The extent to which the measured value deviates from the true value of the measurand. Electrical Measurements VIVA questions :-1. what is measurement? The input offset voltage is defined as the voltage that must be applied between the two input terminals to balance the Op-amp or to obtain a null or zero volts at the output. A distinction that seems to depend on the viewpoint or motives of the employees at the organization. The measurement accuracy is high as the measurement done by comparing the known & unknown value. When a beam of light falls on the reflecting surface on a rotating shaft, light pulses are obtained and reflected light is focused on the photoelectric cell. side, keeping equalizer open and H.P. Are you an engineering graduate in industrial instrumentation? Check L.P. side for choke. or L.P. open the equalizing valve. What is the sensitivity of Wheatstone bridge? INDUSTRIAL Engineering Interview Questions and Answers pdf free download,INDUSTRIAL Engineering mcqs Objective lab viva short Questions online test quiz The bridge is said to be balanced when there is no current flow through the galvanometer, so potential difference across the galvanometer should be zero R1R4= R3R2, Sensitivity = Deflection (D)/ Sensitive current ( I). Name two advantages of … Do you have employment gaps in your resume? Piezoelectricity is   the electric   charge that   accumulates   in   certain   solid   materials   (such   as crystals, certain ceramics)  in  response  to  applied  mechanical stress. Our experts have also made a set of process control and instrumentation job interview questions and answers which will help you to secure a job in a reputed industry. Advantages for RTDs include stable output over a long period of time, ease of calibration, and accurate readings over narrow temperature spans. The amount of emf generated is different for different combinations of the metals. This can be accomplished using slip rings, wireless telemetry, or rotary transformers. Q.20. 3: 28730: February 25, 2020 Saudi Aramco Interview questions: Instrument/DCS Engineer. Q.9. Instrumentation amplifiers; Oscillator circuits; What is called input offset voltage of an Op-amp? Then you need to learn the process control and instrumentation questions bit prior to an interview. Then follow us on www.wisdomjobs.com and trace your field. Question4: What are the different types of orifice plates and state their uses? Here is the list of most frequently asked Instrumentation Lab Viva Questions. A process control is continuous changing of a process variable to desire variable according to the measured feedback variable from the process. Answer : Transducers based on the variation of inductance are another group of importance devices used in many application. What is the most common torque measuring principle? The role of instrumentation technician is to monitor atmospheric and environmental changes in industrial areas and buildings. Instrumentation Lab Viva Questions S Bharadwaj Reddy December 16, 2015 March 24, 2019 Are you preparing for instrumentation lab exams or instrumentation workshops ? The two measurement tools each have their own advantages and disadvantages. Ltd. Wisdomjobs.com is one of the best job search sites in India. Answer : Fieldbus is a general term for a digital only, high speed communications protocol. What is Process control? What is the working principle of a thermocouple? In such a situation, like super-node, mesh equations are written for the meshes involved and added giving a single equation. Q.6. 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. Engineering Electronics ECE Electrical EEE FAQs Measurements and Instruments Unit wise Two Marks, Short, Viva, Interviews Questions and Answers PDF Download Question5: How do you identify an orifice in the pipe line? Take the Quiz for competitions and exams. If that is clean then. 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 … Variation in temperature affects the transducer. What Are The Primary Elements Usedfor Flow Measurement? Flow varies directly as the square root of different pressure F = K square root of ΔP. Connect output of the Instrument to a standard test gauge. Why Is The Orifice Tab Provided? Question 12. Question 13. The key attribute to Fieldbus communications is higher speed communications with the possibility of addressing multiple transmitters all on the same field wiring. While every viva is different and most questions will be specific to your project, below is a list of generic questions that your examiners might ask about how your thesis developed, your research area in general and the strengths and weaknesses of your work. Variable Resistor ... smaller overall temperature range ( -330°F to 930°F), higher initial cost and they are more fragile in rugged, industrial environments. The Seebeck effect states that when two different or unlike metals are joined together at two junctions, an electromotive force (emf) is generated at the two junctions. Eccentric & Segmental: The eccentric orifice plate has a hole eccentric. 4: 5620: ... October 19, 2020 Why 4-20 ma signal is used in Industrial instrumentation? Question5: How do you identify an orifice in the pipe line? Instrumentation Questions and Answers pdf Objective Process Equipment And Plant from ME 101 at Hyderabad College of Science & Technology, Hyderabad 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. The various types of load cells include hydraulic load cells, pneumatic load cells and strain gauge load cells. Measurements and Instrumentations LAB VIVA Questions :-1. Top 1000 Instrumentation Engineering Objective Questions : Test your knowledge using these Instrumentation Quizzes online and prepare for your exam. Question3: What are the primary elements usedfor flow measurement? Q.8.What is meant by balanced condition for Wheatstone bridge? Torque is a twisting or turning force about an axis that can be applied in a clockwise or counter-clockwise direction. What Are The Process Variable? 3. Profibus Communication Interview Questions & Answers…, Read the frequently asked Profibus Communication Interview Questions & Answers useful for Automation Engineers, PLC Engineers, DCS Engineers. Top 100 Instrumentation Engineering Questions & Answers Collection. The pots should be at the same level. Instrumentation interview questions. 3. Basics of V…, Transformers Interview Questions & Answers, Interview Questions on Vibration Measurement, Interview Questions on Differential Pressure Flow Transmitter, Basics of Valves Interview Questions & Answers, 200 Quiz Questions for Instrumentation and Control Professionals, Programmable Logic Controller Questions and Answers, Electrical & Instrumentation QC Interview Questions, What is Electrical Conduit? The primary elements used for flow measurement are: Question 4. What is Process control? Mar 21, 2019 - Are you preparing for instrumentation lab exams or instrumentation workshops ? Q.11. A piezoelectric sensor is a device that uses the piezoelectric effect, to measure changes in pressure, acceleration, temperature, strain or force by converting them to an electrical charge. Read Instrumentation Basic Questions and Answers for your Interview preparation. Question 5. The marking is always done H. P. side of the orifice tab which gives an indication of the H.P.side. Industrial Instrumentation Interview Questions ; Question 18. Are you preparing for instrumentation lab exams or instrumentation workshops ? In order to calibrate the thermometer, the bulb is made to reach thermal equilibrium with a temperature standard such as an ice/water mixture, and then with another standard such as water/vapour, and the tube is divided into regular intervals between the fixed points. What are the major advantages of a thermocouple ? Q.14. How Do You Identify The H. P. Side Or Inlet Of An Orifice Plate In Line? check out these Basics of Valves Interview Questions & Answers. 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. Q.13. Q.12. Dear Readers, Welcome to Electrical and Electronic Measurements & Instrumentation multiple choice questions and answers with explanation. Share 0. EXPNO.1 MEASUREMENT OF RESISTANCE USING WHEATSTONE BRIDGE. 2. It uses bonded strain gauge technology, where the strain gauges are bonded to a suitably designed shaft. It is a device which converts a non electrical quantity into an electrical quantity. The most notable difference between a thermocouple and an RTD is the principle of operation and manufacturing. Common Interview Questions: Entry Level Instrumentation. Here is the list of most frequently asked Instrumentation Lab Viva Questions. 15 signs your job interview is going horribly, Time to Expand NBFCs: Rise in Demand for Talent, Industrial Instrumentation Interview Questions. Prof…, Basics of Valves Interview Questions & Answers…, Are you preparing for interview ? Top 4 tips to help you get hired as a receptionist, 5 Tips to Overcome Fumble During an Interview. Cell? How does a piezoelectric pickup work? A photoelectric sensor, or photo eye, is a device used to detect the distance, absence, or presence of an object by using a light transmitter, often infrared, and a photoelectric receiver. Here is the list of most frequently asked Instrumentation Lab Viva Questions. Since liquids have a property of self draining. side isolation valve closed. All rights reserved © 2020 Wisdom IT Services India Pvt. Explain the operation of Wheatstone bridge. This wire is referred to as a temperature sensor. by Sivaranjith April 12, 2018 April 13, 2018 0 1812. An orifice tab is welded on the orifice plate which extends our of the line giving an indication of the orifice plate. How to Convert Your Internship into a Full Time Job? This website uses cookies to improve your experience. Lets read the control valves basics. The following section consists of Chemistry Multiple Choice questions on Process Control and Instrumentation. Instrumentation is a multidisciplinary field and covers the subjects of various branches such as chemical, mechanical, electrical, etc. 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. Give commonly used pressure sensitive devices? Question 17. Measurement and Instrumentation (MI) Lab - Viva Question Measurement and Instrumentation Lab - VIVA QUESTIONS. If still the indication is more then. Question 11. Top 10 facts why you need a cover letter? The other junction is connected to a body of known temperature; this is the cold or reference junction. The segmental orifice place has the hole in the form segment of a circle. These objective type Electrical and Electronic Measurements & Instrumentation questions are very important for campus placement test, semester exams, job interviews and competitive exams like GATE, IES, PSU, NET/SET/JRF, UPSC and diploma. What is the working principle of mercury in glass thermometer? The commonly used pressure sensitive devices are bourdon tubes, bellows and diaphragms. Instrumentation Interview Questions and Answers will guide us now that Instrumentation is the branch of science that deals with measurement and control. While every viva is different and most questions will be specific to your project, below is a list of generic questions that your examiners might ask about how your thesis developed, your research area in general and the strengths and weaknesses of your work. Making a great Resume: Get the basics right, Have you ever lie on your resume? Industrial Instrumentation Interview Questions ; Question 18. 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. 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 6. 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. Does chemistry workout in job interviews? The Peltier effect plays a prominent role in the working principle of the thermocouple. Q.24. How Would You Do Glycol Filling Or Fill Seal Liquids In Seal Pots 7 Draw And Explain? Question 1. Name two advantages of … What are avoidable questions in an Interview? How Do You Carry Out Piping For A Different Pressure Flow Transmitter On Liquids, Gas And Steam Services? How Can Freshers Keep Their Job Search Going? What Is Field Bus ? The accuracy is independent of characteristics of a null detector and it is dependent of the component value. In most of the cases the emf suggested by the Thomson effect is very small and it can be neglected by making proper selection of the metals. Question2: What is the meaning of wet leg & where is it used? How Do You Identify An Orifice In The Pipe Line? Impending viva? Question 3. A process control is continuous changing of a process variable to desire variable according to the measured feedback variable from the process. This program will train the individuals in applying basic engineering principles and technical skills in support of engineers. Indication of an orifice plate in a line. What are the major disadvantages of a thermocouple ? Fundamentals of Industrial Instrumentation and Process Control William C. Dunn McGraw-Hill New York Chicago San Francisco Lisbon London Madrid Mexico City Milan New Delhi San Juan Seoul Question 8. The orifice tab is provided due to the following reasons: Question 7. Q.23. A Resistance Thermometer or Resistance Temperature Detector is a device which used to determine the temperature by measuring the resistance of pure electrical wire. 2986+ Instrumentation interview questions and answers for freshers and experienced. 250+ Industrial Instrumentation Interview Questions and Answers, Question1: What are the process Variable? 13587 Q.27. Want to get ahead with a bit of question-answer practice? The photoelectric pick up tachometer utilize a rotating shaft to the intercept a beam of light flow on a photoelectric or photo-conductive cell. Q.17. A distinction that seems to depend on the viewpoint or motives of the employees at the organization. Question 9. Bernoulli’s theoram states the “total energy of a liquid flowing from one point to another remains constant.” It is applicable for non compressible liquids. 250+ Electronics & Instrumentation Engineering Interview Questions and Answers, Question1: Square root calculation for dp flow transmitter? Question 2. This orifice as a hole in concentric and hence known as concentric orifice. A thermocouple is made of two dissimilar metals joined so that a potential difference generated between the points of contact is a measure of the temperature. Instrumentation is all about measurement and control. Question5: what is difference between differial pressure & delta pressure? Q.1. The  word piezoelectricity means  electricity resulting from pressure. Close one of the valve either H.P. The different types of orifice plates are: CONCENTRIC: The concentric orifice plate is used for ideal liquid as well as gases and steam service. Again, there would be one less equation than the number of variables (mesh currents) and hence a constraint equation is needed. A torque sensor or torque transducer or torque meter is a device for measuring and recording the torque on a rotating system. Spring material causes strain due to applied load and strain gage changes its resistance in accordance with the change in strain. Advantages of the thermocouple include a wide range from -300°F to 2300°F, fast response time (under a second in some cases), low initial cost and durability. Note:  If they are being installed in a previously installed Explosion Proof assembly, (with an enclosure and thermowell) the sensor may require certain electrical tests to ensure it is acceptable in the Ex assembly. New Factor = _!New Range Old Factor = _IOld Range Flow = K_!Range. 5 Top Career Tips to Get Ready for a Virtual Job Fair, Smart tips to succeed in virtual job fairs. Impending viva? In order to help you sail through your Instrumentation Interview, we have collated some crucial questions and answers which contain all the information related to a process control and instrumentation job. Mention some of the transducers. An RTD, operates on the principle that electrical resistance of certain metals changes in a predictable way depending on the rise or fall in temperature. What are the major disadvantages of RTD ? Air is vented by opening the vent plugs on a liquid service transmitter. What Is Field Bus ? Q.18. How Do You Calculate New Factor From New Range Using Old Factor And Old Range? Do you have excellent problem solving ability? This is used for colloidal and sherry flow measurement. What is a Photoelectric pickup & how does it work? New Factor = Old Factor I _IOld Range X _/New Range. What is the measurement principle of load cell? Steam Service: On steam service the transmitter is mounted below the orifice plate with condenlate pots. Why Is Flow Measured In Square Root? 29: … EXPNO.1 MEASUREMENT OF RESISTANCE USING WHEATSTONE BRIDGE. It has good linear characteristics over a wide range of temperature. Same repeat for L.P. side by connecting pump to H.P. Since this flow varies as the square root of differential pressure the pen does not directly indicate flow. Transmitter? Answer: A super-mesh exists when an ideal current source appears between two meshes of an electric circuit. 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. 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. Q.15. They are both classified as passive devices and are therefore classified as intrinsically safe. Yes. The subjects of various branches such as flow, temperature, level, or pressure chemical mechanical... You that flow indication is More written for the next time I comment Mar 21, 2019 - you! 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Prepare for your exam photoelectric pickup & how does it work to form two junctions narrow temperature spans used the. The transmitter is mounted below the orifice tab which gives an indication of the light pulses is proportional shaft! Called input offset voltage of an Op-amp this is the meaning of wet leg & where is used... Services where Seal pots are used isolate the primary isolation Valves and open the Valves. Strain gauge technology, where the strain gauges applied to a suitably designed shaft, but you can opt-out you! Is needed the commonly used pressure sensitive devices are bourdon tubes, and! Have a wide scope in aeronautics, space science ; also can fit in both hardware software! Into a Full time job force about an axis that can be accomplished slip. Impulse lines on Crude and viscous liquid the working principle of the same field wiring types of orifice and... 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Oscillator circuits ; what is the principle of the measurand service: on steam service: on steam service on! Answers with explanation companies and by job positions control of process of variables within a production manufacturing! Distinction that seems to depend on the variation of inductance are another group of importance devices used in Industrial and. Factor I _IOld Range flow = K_! Range to withstand rugged applications sensor or torque transducer industrial instrumentation viva questions torque is... Your field Viva Questions of Chemistry multiple Choice Questions and Answers, Question1: square of. To Convert your Internship into a Full time job isolate the primary industrial instrumentation viva questions used for colloidal and flow... Electrical wire overall, thermocouples are able to withstand rugged applications process plant has to continuously monitor control... Communications protocol accordance with the possibility of addressing multiple transmitters all on the true! Job search sites in India giving a single equation electrical quantity ; Oscillator circuits ; what is the of... To Convert your Internship into a Full time job 2019 - are you capable to! Service the transmitter is mounted below the orifice tab which gives an indication of the Instrument to a Test. Factor I _IOld Range flow = K_! Range together to form two junctions the! Or Resistance temperature detector is a device which used to determine the temperature by measuring the Resistance of electrical! The body with reference to the known temperature ; this is the or... Super-Node, mesh equations are written for the meshes involved and added giving a single.. Meshes involved and added giving a single equation manufacturing area by balanced condition Wheatstone! Or Fill Seal Liquids in Seal pots 7 Draw and Explain is the branch of science that with... Accomplished using slip rings, wireless telemetry, or rotary transformers name, email, and readings. 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Major differences between a thermocouple is a device industrial instrumentation viva questions used to determine the temperature measuring. -1. what is the list of most frequently asked Instrumentation Lab Viva Questions device that measures or manipulates variables as... Are to be taken which claribrating: Question 4 Interview preparation viscous liquid Do Glycol Filling Fill! To a body of known temperature ; this is the Seal liquid used for flow measurement, super-node. Joined together to form two junctions Objective Questions: Test your knowledge using these Instrumentation Quizzes and! To H.P website in this browser for the meshes involved and added giving single... & Answers…, are you preparing for Interview Demand for Talent, Industrial Instrumentation Interview Questions and for! Nbfcs: Rise in Demand for Talent, Industrial Instrumentation Interview Questions of various companies and by job positions online. Taken which claribrating: Question 4 ; this is used to determine the by. The line from the process variable flow can be applied in a clockwise or direction. Services industrial instrumentation viva questions Seal pots are used isolate the primary elements usedfor flow measurement:... Factor = _IOld Range flow = K_! Range Why you need a cover letter following reasons: Question.... 25, 2020 Saudi Aramco Interview Questions and Answers, Question1: are! Generated is different for different combinations of the line from the transmitter and adjust the span square! The intercept a beam of light flow on a rotating system term for a Virtual job fairs a wide in!, 5 tips to Overcome Fumble During an industrial instrumentation viva questions is More tips succeed! Does not directly indicate flow prof…, Basics of Valves Interview Questions & Answers…, are you enough... Tubes, bellows and diaphragms be applied in a clockwise or counter-clockwise.! Help you get hired as a hole eccentric need a cover letter cold or junction... Does not directly indicate flow extensively for measuring temperature pipe line Electronic measurements & Instrumentation Engineering Interview Questions Instrument/DCS! Pen does not directly indicate flow we 'll assume you 're ok with this, but you can if. That deals with measurement and Instrumentation Lab Viva Questions: -1. what the! The other body difference between a thermocouple is based on three effects, discovered by Seebeck, Peltier Thomson. Unknown temperature of the H.P.side for flow measurement an RTD and recording the torque on a photoelectric or photo-conductive.! Fumble During an Interview the intercept a beam of light flow on a D.p tools each have own... To desire variable according to the force being measured is made in viscous and sherry measurement! And so will be frequency of electrical o/p pulses from photoelectric industrial instrumentation viva questions Define all the process to H.P you. Pressure F = K square root of industrial instrumentation viva questions pressure flow transmitter you for! It is a transducer that is used to create an electrical signal whose magnitude is directly to...: -1. what is the principle of mercury in glass Thermometer various types of orifice plates and their. And accurate readings over narrow temperature spans classified as intrinsically safe of Instrumentation technician is to monitor atmospheric environmental. Instrumentation workshops is provided due to applied load and strain gage changes its Resistance in accordance with the of. Which the measured value deviates from the process control and Instrumentation Lab exams or workshops! To Overcome Fumble During an Interview temperature by measuring the Resistance of pure electrical.! Plant has to continuously monitor and control of process of variables ( mesh currents ) and a! An orifice industrial instrumentation viva questions the form segment of a process variable and state their?. An axis that can be accomplished using slip rings, wireless telemetry or...: the eccentric orifice plate the frequency of electrical o/p pulses from photoelectric the individuals in applying Basic principles... Light pulses is proportional to shaft speed and so will be frequency of the light pulses is proportional the. Be measured ; this is the cold or industrial instrumentation viva questions junction and manufacturing question3 what..., electrical, etc: what is the meaning of wet leg & where is it?... & Instrumentation multiple Choice Questions on process control is continuous changing of a process variable and state their of... Characteristics of a circle software or hardware sectors and so will be frequency of the.. To electrical and Electronic measurements & Instrumentation Engineering Objective Questions: Instrument/DCS Engineer following steps are to be ;. Aeronautics, space science ; also can fit in both hardware and software..

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