flow measurement 7
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OR
Q.4
(a) Discuss Bellows type pressure sensor and its application for the measurement of absolute and gauge pressure. 3
(b) Discuss the principle and construction of orifice plate flow meter 4
(c) Explain the basic principle of RTD. Draw and discuss all the measurement circuitry for temperature measurement using RTD 7
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Q.5
(a) Discuss the basic principle of manometer. Explain different types of manometers in detail 3
(b) Write a short note on vibrating type level switches. 4
(c) Describe the operating principle of radiation pyrometer for measurement of temperature 7
OR
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Q.5
(a) Specify Units of temperature, pressure and flow 3
(b) Explain the method of level measurement in an open-to-atmosphere tank using differential pressure transmitter 4
(c) Why is McLeod gauge considered to be a standard for measurement of pressure in the vacuum range? Explain the construction of McLeod gauge with basic principle of operation. 7
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