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Previous Year Exam Questions of Process Control Instrumentation of bput - PCI by Verified Writer

  • Process Control Instrumentation - PCI
  • 2017
  • PYQ
  • Biju Patnaik University of Technology Rourkela Odisha - BPUT
  • Chemical Engineering
  • B.Tech
  • 19 Offline Downloads
  • Uploaded 1 year ago
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Registration no: Total number of pages : 02 B.Tech. PECH5304 5th Semester Back Examination 2017–18 Process Instrumentation BRANCH : Chemical & Biotechnology Time : 3 Hours Max Marks : 70 Question Code : B335 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) 2. (a) (b) 3. (a) (b) 4. 5. 6. (a) (b) Answer the following questions : Define static error. Mention the temperature reading of centigrade and Fahrenheit scales at which they are equal. Write the principle of mass flow meter. What are the sources of error of a thermometer ? Why mercury is commonly used as a manometric fluid in a manometer ? A black body is very good absorber of heat radiation, but a bad emitter of such radiations when heated. State true or false with justification. Write the balanced condition for a wheat stone bridge with a neat sketch. Write the calibration procedure of liquid in glass thermometer. Suggest some instruments to measure the level. Write the working principle of optical pyrometer. (2x10) Explain with a neat sketch, the construction and working of a McLeod gauge with its advantages, and disadvantages. Write the relationship for volumetric expansionof liquid with respect to temperature. (7) What is the principle of thermometers? Which liquid is commonly used in the thermometer? What advantages does liquid has over other thermometer liquids? Write the working principle of Rotameter with its advantages and disadvantages. (5) Write the working principle of ring balance gauge. Explain the construction, working, range, and advantages of bell type pressure gauge with a neat diagram. What are the direct methods to measure liquid level ? Describe the construction and working principle of air bellows. (10) Write the uses of pressure switches. What are the different types of manometer? Explain the working of any one of them with a neat sketch. (2) (8) (3) (5) (10)

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7. (a) (b) Describe briefly the absorption spectroscopy. Describe the working principle of pH meter. (a) (b) (c) (d) Write short notes on any TWO : Sight glass Mass spectroscopy Inferential flow meter Pyrometer 8. (5) (5) (5x2)

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