Industrial Instrumentation R05222201

Set No. 1

Code No: R05222201

II B.Tech II Semester Supplimentary Examinations, Aug/Sep 2007 INDUSTRIAL INSTRUMENTATION (Instrumentation & Control Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. (a) What is planimeter? Explain the planimeter technique with suitable sketch? (b) Describe one method of measuring angle? Explain in detail with neat sketch? [8+8] 2. (a) Explain in detail eddy current or drag cup type tachometer. (b) Discuss in detail relative acceleration pickup.

[8+8]

3. (a) Describe how pendulum scale is used for measurement of force and weight. (b) Explain in detail the principle and operation of torque measurement by using an optical method with a figure. [8+8] 4. What is vacuum gauge? What are the different types of vacuum gauges? Explain. [16] 5. Write short notes on flow Nozzles.

[16]

6. Explain the method where the change in bubble pipe pressure reflects the change in density of the liquid. [16] 7. Define emittance and explain what is its importance in radiation measurement.[16] 8. Explain any 2 direct methods of level measurement. ⋆⋆⋆⋆⋆

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[16]

Set No. 2

Code No: R05222201

II B.Tech II Semester Supplimentary Examinations, Aug/Sep 2007 INDUSTRIAL INSTRUMENTATION (Instrumentation & Control Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. What are the methods of measuring small bore diameter? Explain with neat sketches? [16] 2. (a) What is tachogenerator. Explain AC & Dc tachogenerators for rotary velocity measurement. (b) Explain ignition type tachometer?

[10+6]

3. What is gyroscope? How gyroscopic principle are used to measure force and torque? Explain with relevant diagrams. [16] 4. What is vacuum gauge? What are the different types of vacuum gauges? Explain. [16] 5. Name the types of hot wire anemometers and explain them in detail.

[16]

6. Write short notes on Hydrometer.

[16]

7. Write short notes on Thermography.

[16]

8. What is the importance of humidity measurement in various process industries and how it is measured by CONDENSATION? [16] ⋆⋆⋆⋆⋆

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Set No. 3

Code No: R05222201

II B.Tech II Semester Supplimentary Examinations, Aug/Sep 2007 INDUSTRIAL INSTRUMENTATION (Instrumentation & Control Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. What is interferometric comparator? Explain how interferometric comparator used for comparing the length of two gauge blocks? [16] 2. (a) Explain stroboscopic tachometer. (b) Explain moving magnet pickup for translational velocity measurement. [8+8] 3. What are load cells? Describe a magneto elastic load cell and strain gauge load cell. How do they differ in operations aspects? [16] 4. Liquid column manometers are treated as standards for pressure and differential pressure measurements. Why? Explain with suitable examples. [16] 5. Name the types of hot wire anemometers and explain them in detail.

[16]

6. Explain density measurement using gamma rays and vibrating probe liquid densitometer. [16] 7. Name the types of radiation pyrometers used which differ in technique which are used for measuring emitted radiation and explain any two of them. [16] 8. Explain STROBOSCOPE and STROBOSCOPIC METHODS for measurement of frequency of flash light. [16] ⋆⋆⋆⋆⋆

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Set No. 4

Code No: R05222201

II B.Tech II Semester Supplimentary Examinations, Aug/Sep 2007 INDUSTRIAL INSTRUMENTATION (Instrumentation & Control Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. (a) Explain how trapezoidal method is used to measure area. (b) Explain how planimeter is used to measure area enclosed by finite boundaries with example. [8+8] 2. What are different types of electrical tachometers? Explain in detail.

[16]

3. What are load cells? Describe a magneto elastic load cell and strain gauge load cell. How do they differ in operations aspects? [16] 4. (a) Null balance method is extended technique of LVDT pressure transducer. Explain. (b) Explain how resistance strain gauges are used in pressure measurement.[8+8] 5. Explain the general types of area meters used for flow measurement and write short notes on Rotameters. [16] 6. Define density and explain its measurement by using most popular device.

[16]

7. Photon detectors can be usually of what type and explain any one of them. [16] 8. Explain STROBOSCOPE and STROBOSCOPIC METHODS for measurement of frequency of flash light. [16] ⋆⋆⋆⋆⋆

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