Register Number SATHYABAMA UNIVERSITY (Established under section 3 of UGC Act,1956) Course & Branch :B.E - E&C Title of the Paper :Industrial Instrumentation Sub. Code :617602(2007/2008/2009) Date :19/09/2013 Max. Marks:80 Time : 3 Hours Session :AN _______________________________________________________________________________________________________________________________ 1. PART - A (10 x 2 = 20) Answer ALL the Questions List the advantages and disadvantages of Pneumatic force meter? 2. Define reaction torque sensors. 3. What are the errors occur in manometers? 4. How calibration is done for pressure transmitters? 5. What is the principle behind resistance thermometer? 6. Define the law of intermediate metals? 7. Which flow meter is used mostly in industries? 8. Write the different calibration of flow meters? 9. Write the principle of operation of bubbler system? 10. What do you meant by consistency? PART – B Answer All the Questions (5 x 12 = 60) 11. Write short notes on (a) Revolution Counter (b) Magnetic pickup Tachometer (or) 12. Explain about (a) Density measurement of liquids (b) Density measurement of gases 13. Explain with neat sketch the working principle of manometers and explain any three types. (or) 14. Write short note on (a) Pirani Gauge (b) Knudsen gauge 15. Write in detail about Bimetallic Thermometer. (or) 16. Explain with neat sketches the working construction advantages and disadvantages of thermocouples. 17. Write brief notes on (a) Pitot Tube (b) Venturitube (or) 18. Describe the working principle & operation of magnetic flow meters. 19. With the neat sketch explain the construction and working principle of air purge system. List the advantages of this air purge system. (or) 20. Briefly discuss the various types of viscometer.