Registration No. Total number of printed pages - 02 B.TECH PEEI5403 8th Semester Regular / Back Examination 2016 - 17 INDUSTRIAL INSTRUMENTATION BRANCH : Chemical Time : 3 Hours Max Marks : 70 Question Code :Z154 Answer Question No. 1 which is compulsory and any FIVE from the rest. The figures in the right-hand margin indicate marks. Answer all parts of a question at a place. 1. (a) (b) (c) (d) (e) (f) (g) (h) (i) (j) (a) (b) (a) List various sensors/instruments used for the measurement of pressure, temperature, flow, level, and vibration in a power plant. 06 With a suitable diagram describe a typical power plant cycle and explain the role of each component. 04 What is the importance of modulation in Telemetry? Briefly describe the methods of modulation in Digital data. 04 Briefly describe the principle of operation of Voltage Telemetry system and position telemetering system. 06 1 3. 2 x 10 (b) Page 2. Answer the following questions : List various causes of drift observed in an instrument. How is hazardous location determined? Classify different zones on this basis. Write at least two differences between TDM and FDM. How the smart transmitter plays a vital role in process industries? Define MTTF. Write the relationship between MTTF and Reliability. State with examples of necessity of moisture measurements in liquid. Explain the term NEMA and IP. What specifications do make in relation to hazards and safety? Define “Economy” and “Capacity” of an evaporator. Give their relationship. What is Mass Spectrometry? What is known by dynamic calibration? How is it performed in a second order under damped system?
(b) 5. (a) (b) 6. 7. (a) (b) 8. (a) (b) (c) (d) How can X-ray absorption spectra be utilized for analysis purposes? Discuss with relevant diagrams and analysis. 06 With the help of a neat sketch explain the working of a dual hot wire thermal conductive cell. 04 What is intrinsic safety? How does a Safety Triangle account for safety in hazardous condition? 03 List various types of Spread spectrum used in Telemetry system. Describe operations of Transmitter and Receiver of a FHSS(Frequency Hopping Spread Spectrum). 07 Why temperature control in a reactor is very important? Draw the control Diagram of temperature control in a reactor using cascade arrangement and explain it. 10 What are analysis, evaluation, and construction as suggested by NFPA? 02 Draw the balanced scheme of a zener barrier protection system and explain its operation. 08 Write short notes on any TWO: Interference, Operational, and Installation Errors Statistical error analysis Principle and operation of spectroscopy Draw block diagram and explain operation of wireless I/O system 5x2 ------------------- 2 (a) Page 4.