Repeatability is defined as the ability of a measuring system to reproduce output readings when the same input is applied to it consecutively under the same conditions & in the same directions. Previous year Exam Questions pyq for Mechanical Measurement and Control - MMC - BPUT 2016 7th Semester by Ankeet Kumar Hanny | lecture notes, notes, PDF free download, engineering notes, university notes, best pdf notes, semester, sem, year, for all, study material What is loading effect? Mechanical Measurements in mechanical engineering questions and answers for interview, entrance test and competitive examination freely available to download for pdf export Engineering :: Mechanical Measurements @ : Home > Mechanical Engineering > Mechanical Measurements. ∗ Consumer protection (legal metrology) Every measuring system must be provable. Basic of Catia V5 | Interview ,viva ,Oral questions and Answers. Measurement of Screw threads Parameters using two wire or Three-wire methods. 34. ∗ Ability to trace measurements to international standards Sachin is a B-TECH graduate in Mechanical Engineering from a reputed Engineering college. 2. Mechanical ... Meterology. Metrology is the science of measurement. 7. Thorough evaluation of newly developed products, and to ensure that components are within the specified dimensions. If What you looking for is not here, you may send a request to modify articles, Notes, and Content modification, Feedback, Suggestions here (Team will reply as early as Possible ): Contact Form or Using Whatsapp, © 2021 Copyright Learn Mechanical Engineering, Metrology Interview Questions and Answers For Mechanical Student. Since oil is a liquid it has the tendency to 'leak' through every gas/slot it finds during movement. Electrical Measurements VIVA questions :-1. what is measurement? The slotter or slotting machine is also a reciprocating type of machine tool similar to a shaper. Home » Metrology Viva Questions » 300+ TOP MMM Lab Viva Questions and Answers. To monitor an event or an operation. Read more about this portal or Sachin Thorat click on below button! 15) What are the methods of measurement? Gauge pressure: It is the system pressure which is measured with the pressure gauge, a device to 35. xvi Measurement and Control Basics fluid flow has been expanded and impr oved in Chapter 9. 24. Answer: The voltage in input terminal of the vertical amplifier causes the beam to deflect off the CRT screen, is unite low in amplitude. This minimum value defines the threshold of the instrument. 32. Mechanical Measurement And Control- Dec 17 Mechanical Engineering (Semester 5) Total marks: 80 Total time: 3 Hours INSTRUCTIONS (1) Question 1 is compulsory. lab viva questions anna university eee cse it ece eie. It is basically used for conical work pieces. 6. Mechanical Measurement and Metrology [17ME46B] Search this site. If a fluid is in equilibrium, the pressure at a point is identical in all directions and independent of orientation is referred as pressure. 13) Draw the functional block diagram of a measurement system. 23. ans. 6. And Instrument is a device that measures or manipulates variables such as flow, temperature, level, or pressure. The best sets are very accurate, and must be kept in tightly controlled conditions. The maximum and minimum permissible sizes within which the actual size of a Component lies are called Limits. “Something that is set up & established by an authority as a rule of the measure of the quantity, weight, extent, value or quality” Ex: A meter is a standard established by an international organization for the measure of length. This site uses Akismet to reduce spam. courses of study iit gandhinagar. Viva Question For Mechanical Measurement Metrology Download. Click the below link to download complete notes of 17ME36B 17ME46B Mechanical Measurements and Metrology Sensitivity is the ratio of the magnitude of the output quantity (response) to the magnitude of input quantity. For ex, in electrical measuring systems, the detector stage receives energy from the signal source, while the intermediate modifying devices and output indicators receive energy from auxiliary source. Hysteresis is a phenomenon which depicts different output effects when loading and unloading. Precision of an instrument indicates its ability to reproduce a certain reading with a given accuracy. 8. indian institute of science bangalore iisc ac in. RE: Mechanical measurement - Mechanical Engineering test questions -Afsar Khan (12/23/16) Question 49. Define vibration. Loading effect: The presence of a measuring instrument in a medium to be measured will always lead to extraction of some energy from the medium, thus making perfect measurements theoretically impossible. My answer to What are the viva questions for fluid mechanics lab?Answer by Arûn Râinâ:Flow measurement devices.What is meant by calibration?What is meant by coefficient of discharge?What is the use of Venturimeter?What is the use of measuring tank?What is discharge? DUMMY STRAIN GAUGE USED FOR TEMPERATURE COMPENSATION IS THEA RIGHT ANSWR Dictionary com s List of Every Word of the Year. Name two advantages of … The topics covered are the basics of transducers and the measurement of force, torque, strain, temperature, and pressure. Control System Interview Questions. interview questions on strength of materials questions. Your email address will not be published. Gage Pressure It represents the difference between the absolute pressure and the local atmosphere pressure Vacuum It is an absolute pressure less the Free PDF Books. Define Standard with an example. Explain the principle of working of a L.V.D.T When the number of elements connected performs a specific function then the group of elements is said to constitute a system or interconnection of various components for a specific task is called system. What is Tolerance? 6. 18. Metrology is concerned with the establishment, reproduction, conservation and transfer of units of measurement & their standards. Metrology may be divided depending upon the 10. To reduce the cost of inspection & rejections and rework. It is the pressure exerted by the earth’s atmosphere and is usually measured by a barometer. Why is a micrometer used for precise measurement of components in mechanical engineering? (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. Mechanical Measurement and Control, MMC Questions For placement and exam preparations, MCQs, Mock tests, Engineering Class handwritten notes, exam notes, previous year questions… To monitor an event or an operation. 7. Define transducer? (4) Figures to the right indicate full marks. Its sensitivity would be a 10 cm/mV. It is the degree of agreement between repeated results. It is a branch of engineering that is related to industrial application of mechanics and with the tools, machinery and their products. Signal Conditioning a. Instrumentation Amplifier ... control engineering must often consider the control of poorly understood systems such as chemical process systems. Read the study material before making an attempt so that you build your confidence in the subject. a standard). 1. There are different quality levels for gages blocks. Give the importance of calibration. This goes from choosing the right measuring range, choosing the diameter of the dial, to preventing the pressure gauge from being subject to vibrations and even more of this kind of choices. 36. What is Precision? Engineering Metrology And Measurements Objective Questions. Metrology Interview Questions and Answers For Mechanical Student. It is essential that the procedure and apparatus Each material expands at a different rate. The degree of exactness (closeness) of a These are of robust construction and compact design. Metrology is the process of making extremely precise measurements of the relative positions and orientations of different optical and mechanical components. 100% accurate measurements cannot be made at all the times. 13) Draw the functional block diagram of a measurement system. ... it is used for storing the waveform in a digital form. Metrology is the process of making extremely precise measurements of the relative positions and orientations of different optical and mechanical components. link to Hydraulic seals - Definition, Types, Diagram , Function, Failure, Application, link to Slotter Machine - Types, Parts, Operations, Diagram, Specification. To maintain the accuracy of measurements through periodical calibration of the instruments. The difference between two indicated values or results determined from a Supposedly fixed time value. Through a mechanical arrangement, the force being sensed deforms a strain gauge. Leave a Reply Cancel reply. A plug gage goes into a hole, a ring gage surrounds a dimension. Metrology includes all theoretical and practical aspects of measurement. efficient and useful 15 GB of storage less spam and. Specially developed for the Mechanical Engineering … When junctions of this type are used to measure temperature, they are called as thermocouples. EXPNO.1 MEASUREMENT OF RESISTANCE USING WHEATSTONE BRIDGE. 1. It may be considered as a vertical shaper. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced. Adaptation by Manik and Dhanesh/ TMH Learn how your comment data is processed. 17. Define fits. Required fields are marked *. It is a collection of quantitative data. He also likes to write articles related to the mechanical engineering field and tries to motivate other mechanical engineering students by his innovative project ideas, design, models and videos. Dictionary Com S List Of Every Word Of The Year. Why is an allowance different from a tolerance? The machine operates... LearnMech.Com is a Mechanical Project-oriented platform run by Sachin Thorat who is a B-Tech Graduate in Mechanical Engineering. Explain the operation of Wheatstone bridge. 11. Electrical Measurement Lab Viva Questions Electrical Measurements VIVA questions :-1. what is measurement? 1. Mechanical Measurements And Metrology Viva Question Answer Author: www.ftik.usm.ac.id-2020-10-28-12-24-04 Subject: Mechanical Measurements And Metrology Viva Question Answer Keywords: mechanical,measurements,and,metrology,viva,question,answer Created Date: 10/28/2020 12:24:04 PM These are unaffected by variations due to external source of energy such air, electricity etc. Learners will develop the skills needed to select and use Mechanical Measurement and Control, MMC Questions For placement and exam preparations, MCQs, Mock tests, Engineering Class handwritten notes, exam notes, previous year questions… 2. Error may be defined as the difference between the best measured or indicated value and the true or actual value. Comments. To restore equilibrium, the fluid flows from regions of higher pressure t regions of lower pressure. Published February 13, 2017. Question 32. Define Discrepancy. Accuracy of an instrument indicates the deviation of the reading from a known input. These are used in situations where it is difficult to mount the component on the sine bar. Set - 1 - Mechatronics - This test comprises of 30 questions on Mechatronics. press fit, running clearance). 4. Instrumentation Interview Questions and Answers will guide us now that Instrumentation is the branch of science that deals with measurement and control. What Type Of Control Valves Used In The Industry ? Metrology may be divided depending upon the Introduction Mechanical Measurement & Metrology (2141901) Department of Mechanical Engineering Page 1.2 Darshan Institute of Engineering & Technology, Rajkot 1.1 Introduction Metrology is a science of measurement. It represents the summation of atmospheric pressure and gauge pressure. 8. Measurement Science Online notes , Objective and Interview Questions, Basic Concept Of Measurement | Interview Question and Answers, Mechanical Interview Question and Answers for Mechanical, Linear and Angular Measurement | Interview Question and Answers, Basic Of Measurement | Metrology Interview Question and Answers, Advanced Metrology | Measurement Interview Question and Answers, Casting Process- Mechanical Interview Questions with answers, Fluid Mechanics Interview Questions with Answers For Mechanical Students. In an open loop control system (a) Output is independent of control input (b) Output is dependent on control input (c) Only system parameters have effect on the control output (d) None of the above Ans: a. Measurement of gear tooth profile using gear tooth vernier /Gear tooth micrometer 8. Since this comparison cannot be perfect, measurements inherently include error. All of the chapters have been supplemented with new or improved exam-ple problems and exercises. In this post Measurement / Metrology Engineering related interview questions with answers are shared which may frequently asked at the time of interview ,viva or oral examination specially For interview Quality Inspector . Course Outline; Announcements; Courses Offered; Materials; Publications; Mechanical Measurement and Metrology [17ME46B] Assignment; Question Bank; MMM LAB VIVA Questions; Subpages (3): Assignment MMM-Notes Question Bank. What effect will temperature variation have on precision measurements? ans. To assess the measuring instrument capabilities and ensure that they are adequate for their specific measurements. 1) what is Mechanics? Atmospheric Pressure: An instrument is said to exhibit hysteresis when there is a difference in readings depending on whether the value of the measured quantity is approached from higher value or from a lower value. A discussion on types of control valves and control valve actuators was added to Chapter 10 and the section on control valve sizing was expanded and improved. 15. (2) Attempt any three from the remaining questions. Define sensitivity. Metrology is the science of measurement. Although the LVDT is a displacement sensor, many other physical quantities can be sensed by converting displacement to the desired quantity via thoughtful arrangements. Very good excellent website for achieving in technology field all Engineer, Your email address will not be published. Additionally, he has interested in Product Design, Animation, and Project design. 106 TOP CONTROL SYSTEMS LAB VIVA Questions and Answers PDF. 25. Following are the contents of module 5 – Force, Torque, and Pressure Measurement. The process of determining the amount, degree, or capacity by comparison (direct or indirect) with the accepted standards of the system units being used. The bast sets are used for calibrating others. dictionary com s list of every word of the year. ∗ Meeting the requirements of ISO 9000 & 17025. It gives only the difference between actual and standard dimension of the work piece. Advantages of Mechanical Comparator: 39. What is its unit?What is mass flow rate? There are standard for different types of fits (e.g. Oil under pressure is moving in every hydraulic circuit. It is a branch of engineering that is related to industrial application of mechanics and with the tools, machinery and their products. For the measurement of low resistances, Kelvin’s double bridge has high accuracy because: It has two set of ratio arms which eliminates effect of resistance of connecting lead It has a null indicating galvanometer 21. At sea level. Educational and Research. Mechanical Measurement and Metrology [17ME46B] Search this site. What is the difference between precision and accuracy? Name the different types of comparator? Mechanics is sub divided into three Branches; Mechanics of rigid bodies, Mechanics of deformable Measurements of Surface roughness, Using Tally Surf/Mechanical Comparator 7. Take the Quiz and improve your overall General Knowledge. The process of determining the amount, degree, or capacity by comparison (direct or indirect) with the accepted standards of the system units being used. Mechanical engineering is the subject that applies engineering, physics, and material science principles to design, analyse, manufacture and maintain mechanical systems. 8. There are 9 questions to be attended in 20 minutes. If these tolerances are controlled the final product will work as planned. Temperature control during measurement is important because as materials are heated they expand. What are slip gauges? Yard is defined as distance between the two central traverse lines of the gold plug when the temperature of the bar is at 62º F (Imperial Standard yard). This conversion is indirect and happens in two stages. Questions on Mechatronics system & Their Functions, Measurement System, Control System, Data Acquisition System, PLC Programming, Thermal System, Fluid System, Control Actions & On-Off … 14. Range represents the highest possible value that can be measured by an instrument or Range is the difference between the largest & the smallest results of measurement. Q. Assuming that measurement is linear all across the scale. It is measure of the speed of response of a measuring system and a short rise time is desirable. 2. These are supplied by a designer to ensure the correct function of a device. Metrology is concerned with the establishment, reproduction, conservation and transfer of units of measurement & their standards. It is used for measurement of an angle of a given job or for setting an angle. Define Resolution or Discrimination. 14) Mention the purpose of the measurement. G 2)/(1 + G c. G 1. 4. Questions on Mechatronics system & Their Functions, Measurement System, Control System, Data Acquisition System, PLC Programming, Thermal System, Fluid System, Control Actions & On-Off … ans. 22. ∗ Correct diagnosis of illness (medical reports) (3) Draw neat diagrams wherever necessary. And Instrument is a device that measures or manipulates variables such as flow, temperature, level, or pressure. System response: Response of a system may be defined as the ability of the system to transmit & present all the relevant information contained in the input signal & to exclude all others. 1. The relationship existing between two parts, shaft and hole, which are to be assembled, with respect to the difference in their sizes is called fit. Why is an allowance different from a tolerance? ∗ International acceptance of test/calibration reports Resolution is defined as the smallest increment of input signal that a measuring system is capable of displaying or Measurement resolution which is the smallest change in the underlying physical quantity that produces a response in the measurement. 26. Comparator is a precision instrument used for comparing dimensions of a part under test with the working standards. le live How can a vernier scale provide higher accuracy? 4. Absolute Pressure: It is the pressure measured with reference to the Zero pressure or perfect vacuum. If the dimension is less or greater than the standard, then the difference will be shown on the dial. What are measurement standards? Lab Viva Questions Anna University EEE CSE IT ECE EIE. 15) What are the methods of measurement? Define measurements. It is impossible to make anything to an exact size, therefore it is essential to allow a definite tolerance. 19. Viva question for mechanical measurement metrology Bing. 9. What is thermocouple? ans. 5. How do you define yard? 5. Ex: 1 mV recorder might have a 10 cm scale. Mention its unit?What is volume flow rate?… As a result, measured values are more accurate. Tags. To prepare designs for gauges and special inspection fixtures. 5. That said, I use calipers all the time and use a mic when I need to. It is the actual magnitude of the input signal to a measuring system which may be approximated but never truly be determined. In this post Measurement / Metrology Engineering related interview questions with answers are shared which may frequently asked at the time of interview ,viva or oral examination specially For interview Quality Inspector . Its value is close to 1.013 x 105 N/m2 absolute and decreases with altitude. This presentation gives the information about mechanical measurements and measurement systems of the subject: Mechanical measurement and Metrology (10ME32/42) … Slideshare uses cookies to improve functionality and performance, and to … Measurement is a process or an act of comparing a quantitatively an unknown magnitude with a predefined standard. Mechanical Measurements & Metrology Lab Viva Questions and Answers Pdf Download :: Your email address will not be published. The linear variable differential transformer (LVDT) (also called just a differential transformer) is a type of electromechanical transformer used to convert linear displacement into electrical signal. Some things need to be measured in 1/10000ths of an inch (e.g. For Example, consider the measurement of a length of a bar. Define system response. Save my name and email in this browser for the next time I comment. Mechanical Measurements & Metrology Lab (15MEL47B) IV Semester 1 PART – A MECHANICAL MEASUREMENTS LAB INTRODUCTION Measurement: Measurement is the act or the result of a quantitative comparison between a predetermined standard and an unknown magnitude. Learners will be introduced to principles of measurement and the use of comparators and gauges, along with sampling and statistical process control (SPC). mechanical measurements and metrology viva question answer cempalavras pt. 40. Courses Of Study IIT Gandhinagar. Atmosphere pressure: It is the pressure exerted by the air molecules on the object. Metrology Interview Questions and Answers For Mechanical Student. To collect data for future analysis; To validate an engineer design. It means, to determine the dimension, quantity or capacity of something. This is the eighth of the series of 9 questions paper that will appear before the RRB examination for SSE and JE to be held in Dec. What are advantages and disadvantages of mechanical comparator? Why are different grades of gauge blocks used? 10. Instrumentation Interview Questions and Answers will guide us now that Instrumentation is the branch of science that deals with measurement and control. The loading effects are due to impedances of various elements connected in a system. 9. Classified in different ways, they are: Systematic error, Random errors and illegitimate errors. Metrology includes all theoretical and practical aspects of measurement. Course Outline; Announcements; Courses Offered; Materials; Publications; MMM LAB VIVA Questions. A Load cell is a transducer that is used to convert a force into an electrical signal. It is the difference between the upper limit and the lower limit of a dimension. In dynamic pressure, there exists a pressure gradient within the system. 29. ans. Measurement of gear tooth profile using gear tooth vernier /Gear tooth micrometer 8. Range is limited as the pointer moves over a fixed scale. RTU Paper is the India'a biggest portal which provides previous year RTU papers. The simple linear scales are easy to read. So that high amplitude signals may be displayed, an attenuator network is placed between the vertical input terminals of the vertical amplifier. an understanding of a range of techniques and equipment commonly used in mechanical measurement and inspection. This leads to distortion of parts and measuring devices that results in measurement errors. Define Accuracy. These are often interchanged because we are usually concerned with the accuracy when producing precision parts. 10. Le Live Marseille aller dans les plus grandes soirées. O. When the number of elements connected performs a specific function then the group of elements is said to constitute a system or interconnection of various components for a specific task is called system. It is the extension of sine bars where two ends are provided on which centers can be Clamped. There are two There are number of moving parts which create problems due to friction, and ultimately the accuracy is less. Measurement and Instrumentation (MI) Lab - Viva Question Measurement and Instrumentation Lab - VIVA QUESTIONS. These standards are used to calibrate and verify measuring instruments. atmospheric pressure i.e. What is Range? He also likes to write articles related to the mechanical engineering field and tries to motivate other mechanical engineering students by his innovative project ideas, design, models and videos. To understand an event or an operation. Required fields are marked *. the output signals have the same phase relationships as that of input signal, the system is said to have good System response. 2. what is accuracy of a measurement? How are a ring gauge and a plug gauge different? When a particle goes on one side from mean position and returns back and then it goes to other side and again returns back, then it is known as one vibration. A measuring system is said to be a linear if the output is linearly proportional to the input. G 2. Introduction, basic concepts, and principles of Measurement of strain and temperature. Currently, he is working in the sheet metal industry as a designer. 30. Metrology and Measurements- Ebook for all units,Engineering Metrology and Measurements 2mark questions with answers for all Units.Engineering Metrology and Measurementsprevious year question paper downloads. No measurement can be made without errors at all times i.e. 1. For open control system which of the following statements is incorrect ? These specify the allowance of two parts, so that they may be made separately and then joined (mated) in an assembly.
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