Name two advantages of … Since this flow varies as the square root of differential pressure the pen does not directly indicate flow. Yes. Liquid lines: On liquid lines the transmitter is mounted below the orifice plate. Explain the operation of Wheatstone bridge. Q.12. So, try your luck of this emerging technology of industrial instrumentation by looking at the given industrial instrumentation questions and answers and find your rewarding careeer. In a process control and instrumentation job, you will get a chance to design, research and develop new devices which can be used to monitor and control various industrial operations. Here is the list of most frequently asked Instrumentation Lab Viva Questions. Question 9. 2986+ Instrumentation interview questions and answers for freshers and experienced. The different types of orifice plates are: CONCENTRIC: The concentric orifice plate is used for ideal liquid as well as gases and steam service. First flushing the transmitter. by Sivaranjith April 12, 2018 April 13, 2018 0 1812. Variable Resistor ... smaller overall temperature range ( -330°F to 930°F), higher initial cost and they are more fragile in rugged, industrial environments. Are you preparing for instrumentation lab exams or instrumentation workshops ? Instrumentation Viva Questions. Q.25. What is the working principle of mercury in glass thermometer? Does chemistry workout in job interviews? Industrial Instrumentation Interview Questions ; Question 18. As per the Peltier effect, when two dissimilar metals are joined together to form two junctions, emf is generated within the circuit due to the different temperatures of the two junctions of the circuit. Same repeat for L.P. side by connecting pump to H.P. Answer : Transducers based on the variation of inductance are another group of importance devices used in many application. A process control is continuous changing of a process variable to desire variable according to the measured feedback variable from the process. What are the major disadvantages of RTD ? Why Is The Orifice Tab Provided? What Is Field Bus ? Question3: What are the primary elements usedfor flow measurement? Q.20. 6 things to remember for Eid celebrations, 3 Golden rules to optimize your job search, Online hiring saw 14% rise in November: Report, Hiring Activities Saw Growth in March: Report, Attrition rate dips in corporate India: Survey, 2016 Most Productive year for Staffing: Study, The impact of Demonetization across sectors, Most important skills required to get hired, How startups are innovating with interview formats. Give 20 psi air supply to the transmitter. Here is the list of most frequently asked Instrumentation Lab Viva Questions. What Is Bernoulli’s Theoram And Where It Is Applicable? INSTRUMENTATION Engineering Interview Questions and Answers pdf free download,INSTRUMENTATION Engineering multiple choice Questions and Answers,online test Skip to content Engineering interview questions,Mcqs,Objective Questions,Class Notes,Seminor topics,Lab Viva Pdf free download. 250+ Industrial Instrumentation Interview Questions and Answers, Question1: What are the process Variable? Instrumentation interview questions. Disadvantages for thermocouples are their wide accuracy range, especially at elevated temperatures, difficult to recalibrate (seeing as though they are dependent upon the environment) and, finally, installation can be expensive if long lengths of thermocouple wire are needed. Overall, thermocouples are able to withstand rugged applications. Question5: How do you identify an orifice in the pipe line? Electrical Measurements VIVA questions :-1. what is measurement? On services where seal pots are used isolate the primary isolation valves and open the vent valves. Industrial Instrumentation Interview Questions ; Question 41. In principle, thermometers made of different material (e.g., coloured alcohol thermometers) might be expected to give different intermediate readings due to different expansion properties; in practice the substances used are chosen to have reasonably linear expansion characteristics as a function of true thermodynamic temperature, and so give similar results. Adjust zero. The primary elements used for flow measurement are: Question 4. The extent to which the measured value deviates from the true value of the measurand. Q.13. Read Instrumentation Basic Questions and Answers for your Interview preparation. A thermocouple is comprised of at least two metals joined together to form two junctions. 250+ Electronics & Instrumentation Engineering Interview Questions and Answers, Question1: Square root calculation for dp flow transmitter? Say the pen reads 50% of chart. How does a Photoelectric pickup work? Question 17. The use this is made in viscous and sherry flow measurement. Torque is a twisting or turning force about an axis that can be applied in a clockwise or counter-clockwise direction. Then you need to learn the process control and instrumentation questions bit prior to an interview. Any process plant has to continuously monitor and control four important parameters. The orifice tab is provided due to the following reasons: Question 7. Types, Advantages, Disadvantages, Large displacements are necessary for appreciable differential output, They are sensitive to stray magnetic field, Dynamic response is limited by mass of core. What are the major advantages of a thermocouple ? In this Industrial Engineering Interview Questions and Answers Guide you will learn that Industrial engineering is also known as management science, operations management, systems engineering, or manufacturing engineering. Lets read the control valves basics. What Are The Primary Elements Usedfor Flow Measurement? The two measurement tools each have their own advantages and disadvantages. Q.23. How Do You Calibrate A D. P. Transmitter? Give commonly used pressure sensitive devices? What is the measurement principle of load cell? Question 16. Since liquids have a property of self draining. Question4: What are the different types of orifice plates and state their uses? Industrial Instrumentation Interview Questions Answers ... INDUSTRIAL Engineering mcqs Objective lab viva short Questions online test quiz' 'SAFETY OFFICER INTERVIEW QUESTIONS AMP ANSWERS WISDOM JOBS MAY 11TH, 2018 - 250 SAFETY OFFICER INTERVIEW QUESTIONS AND ANSWERS FOR … What are the major differences between a thermocouple and an RTD? How Do You Calculate New Factor From New Range Using Old Factor And Old Range? This orifice as a hole in concentric and hence known as concentric orifice. check out these Basics of Valves Interview Questions & Answers. or L.P. open the equalizing valve. Spring material causes strain due to applied load and strain gage changes its resistance in accordance with the change in strain. This website uses cookies to improve your experience. Q.6. 13587 What If Seal Pots Are Used? Want to get ahead with a bit of question-answer practice? 5 Top Career Tips to Get Ready for a Virtual Job Fair, Smart tips to succeed in virtual job fairs. Are you an engineering graduate in industrial instrumentation? A Resistance Thermometer or Resistance Temperature Detector is a device which used to determine the temperature by measuring the resistance of pure electrical wire. Ltd. Wisdomjobs.com is one of the best job search sites in India. Gas Service: On gas service the transmitter is mounted above the orifice plate because Gases have a property of self venting and secondly condenlate formation. Fill the line from the transmitter drain plug with a pump. Common Interview Questions: Entry Level Instrumentation. What are the major disadvantages of a thermocouple ? Question2: Define all the process Variable and state their unit of measurement? The frequency of the light pulses is proportional to shaft speed and so will be frequency of electrical o/p pulses from photoelectric. How Do You Do A Zero Check On A D.p. Answer: A super-mesh exists when an ideal current source appears between two meshes of an electric circuit. Top 10 facts why you need a cover letter? The pots should be at the same level. A process control is continuous changing of a process variable to desire variable according to the measured feedback variable from the process. One is connected to the body whose temperature is to be measured; this is the hot or measuring junction. Take the Quiz for competitions and exams. Accept Read More. Are you capable enough to work both in software or hardware sectors? Want to get ahead with a bit of question-answer practice? Disadvantages, when compared to the thermocouples, are: smaller overall temperature range ( -330°F to 930°F), higher initial cost and they are more fragile in rugged, industrial environments. 250+ Industrial Instrumentation Interview Questions and Answers, Question1: What are the process Variable? This wire is referred to as a temperature sensor. It has good linear characteristics over a wide range of temperature. Flow varies directly as the square root of different pressure F = K square root of ΔP. How does a piezoelectric pickup work? What is called output offset voltage of an Op-amp? Explain the operation of Wheatstone bridge. The  word piezoelectricity means  electricity resulting from pressure. You have a wide scope in aeronautics, space science; also can fit in both hardware and software sectors. Q.14. If that is clean then. The process of determining the amount, degree, or capacity by comparison (direct or indirect) … A load cell is a transducer that is used to create an electrical signal whose magnitude is directly proportional to the force being measured. Question 14. Load cell primarily consists of a spring material and strain gage. It uses bonded strain gauge technology, where the strain gauges are bonded to a suitably designed shaft. Q.27. Therefore the thermocouple measures unknown temperature of the body with reference to the known temperature of the other body. 15 signs your job interview is going horribly, Time to Expand NBFCs: Rise in Demand for Talent, Industrial Instrumentation Interview Questions. Q.11. Question5: How do you identify an orifice in the pipe line? Q.16. Adjust the zero by equalizing if necessary. It is a device which converts the pressure into mechanical displacement which is later converted in to electrical quantity using a secondary transducer. 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