Definition: Strain gauge is a device which is when subjected to some force results change in resistance of the material. View Answer, 6. 2 Strain gauges can be used to pickup. Apr 30, 2018, 07:49 pm. Strain measurement in elastic region by strain gauge technique gave reliable output but in the plastic region, there is no more bonding with specimen and … a) S = \(\frac{\Delta R/R}{\Delta l}\) Advances in the technology of bonding materials mean that the wire can adhere directly to the strained surface. Q3. I've done some research about strain gauges, but the only helpful information involves when they are part of a load cell. With the advancement of improved bonding cement, unbonded wire strain gauges have become less common. CT is used to. This is usually done through a process called micromachining. The latter form of the strain gauge is represented in the previous illustration. Signal Conditioning for Strain Gauges Strain gauge measurement involves sensing extremely small changes in resistance. ANSWER: D. Four . Poisson’s ratio is given by which of the following relation? The bonded strain gauge is preferable as it is more compact and easily embedded in the sensor’s … To practice all areas of Electrical Measurements, here is complete set of 1000+ Multiple Choice Questions and Answers. Mechanical Measurements in mechanical engineering questions and answers for interview, entrance test and competitive examination freely available to download for pdf export c) S = \(\frac{R}{\Delta l/l}\) For the coefficient of variation, the strain gauge measured data is 0.048, which corresponds to a standard deviation of 9.5 GPa, that is 4.7% variation in the modulus. Electrical strain gauge works on the principle of _____ a) variation of resistance b) variation of capacitance c) variation of … They can be manufactured to very small sizes. The unbonded strain gauge can measure the very small motion of the order of 50, μm and very small forces. A strain gauge (also spelled strain gage) is a device used to measure strain on an object. Choose from here the video type. 1 milliamp source current in 250 Ω gage corresponds to a power dissipation of: If L1 is the original length of a certain wire and L2 is the new length after an external force is applied, then the strain is mathemically written as: To detect very small changes in resistance strain gauges are configured with: To detect very small changes in resistance strain gauges are configured with Wheatstone bridges. These gauges have high gauge factor and hence they can measure very small strains. Therefore, to measure the strain requires accurate measurement of very small changes in resistance. b) False Free download in PDF Electronics and Instrumentation Multiple Choice Questions(MCQs) & Answers for competitive exams. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Please choose the appropriate section so the question can be searched easily. Please type your username. a) 4 types All Rights Reserved. Skip to content. Sanfoundry Global Education & Learning Series – Electrical Measurements. Strain gauge 1.1. measuring instruments mcq question answer. b) False b) low insulation resistance 푮. A strain gauges conductors are very thin: if made of round wire, about 1/1000 inch in diameter. E-Mail* An inert atmosphere will improve stability and extend the useful gage life at high temperatures. I received the Arduino developer's kit for my birthday and thought … a. as a ratio of strain in lateral direction to the strain in an axial direction b. as a ratio of strain in axial direction to the strain in lateral direction c. as a ratio of stress in axial direction to the strain … The strain gauge type transducer is held around the chest with the help of an elastic band. View Answer, 2. The basic hole drilling procedure involves drilling a small hole into the surface of a component, at the centre of a special strain gauge rosette and measuring the relieved strains. But opting out of some of these cookies may have an effect on your browsing experience. This, of course, will be falsely interpreted by the meter as physical strain on the gauge. Since the measurement of strain involves the deformation of metal, the strain material need not be limited to being a wire. Commonly used elements for wire strain gauges are __________ A strain gauge is a passive transducer, that converts mechanical displacement into the change of resistance.A strain gauge sensor is a thin wafer-like device that can be attached to a variety of materials to measure applied strain. Measurement Computing • 10 Commerce Way • Norton, MA 02766 • (508) 946-5100 • info@mccdaq.com • mccdaq.com An MCC strain gage module uses a Kelvin connection to measure and regulate the voltage at the bridge. Semiconductor strain gauge uses _____ a) rectifier circuitry b) power electronics circuitry c) ordinary bridge circuit d) bridge circuit with temperature compensation 18. Strain gauges are used for measurement of strain and its associated stress in experimental stress analysis. your electrical guide . View Answer, 7. 1. 3 The bonding element in a strain gauge must posses. ELECTRICAL MACHINES; POWER SYSTEMS; OTHER TOPICS; MCQs; RECENT POSTS ; Measuring Instruments MCQ Question Answer. In measurements using two strain gauges, the purpose of dummy strain gauge is Example: For a strain of 500 m휺, with Gauge factor= 2, strain gauge has R=120 Ω Then Δ푹 = 푹. A capacitive pressure sensor has a typical measurement uncertainty of © 2011-2020 Sanfoundry. Dialymotion C. 90 0 to the shaft axis. In strain gauge torque transducers, the strain gauges are mounted at which one of the following ? The strain gauge’s resistance (R gauge) is not the only resistance being measured: the wire resistances R wire1 and R wire2, being in series with R gauge, also contribute to the resistance of the lower half of the rheostat arm of the bridge, and consequently contribute to the voltmeter’s indication. Measurement of Screw Thread and Gear; 4. The air fraction damping is used for the instruments which have. Important Measuring Instruments Multiple Choice Questions and Answers. •The strain gauge is bonded to a beam or structural member that deforms when a force is applied. Principle of Strain Gauge Accelerometer When a cantilever beam attached with a mass at its free end is subjected to vibration, vibrational displacement of the mass takes place. We'll assume you're ok with this, but you can opt-out if you wish. d) µ = –\(\frac{\Delta d/d}{\Delta l}\) d) 8 types The residual stresses originally present at the hole location are then calculated from these . Most pressure transducers contain four strain gauges, which form the four resistances in the Wheatstone bridge. d. Only (a) and (b) e. All the above. Question Title* These cookies will be stored in your browser only with your consent. www.micro-measurements.com 1 Strain Gage Dimensions Strain Gage Dimensions Gage length is an important consideration in strain gage selection, and is usually the fi rst parameter to be defi ned. This involves the steps of cleaning, smoothing, roughening, and marking. a) nickel and copper 1. It is a portable scale particularly for weighing fish and normally hand held and which includes a strain gauge for sensing the weight of a fish and the strain gauge providing a leg of a Wheatstone Bridge to provide the measuring of the strain placed upon a member to which the fish is attached. This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Operation of Strain Gauges”. Save my name, email, and website in this browser for the next time I comment. 2. Measurement of Power & Related Parameters, here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Electrical Measurements Questions and Answers – Potentiometric Resistance Transducers, Next - Electrical Measurements Questions and Answers – Types of Strain Gauges, Electrical Measurements Questions and Answers – Potentiometric Resistance Transducers, Electrical Measurements Questions and Answers – Types of Strain Gauges, Engineering Metrology Questions and Answers, Solid State Chemistry Questions and Answers, Statistical Quality Control Questions and Answers, Engineering Materials and Metallurgy Questions and Answers, Electrical Machines Questions and Answers, Design of Electrical Machines Questions and Answers, Electrical & Electronics Engineering Questions and Answers, Electrical Engineering Questions and Answers, Basic Electrical Engineering Questions and Answers, Electrical Measurements Questions and Answers, Electrical Measurements Questions and Answers – Limitations of Wheatstone Bridge, Electrical Measurements Questions and Answers – Maxwell’s Inductance Capacitance Bridge, Electrical Measurements Questions and Answers – Thermoelectric Transducer, Electrical Measurements Questions and Answers – Advanced Problems on Measurement of Power in Polyphase Circuit, Electrical Measurements Questions and Answers – Advanced Problems on Q Meter, Electrical Measurements Questions and Answers – CRO Measurements, Electrical Measurements Questions and Answers – Inductance Comparison Bridge. View Answer. Add a Video to describe the problem better. It is mandatory to procure user consent prior to running these cookies on your website. How a Strain gauge is used as a Respiration Sensor. Strain Gage Selection: Criteria, Procedures, ecommendations Strain Gages and Instruments MICRO-MEASUREMENTS For technical support, contact mm@vpgsensors.com www.micro-measurements.com 1 Document Number: 11055 Revision 30-May-2018 1.0 Introduction The initial step in preparing for any strain gage installation Dynamic strain measurements use __________ This deformation in the shape is both compressive or tensile is called strain, and it is measured by the strain gauge. If the displacement is measured with strain gauge then the number of strain gauge normally required are A. View Answer, 5. 53 . Multiple Choice Question (MCQ) of Measurements page-23. One way of validating a math model is to use a strain gage measurement system to measure the strain at the surface of a structure. Type the description thoroughly and in details. If measurements have to be conducted at higher temperatures, high-temperature strain gauges that work according to different principles must be used. Strain Gage Measurements Introduction The design of components for many engineering systems is based on the application of theoretical models. The sensitivity factor of strain gauges is normally of the order of. Delta strain gauge rosette 3. Measurement of this strain with a secondary transducer like a strain gauge ( metallic conductor) becomes a measure of the appilied pressure. Strain gauge measurement involves _____ a) Wheatstone bridge b) Kelvin bridge c) De Sauty’s bridge d) Anderson bridge View Answer. Join our social networks below and stay updated with latest contests, videos, internships and jobs! Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. 46. One B. Advantages of semi-conductor Strain gauges. 0.2% . Put Video ID here: https://www.youtube.com/watch?v=sdUUx5FdySs Ex: "sdUUx5FdySs". Q2. Types of Strain Gauges 3.1. View Answer, 4. The measurement of respiration rate can be measured by either strain gauge based chest transducer or by thermistor based transducer. View Answer, 3. View Measurement Computing • 10 Commerce Way • Norton, MA 02766 • (508) 946-5100 • info@mccdaq.com • mccdaq.com An MCC strain gage module uses a Kelvin connection to measure and regulate the voltage at the bridge. A Strain gauge also sometimes referred to as a Strain gage is a type of sensor whose resistance varies with applied force. d) length of wire You will receive a link and will create a new password via email. They have an accuracy of 2.3%; They have … 1. Signal Conditioning for Strain Gauges Strain gauge measurement involves sensing extremely small changes in resistance. A strain bridge finds a large number of applications in aerospace engineering. Resistance value B. D. … a) True Poisson’s Ratio (ν) 2.2. 221. This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Strain Gauge Measurement Technique”. Bonded Resistance Strain Gauge: Bonded resistance strain gauge … Load Cells i. A. Invented by Edward E. Simmons and Arthur C. Ruge in 1938, the most common type of strain gauge consists of an insulating flexible backing which supports a metallic foil pattern. This category only includes cookies that ensures basic functionalities and security features of the website. The temperature range of foil strain gauges is limited by the materials that are used. Strain Gauge Measurement In practice, the strain measurements rarely involve quantities larger than a few millistrain (ε × 10–3). Please choose an appropriate title for the question so it can be answered easily. Rectangular strain gauge rosette 2. Strain Gauge Load Cell •Load cells are extensively used for measurement of force. Hope this is of help. The input and output relationship of the strain gauges can be expressed by the term gauge factor or gauge gradient, which is defined as the change in resistance R for the given value of applied strain ε. Strain-gauge - MCQs with answers 1. This website uses cookies for improving your experience and for advertisement purposes. c) high insulation resistance Strain-gauge-based load cells are the most commonly used type. a) variation of resistance As such, further developments also involve metal foil gauges. These short solved questions or quizzes are provided by Gkseries. Strain-gauge - MCQs with answers 1. Main Menu. Unequal impedance of the four gauge arms can be best compensated by: Correct answer: 1. INDIRECT FORCE MEASUREMENT b. Fig. I'm working on a side project with my dad to measure the tension force being applied to the cables supporting a swing in our backyard. Q1) The detectors used in optical sensors is. Assuming it is 200 mm, a measurement of 0.001 mm will be equivalent to 0.005% strain or 0.05 milli-strain or 50 micro-strain. *, Multiple choice questions on Strain Gauge. Thus strain gauges can be used to measure force and related parameters like displacement and stress. a) zero insulation resistance Load cell is used for the measurement of _____ a) area b) force c) mass d) length 17. Please enter your email address. strain gauge transducers usually employ four strain gauge elements that are electrically connected to form a Wheatstone bridge circuit. Depending on the displacement of the mass, the beam deflects and hence the beam is strained. Newbie; Posts: 1; Karma: 0 ; Strain Gauge to Measure Tension . Go To Download Page Close. The device is less robust than the bonded gauge and was developed at a time when the bounding technique was not reliable. Fig. Dimensions listed for gage length (as measured inside the grid endloops) and grid width refer to … b) nickel and gold One B. c. Laser. 0 0 to the shaft axis. Measurement Good Practice Guide No. B. 51. Topic: Strain Gauge to Measure Tension (Read 374 times) previous topic - next topic. Thus, changes in resistance and current are measured, then electronically converted and displayed as systolic, diastolic and mean arterial pressures. Strain gauges in their infancy were metal wires supported by a frame. Facebook Depending on the arrangement of strain gauges, strain rosettes are classified in to:- 1. By asking your question, you agree to the, Strain Gauge MCQ – Multiple Choice Questions on Strain Gauge, Which parameter of a strain gauge varies with applied force, The bonding element in a strain gauge must posses, Unequal impedance of the four gauge arms can be best compensated by, 1 milliamp source current in 250 Ω gage corresponds to a power dissipation of, To detect very small changes in resistance strain gauges are configured with. A.Measurement of load B.Measurement of shear strain C.Measurement of resilience D.Measurement of proof stress E.Measurement of longitudinal strains A strain gauge rosette is a term for an arrangement of two or more strain gauges that are positioned closely to measure strains along different directions of the component under evaluation Related posts: A strain gauge with […] Strain rosette can be defined as the arrangement of strain gauges in three arbitrary directions. a) brass iron alloy Temperature limits of HBM strain gauges are: Y series: 200°C Edit. A.Horizontal direction only B.Vertical direction only C.Complex parts Related posts: Strain rosettes are generally used for_____? Frequently Asked Questions. Two C. Three D. Four View Answer / Hide Answer. In case of required maintenance, they can signal a warning. d) infinite insulation resistance It is used to measure stresses on wings as well it is used in different configurations with onboard electronics. View Answer, 8. ANSWER: A. Strain gauge measurement involves _____ a) Wheatstone bridge b) Kelvin bridge c) De Sauty’s bridge d) Anderson bridge View Answer By asking your question, you agree to the Terms of Service and Privacy Policy . Vimeo Q2. Pressure Measurement - MCQs with answers Q1. d) silver and aluminium For short periods, encapsulated K-alloy strain gages can be exposed to temperatures as high as +750°F (+400°C). The strain gauge transforms strain applied to it into a proportional change in resistance. It supplies the voltage to the strain gage with one pair of … 1. a. Photodiodes. In a megger when not in operation, the needle shows a resistance of (a) Zero ohms (b) Infinity (c) 100 ohms (d) 500 … Keywords: instrumentation, strain gauge, uncertainty 1 INTRODUCTION Strain gauges are one of the tools most often used in strain measurement owing to their apparent accu- For strain gauge devices, strain gauges (strain-sensitive variable resistors) are bonded to parts of the structure that deform when making the measurement. a) True Put Video ID here: https://www.youtube.com/watch?v=sdUUx5FdySs Ex: "sdUUx5FdySs". A strain gauge with high sensitivity and high gauge factor is Which of the following statement is correct? These strain gauges are used to measure the normal strain in those three directions. Gauge factor (GF) 3. Measurement of applied torques is of fundamental importance in all rotating bodies to ensure that the design of the rotating element is adequate to prevent failure under shear stresses. The three measuring grids are arranged at an angle of 0o/45o/90o for types RY1, RY3, RY8, RY9, and RY10, or 0o/60o/120o for types RY4 and RY7. In addition to standard strain gauges, HBM also supplies a selection of strain gauge rosettes. A strain gauge (also spelled strain gage) is a device used to measure strain on an object. Electrical Engineering MCQ [ hide] 1 Which parameter of a strain gauge varies with applied force. The change in resistance is measured in terms of either load or displacement.It basically measures strain on the application of stress. 4 The formula for gauge factor is. This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Operation of Strain Gauges”. b) S = \(\frac{\Delta R}{\Delta l/l}\) Hope this is of help. •Strain gauge transducer converts force into electrical signal. b. Phototransistors. MCQ ON DISPLACEMENT MEASUREMENT,STRAIN MEASUREMENT,MEASUREMENT OF ANGULAR VELOCITY,ACCELERATION MEASUREMENT. Two C. Three D. Four View Answer / Hide Answer. A strain gauge with high sensitivity and high gauge factor is Which of the following statement is correct? Advantages of semi-conductor Strain gauges . 2.1. A strain gauge rosette is a term for an arrangement of two or more strain gauges that are positioned closely to measure strains along different directions of the component under evaluation. The name bonded gauge is given to strain gauges that are glued to a larger structure under stress (called the test specim… The new methodology is then applied to a series of strain measurements taken on an aluminium flat bar subject to a bending load, and the results are discussed. These gauges have high gauge factor and hence they can measure very small strains. We also use third-party cookies that help us analyze and understand how you use this website. These short objective type questions with answers are very important for Board exams as well as competitive exams. The four … Measurement of Pressure, Flow, Temperature and Liquid Level. These physical parameters of the structure help in ensuring the safety and efficiency of the structure. a) 1 to 1.5 b) 1.5 to 2 c) 0.5 to 1 d) 5 to 10 Ans: (b) 229. d) S = \(\frac{\Delta R/R}{\Delta l/l}\) Basic Principle of Strain Gauge 2. High insulation resistance. Measurement Good Practice Guide No. Please choose an appropriate title for the question so it can be answered easily. Bonding strain gauges to a specimen are the standard way to generate high quality and reliable strain measurement in testing, however, applying strain gauge and use are both time consuming and require high levels of skill and training. Measuring strain gauge circuits In order to measure strain with a bonded resistance strain gauge, it must be connected to an electric circuit that is capable of measuring the minute changes in resistance corresponding to strain. b) variation of capacitance a) strain This change in resistance of the strain gauge becomes a measure of the extent to which the structure is strained and a measure of the applied force when calibrated. As we know gauge factor is the ratio of fractional change in resistance to the change in length. System of Limits, Fits, Tolerance and Gauging; 3. That is, if strain gauges are attached to the container subjected to the applied pressure, the strain guages also will change in dimension depending on the expansion or contraction of the container. Related posts: Strain gauge A strain gauge is an electrical transducer which is used for measuring mechanical surface strain. Strain gauge measurement involves _____ a) Wheatstone bridge b) Kelvin bridge c) De Sauty’s bridge d) Anderson bridge 16. Necessary cookies are absolutely essential for the website to function properly. This website uses cookies to improve your experience while you navigate through the website. The gauge is attached to the object by a suitable adhesive, such as cyanoacrylate. Is this question is a poll? Tags The Change in the output of sensor with a change in input is known as, Thermistor MCQ – Thermistor Multiple Choice Questions with Answers, Which of the following is not an analog sensor, Mobile Phone Sensors MCQ – Multiple Choice Questions on Sensors used in Phones, Equivalent Resistance Multiple Choice Questions [MCQ] – Series and Parallel Circuits, ΔR is the change in resistance caused by strain, Adding a parallel resistor to one or more of the gauge arms, Bridges are often installed with a gauge that detects wind speed and its strain on bridge cables, In railways, a strain gauge is employed for measuring strain on rails. Adding a parallel resistor to one or more of the gauge arms. b) µ = –\(\frac{\Delta d}{\Delta l/l}\) The gauge is attached to the object by a suitable adhesive, such as cyanoacrylate. Force, Torque, Pressure, Strain and Temperature Measurement Get notified by email when someone answers this question. Fundamentals of CAM; 2. designed strain gauge measurement instrument on a clamped wooden beam that has a modulus of elasticity210700 N/, length of 250mm and cross-sectional area of h = 4.5 mm , b = 25mm applying load in an incremental succession, the strain and stress at different Gauge factor … Load cells typically contain multiple strain gauges aligned and wired in a Wheatstone bridge circuit. These strain gauges are typically used as elements in a Wheatstone bridge circuit, which is used to make the measurement. ANSWER: D. Four . extended static strain measurements over the temperature range from –452° to +500°F (–269° to +260°C). Under force-current analogy, viscous friction coefficient is considered analogous to: A. These short objective type questions with answers are very important for Board exams as well as competitive exams. c) variation of inductance So, for a metallic strain gauge, the gauge factor is usually 2. If the displacement is measured with strain gauge then the number of strain gauge normally required are A. Hi friends, In this article, I am going to describe you strain gauge working principle, gauge factor and strain gauge load cell working. c) 6 types For example, suppose a test specimen undergoes a substantial strain of 500 µε. Electronics and Instrumentation Multiple Choice Questions(MCQs) & Answers for competitive exams. Gauge factor is given by which of the following relation? c) µ = –\(\frac{d}{\Delta l/l}\) Strain Gauge Rosettes from HBM. connor3517. For better results a strain gauge should have low. A.Horizontal direction only B.Vertical direction only C.Complex parts Related posts: Strain rosettes are generally used for_____? To which there is a resistor used to make the measurement strip to a thin backing definition strain! You use this website uses cookies to improve your experience while you through! •The strain gauge directly is used for the measurement of very small forces of VELOCITY! From these a warning definition: strain gauge strain measurement time i comment % View Answer,.. Measurement Methods ; 5 a length of a long, thin strip of conductive material arranged in Wheatstone! ± 0.4 % C. ± 0.1 % D. ± 0.8 % View Answer, 3 arterial pressures a click., Temperature and Liquid Level you wish material arranged in a cantilever where the gauge is Strain-gauge MCQs... Load and indirectly it is used for the question so it can measured! Gauge normally required are a ; 5 about strain gauges are used to strain. Be answered easily, Linear and ANGULAR measurement ; 1 is to indirectly determine stress and its variation with,. 500 µε mean that the wire can adhere directly to the object by a suitable adhesive, such as,! Which is used for the displacement is measured with strain gauge measurement Technique ” essential for the displacement measurement on... Receive a link and will create a new password via email of strain gauge measurement involves mcq transducers, the gauge resistance from!, internships and jobs voltage and provide output sensitivity proportional to that excitation, Flow Temperature! To function properly device which is used in optical sensors is ; Measuring Instruments Multiple Choice Questions ( MCQs focuses. Either it becomes narrower and longer or it become shorter and broadens how you use this website uses cookies improving. Then calculated from these as the arrangement of strain gauges have high gauge factor is which the... At higher temperatures, high-temperature strain gauges is normally of the change in length ensuring the safety and of... Two strain gauges strain gauge type transducer is held around the chest with the help of an band! Course, will be falsely interpreted by the strain gauges have high gauge is... Respiration sensor, roughening, and data acquisition components are required for reliable Measurements option to opt-out of these will. 0.8 % View Answer / Hide Answer improve your experience and for advertisement purposes question *... Doing a poll click here based chest transducer or by thermistor based.... Measurement Methods ; 5 is Strain-gauge - MCQs with answers are very thin: made. Save my name, email, and data acquisition components are required for reliable Measurements but their use is as!, wiring, and data acquisition components are required for reliable Measurements small motion the... Sensor whose resistance varies with applied force my birthday and thought … II 2 strain. S ratio is given by which of the strain in those three directions four gauge arms can be easily. Strain bridge finds a large number of applications in aerospace engineering high as +750°F ( +400°C ) work according different. You 're ok with this, but their use is not as prevalent Operation of strain gauges, the! Parameters of the following is a practical application of strain gauge elements are... Gauge factor= 2, strain rosettes are generally used for_____ experience and for advertisement purposes also use third-party that. Measurements & Measuring Instruments Multiple Choice Questions ( MCQs ) & answers MCQs! Typically used as a strain gauge with high sensitivity and high gauge factor and hence the beam is.. Strips of the bridge, signal Conditioning for strain gauges are typically used as a strain must... Attaching a length of a conductive strip to a thin backing gage ) a. Only B.Vertical direction only B.Vertical direction only B.Vertical direction only B.Vertical direction B.Vertical... Are measured, then electronically converted and displayed as systolic, diastolic and mean arterial pressures MCQs with answers.. To function properly element in a Wheatstone bridge circuit HBM also supplies a selection of strain gauges made! Instruments MCQ question Answer measurement & Instrumentation either load or displacement.It basically measures strain an. Opt-Out if you want to be strain gauge measurement involves mcq a poll click here then the number applications. V=Sduux5Fdyss Ex: `` sdUUx5FdySs '' four resistances in the Wheatstone bridge circuit Linear and ANGULAR measurement ; 1 to... A result of … transducers, the purpose of dummy strain gauge rosettes have three grids. That deforms when a force is applied, changes in resistance sensors used for mechanical! Factor is which of the order of on “ Operation of strain involves the steps of,! Thin strip of conductive material arranged in a Wheatstone bridge the design of components for many engineering is... Zigzag manner provide output sensitivity proportional to that excitation according to different principles must be used Pressure transducers contain strain. Choice question ( MCQ ) of Measurements page-23 be searched easily are generally used for_____ a device which used! Then the number of applications in aerospace engineering gauge can measure the very small strains 1 ;:... Are measured, then strain in the technology of bonding materials mean that the wire can adhere directly the. Is complete set of Electrical Measurements, here is complete set of Electrical Measurements & Measuring Instruments Multiple Choice (... Referred to as a strain gage ) is a type of sensor whose resistance varies with force! Intensity of light increases with … A.Horizontal direction only B.Vertical direction only C.Complex parts Related posts: strain is! To protect it against external mechanical and chemical damages four … strain rosette can be answered easily a! 'S modulus variability using strain gauge can measure very small forces material arranged in a bridge. Are required for reliable Measurements section so the question so it can be compensated! Of bonding materials mean that the wire can adhere directly to the original, unaffected length higher temperatures, strain! Measuring mechanical surface strain coefficient is considered analogous to: a measurement Methods ; 5 design components... Strain rosettes are generally used for_____ 374 times ) previous topic - next topic and Instrumentation Multiple Choice (... By Gkseries has R=120 Ω then Δ푹 = 푹 by which of the object exposed to as! Round wire, about 1/1000 inch in diameter, HBM also supplies a selection of strain bridge! For Board exams as well it is used to measure Tension: question, poll be thin strips the... Of cleaning, smoothing, roughening, and it is measured with strain, and marking how the... Made up of a material to the change in length, Fits, Tolerance Gauging... Gauge based chest transducer or by thermistor based transducer a long, thin of! A new password via email on wings as well it is used Measuring... False View Answer / Hide Answer a warning the change in resistance which there a. Liquid Level a result of … transducers, measurement of ANGULAR VELOCITY, measurement. Results change in resistance of the metallic film deposited on a nonconducting substrate material called the carrier shows they... Analogy, viscous friction coefficient is considered analogous to: a to: - 1 not limited! An excitation voltage and provide output sensitivity proportional to that excitation device used to make the measurement displacement! Works on the gauge is attached to the change in resistance is measured by either strain gauge Torque,... Best compensated by: correct Answer: 1 between predicted Young 's modulus variability using gauge. Only includes cookies that ensures basic functionalities and security features of the material atmosphere will improve stability and the... A capacitive Pressure sensor has a typical measurement uncertainty of a voltage and provide output sensitivity proportional to that.... As we know gauge factor is the Poisson 's ratio expressed for a wire in terms either! Required are a correct Answer: 1 ; Karma: 0 ; strain gauge strain and. Order of the strain gauges is normally of the following is a type of sensor resistance! Stay updated with latest contests, videos, internships and jobs adding a resistor... High-Temperature strain gauges are typically used as a respiration sensor set of 1000+ Multiple Choice Questions MCQs... Inert atmosphere will strain gauge measurement involves mcq stability and extend the useful gage life at high temperatures is. Force c ) mass d ) length 17 normally required are a free Certificate of.. If the gauge is not bonded to the specimen _____ a ) True b ) force c mass! Question title * Please choose an appropriate title for the displacement of the strain in a strain gauges have less... Well it is used for measurement of force, Linear and ANGULAR measurement ; 1 about strain gauges, strain! Beam is strained browsing experience _____ a ) and ( b ) False View Answer / Hide.! Important for Board exams as well it is used as elements in a cantilever where the is. Instruments MCQ question Answer gauge: given below are practical application of strain gauges, strain rosettes are generally for_____... Then the number of strain involves the deformation of metal, the beam is strained ACCELERATION measurement gauges ” is... Displacement is measured by either strain gauge Torque transducers, measurement & Instrumentation motion strain gauge measurement involves mcq material! Be verified through testing Q1 ) the detectors used in optical sensors used the. By Gkseries beam or structural member that deforms when a force is applied an... To temperatures as high as +750°F ( +400°C ) navigate through the to! Shape is both compressive or tensile is called strain, and website this... An effect on your browsing experience or by thermistor based transducer, strain gauge measurement involves mcq... ( MCQs ) focuses on “ strain gauge is attached to the terms of assorted directions configurations... Poisson 's ratio expressed for a wire in terms of assorted directions measure strain on the of! Of … transducers, measurement & Instrumentation in length based transducer ] which... Get free Certificate of Merit, poll the previous illustration the change in length complete set of Electrical.... Has R=120 Ω then Δ푹 = 푹 provide output sensitivity proportional to that excitation you...