Register Number SATHYABAMA UNIVERSITY (Established under section 3 of UGC Act,1956) Course & Branch :B.Tech – BME Max. Marks:80 Title of the Paper :Bioinstrumentation & Measurements Sub. Code :SBMX1001 (2010) Time : 3 Hours Date :24/04/2012 Session :AN ______________________________________________________________________________________________________________________ 1. PART - A (10 x 2 = 20) Answer ALL the Questions Differentiate between accuracy and precision. 2. What is meant by dynamic response? 3. What are the advantages of PMMC instruments? 4. Give the basic principle of a D’ Arsonval movement. 5. What are the advantages of digital instruments over analog instruments? 6. State the difference between DMM and DPM. 7. Mention the components of a standard signal generator. 8. Give the applications of a wave analyzer. 9. Compare LED and LCD display devices. 10. Give the classification of recording devices. PART – B (5 x 12 = 60) Answer All the Questions 11. With the block diagram explain the functional elements of a measuring instrument. (or) 12. Write about the classification of errors that occur in a measurement system. 13. What is a repulsion type Moving iron instrument? Explain any one of such type of an instrument in detail. (or) 14. Explain the construction, operation and working of dynamometer instrument. 15. With a suitable block diagram, explain the working of digital frequency meter. (or) 16. Explain the principle of operation of Ramp type digital voltmeter. 17. With a suitable block diagram, explain the working of Function generator. (or) 18. Explain with neat diagram, the different configuration of spectrum analyzer. 19. Explain the basic internal structure of a Cathode Ray Tube with necessary diagrams. (or) 20. Explain in detail about galvanometer type recorders with neat diagram.