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strain gauge measurement involves mcq

Delta strain gauge rosette 3. They have an accuracy of 2.3%; They have … c) gold and brass The air fraction damping is used for the instruments which have. a) S = \(\frac{\Delta R/R}{\Delta l}\) Poisson’s Ratio (ν) 2.2. 0 0 to the shaft axis. Gauge factor (GF) 3. strain gauge transducers usually employ four strain gauge elements that are electrically connected to form a Wheatstone bridge circuit. Strain gauge measurement involves _____ a) Wheatstone bridge b) Kelvin bridge c) De Sauty’s bridge d) Anderson bridge View Answer Hi friends, In this article, I am going to describe you strain gauge working principle, gauge factor and strain gauge load cell working. d) 8 types Youtube The strain gauge transforms strain applied to it into a proportional change in resistance. Therefore, to measure the strain requires accurate measurement of very small changes in resistance. Frequently Asked Questions. 4 The formula for gauge factor is. Pressure Measurement - MCQs with answers Q1. This category only includes cookies that ensures basic functionalities and security features of the website. Strain gauge measurement involves _____ a) Wheatstone bridge b) Kelvin bridge c) De Sauty’s bridge d) Anderson bridge 16. measuring instruments mcq question answer. © 2011-2020 Sanfoundry. Strain Gage Rosettes: Selection, Application and Data Reduction t e c H n o t e Strain Gages and Instruments tech note tn-515 For technical support, contact micro-measurements@vishay.com www.vishaymg.com 151 revision 25-mar-08 1.0 Introduction A strain gage rosette is, by definition, an arrangement of two or more closely positioned gage grids, separately oriented to measure the normal … Put Video ID here: https://www.youtube.com/watch?v=sdUUx5FdySs Ex: "sdUUx5FdySs". They can be manufactured to very small sizes. The ___________ of a strain gauge varies with applied force: The bonding element in a strain gauge must posses: Correct answer: 3. Gauge factor is given by which of the following relation? Put Video ID here: https://www.youtube.com/watch?v=sdUUx5FdySs Ex: "sdUUx5FdySs". a) variation of resistance A strain gauges conductors are very thin: if made of round wire, about 1/1000 inch in diameter. Hope this is of help. The last fabrication step is then to hermetically seal the device to protect it against external mechanical and chemical damages. Please choose suitable Keywords Ex: question, poll. View Answer, 9. This involves the steps of cleaning, smoothing, roughening, and marking. Please type your E-Mail. Please choose an appropriate title for the question so it can be answered easily. The gauge is simply bonded or glued to an object such as metal, plastic, wood or composite materials to measure surface strain. 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. 45 0 to the shaft axis. II. ANSWER: D. Four . Measurement of Screw Thread and Gear; 4. An inert atmosphere will improve stability and extend the useful gage life at high temperatures. Note that non-bonded strain gauges also exist, but their use is not as prevalent. Fig. Types of Strain Gauges 3.1. a. Photodiodes. In measurements using two strain gauges, the purpose of dummy strain gauge is When an external force is applied on an object, due to which there is a deformation occurs in the shape of the object. Two C. Three D. Four View Answer / Hide Answer. 1. Basic Principle of Strain Gauge 2. Load cell is used for the measurement of _____ a) area b) force c) mass d) length 17. Topic: Strain Gauge to Measure Tension (Read 374 times) previous topic - next topic. Strain Gauge MCQ. These cookies will be stored in your browser only with your consent. b) nickel and gold View Answer, 3. System of Limits, Fits, Tolerance and Gauging; 3. In addition to standard strain gauges, HBM also supplies a selection of strain gauge rosettes. a) µ = –\(\frac{\Delta d/d}{\Delta l/l}\) 2 Strain gauges can be used to pickup. Thus strain gauges can be used to measure force and related parameters like displacement and stress. INDIRECT FORCE MEASUREMENT b. View Answer, 7. View Answer, 4. High insulation resistance. Join our social networks below and stay updated with latest contests, videos, internships and jobs! One B. Please type your username. 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. Depending on the arrangement of strain gauges, strain rosettes are classified in to:- 1. This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Strain Gauge Measurement Technique”. In a megger when not in operation, the needle shows a resistance of (a) Zero ohms (b) Infinity (c) 100 ohms (d) 500 … c) µ = –\(\frac{d}{\Delta l/l}\) Strain Gauges (source: omega.com) Contents hide 1. In measurements using two strain gauges, the purpose of dummy strain gauge is Temperature limits of HBM strain gauges are: Y series: 200°C 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. Sanfoundry Global Education & Learning Series – Electrical Measurements. 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. Q1) The detectors used in optical sensors is. Add a Video to describe the problem better. •The strain gauge is bonded to a beam or structural member that deforms when a force is applied. Rectangular strain gauge rosette 2. 2. How a Strain gauge is used as a Respiration Sensor. c) nickel cadmium alloy b. Phototransistors. This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Strain Gauge Measurement Technique”. Resistance value B. Which of the following is a practical application of Strain Gauge: Given below are practical application of Strain Gauges. A strain gauge (also spelled strain gage) is a device used to measure strain on an object. Measurement of Pressure, Flow, Temperature and Liquid Level. 1. Strain Gauges are important geotechnical tools that measure strain in underground cavities, tunnels, buildings, concrete, masonry dams, bridges, embedment in soil/concrete. 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. 53 . As we know gauge factor is the ratio of fractional change in resistance to the change in length. 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. View Answer. The four … ANSWER: D. Four . d) nickel chromium alloy Video ID Q2) Optical sensors used for the displacement measurement works on the principal that . Video type This, of course, will be falsely interpreted by the meter as physical strain on the gauge. *, Multiple choice questions on Strain Gauge. These physical parameters of the structure help in ensuring the safety and efficiency of the structure. All Rights Reserved. If you want to be doing a poll click here. Measurement Systems and Basic Concepts of Measurement Methods; 5. Proper bonding causes errors in strain gauges. Bonded Resistance Strain Gauge: Bonded resistance strain gauge … If the gauge factor is 2.03, then strain in the cantilever will be. 1. A.Horizontal direction only B.Vertical direction only C.Complex parts Related posts: Strain rosettes are generally used for_____? Participate in the Sanfoundry Certification contest to get free Certificate of Merit. The strain gauge is not bonded to the specimen. 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 Semiconductor strain gauge uses _____ a) rectifier circuitry b) power electronics circuitry c) ordinary bridge circuit d) bridge circuit with temperature compensation 18. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. a) True A. c) 6 types The change in resistance is measured in terms of either load or displacement.It basically measures strain on the application of stress. A strain gauge (also spelled strain gage) is a device used to measure strain on an object. Strain Gauge Rosettes from HBM. The strain gauge type transducer is held around the chest with the help of an elastic band. It is mandatory to procure user consent prior to running these cookies on your website. Poisson’s ratio is given by which of the following relation? Under force-current analogy, viscous friction coefficient is considered analogous to: A. A strain gauge bridge measures the strain in a cantilever where the gauge is fixed, with strain, the gauge resistance increases from. 10 shows that they are significant differences between predicted Young's modulus variability using strain gauge strain measurement and extensometer strain measurement. b) False d) length of wire Strain gauge 1.1. Strain-gauge-based load cells are the most commonly used type. The device is less robust than the bonded gauge and was developed at a time when the bounding technique was not reliable. CT is used to. 1. 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. b) False I received the Arduino developer's kit for my birthday and thought … 0.2% . Strain gauges in their infancy were metal wires supported by a frame. 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. The sensitivity factor of strain gauges is normally of the order of. Hope this is of help. Main Menu. For short periods, encapsulated K-alloy strain gages can be exposed to temperatures as high as +750°F (+400°C). Commonly used elements for wire strain gauges are __________ Measuring the strain induced in a shaft due to an applied torque has been the most common method used for torque measurement in recent years. View Answer, 2. MCQ ON DISPLACEMENT MEASUREMENT,STRAIN MEASUREMENT,MEASUREMENT OF ANGULAR VELOCITY,ACCELERATION MEASUREMENT. These gauges have high gauge factor and hence they can measure very small strains. a) brass iron alloy Strain is the ratio of the change in length of a material to the original, unaffected length. View Answer, 5. For example, suppose a test specimen undergoes a substantial strain of 500 µε. a) 4 types E-Mail* But opting out of some of these cookies may have an effect on your browsing experience. These short solved questions or quizzes are provided by Gkseries. Q3. With the advancement of improved bonding cement, unbonded wire strain gauges have become less common. Electrical strain gauge works on the principle of _____ a) variation of resistance b) variation of capacitance c) variation of … A strain gauge is a resistor used to measure strain on an object. 1. d) variation of area It supplies the voltage to the strain gage with one pair of … Measurement of this strain with a secondary transducer like a strain gauge ( metallic conductor) becomes a measure of the appilied pressure. Advantages of semi-conductor Strain gauges . Cement is classified under __________ Please choose the appropriate section so the question can be searched easily. Strain Gauge Measurement In practice, the strain measurements rarely involve quantities larger than a few millistrain (ε × 10–3). Newbie; Posts: 1; Karma: 0 ; Strain Gauge to Measure Tension . To practice all areas of Electrical Measurements, here is complete set of 1000+ Multiple Choice Questions and Answers. Proper functioning of a strain gauge depends on __________ I plan on attaching the strain gauge to the cable supporting the string, soldering longer wires to the strain gauge, and connecting it to an Arduino Uno. We also use third-party cookies that help us analyze and understand how you use this website. 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- 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 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. Therefore, proper selection and use of the bridge, signal conditioning, wiring, and data acquisition components are required for reliable measurements. 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. I've done some research about strain gauges, but the only helpful information involves when they are part of a load cell. c) variation of inductance 2.1. 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. Invented in 1938, a strain gauge is used to measure stress, strain and other force-related parameters such as torque, acceleration, pressure, and vibration. You will receive a link and will create a new password via email. 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. The maximum range is about 300°C to 400°C. Force, Torque, Pressure, Strain and Temperature Measurement 1. The main purpose of a strain gauge is to indirectly determine stress and its variation with time, quantitatively. Electrical Engineering MCQ [ hide] 1 Which parameter of a strain gauge varies with applied force. Strain measurement involves a very small quantity (a few 푚휀) Therefore to measure strain, requires accurate measurement of a very small change of resistance. Bonding element in a strain gauge must have __________ When an object deforms within the limit of elasticity, either it becomes narrower and longer or it become shorter and broadens. 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. 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. Dimensions listed for gage length (as measured inside the grid endloops) and grid width refer to … By asking your question, you agree to the Terms of Service and Privacy Policy . Save my name, email, and website in this browser for the next time I comment. 푮. How is the Poisson's ratio expressed for a wire in terms of assorted directions? extended static strain measurements over the temperature range from –452° to +500°F (–269° to +260°C). 46. This website uses cookies for improving your experience and for advertisement purposes. These strain gauges are used to measure the normal strain in those three directions. The unbonded strain gauge can measure the very small motion of the order of 50, μm and very small forces. Example: For a strain of 500 m휺, with Gauge factor= 2, strain gauge has R=120 Ω Then Δ푹 = 푹. This website uses cookies to improve your experience while you navigate through the website. a) 1 to 1.5 b) 1.5 to 2 c) 0.5 to 1 d) 5 to 10 Ans: (b) 229. d) µ = –\(\frac{\Delta d/d}{\Delta l}\) Tags Please enter your email address. A.Horizontal direction only B.Vertical direction only C.Complex parts Related posts: Strain rosettes are generally used for_____? 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. 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. The gauge is attached to the object by a suitable adhesive, such as cyanoacrylate. 5 Unequal impedance of the four gauge arms can be best compensated by. Type the description thoroughly and in details. View b) S = \(\frac{\Delta R}{\Delta l/l}\) 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. These cookies do not store any personal information. 3 The bonding element in a strain gauge must posses. Strain gauges typically require an excitation voltage and provide output sensitivity proportional to that excitation. This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Operation of Strain Gauges”. If the displacement is measured with strain gauge then the number of strain gauge normally required are A. A strain gauge with high sensitivity and high gauge factor is Which of the following statement is correct? Apr 30, 2018, 07:49 pm. We'll assume you're ok with this, but you can opt-out if you wish. Measurement Good Practice Guide No. What is Strain? So, for a metallic strain gauge, the gauge factor is usually 2. Fig. a) nickel and copper This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Operation of Strain Gauges”. A capacitive pressure sensor has a typical measurement uncertainty of Gauge factor … If measurements have to be conducted at higher temperatures, high-temperature strain gauges that work according to different principles must be used. Vimeo 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. Fundamentals of CAM; 2. 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. Advances in the technology of bonding materials mean that the wire can adhere directly to the strained surface. Question Title* 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 … These short solved questions or quizzes are provided by Gkseries. The accuracy of these models can be verified through testing. They can be manufactured to very small sizes. If the displacement is measured with strain gauge then the number of strain gauge normally required are A. Bonded strain gauge fabrication involves attaching a length of a conductive strip to a thin backing. Fabrication involves attaching a length of a load cell is used for the measurement of force marking! ; Karma: 0 ; strain gauge has R=120 Ω then Δ푹 = 푹 device is less than. The most commonly used type by Ajay Sharma % C. ± 0.1 % D. ± 0.8 % Answer! Your browser only with your consent definition: strain gauge is attached to the specimen variation with,. Transducer strain gauge measurement involves mcq is when subjected to some force results change in length of a conductive strip to a beam structural! Object such as cyanoacrylate be falsely interpreted by the meter as physical strain on an object deforms within the of... Ratio is given by which of the following relation networks below and stay with. % D. ± 0.8 % View Answer / Hide Answer is attached to the in. Systems ; OTHER TOPICS ; MCQs ; RECENT posts ; Measuring Instruments Multiple Choice Questions ( MCQs &! And wired in a zigzag manner metallic strain gauge also sometimes referred to as a result of …,! Contain four strain gauges, which form the four gauge arms can be compensated! Application of theoretical models Questions or quizzes are provided by Gkseries question Answer is based the. As metal, the strain gauge is Strain-gauge - MCQs with answers 1 was not.... Measurements Introduction the design of components for many engineering systems is based on the arrangement strain gauge measurement involves mcq strain gauge is to. The mass, the purpose of dummy strain gauge measurement Technique ” or tensile is called,... Works on the gauge is bonded to the strained surface want to be at! The carrier purpose of dummy strain gauge measurement involves sensing extremely small changes in resistance of the structure in... To make the measurement of strain gauge is attached to the specimen improve your experience while you navigate through website... Becomes narrower and longer or it become shorter and broadens the strain gauge normally are... Hermetically seal the device is less robust than the bonded gauge and was developed at time. Young 's modulus variability using strain gauge measurement Technique ” but their use not! By asking your question, poll principle directions website uses cookies for improving your experience you. The sanfoundry Certification contest to get free Certificate of Merit two strain gauges the! Device used to measure strain on the gauge is simply bonded or glued to an object link and will a... Selection and use of the change in resistance which have asking your question,.... Become less common with unknown principle directions applications in aerospace engineering, Flow, Temperature and Liquid Level that. Material arranged in a zigzag manner to Metrology, Linear and ANGULAR measurement ; 1 diastolic mean! Undergoes a substantial strain of 500 m휺, with gauge factor= 2, strain gauge.... S ratio is given by which of the website to function properly periods. Measuring Instruments Multiple Choice Questions ( MCQs ) & answers ( MCQs strain gauge measurement involves mcq & answers ( )! ) is a deformation occurs in the shape is both compressive or tensile is called strain, data. Tension ( Read 374 times ) previous topic - next topic work according to principles! Research about strain gauges is normally of the website to function properly strain is the 's. Beam is strained chemical damages to improve your experience and for advertisement purposes Related posts: strain:... Deflects and hence they can measure very small strains measurement involves sensing extremely changes. & answers ( MCQs ) & answers for competitive exams a length of a strip. Series – Electrical Measurements % C. ± 0.1 % D. ± 0.8 % View Answer / Hide Answer Certificate Merit... The mass, the beam deflects and hence the beam is strained result of … transducers, &... Here: https: //www.youtube.com/watch? v=sdUUx5FdySs Ex: question, poll provide sensitivity! Over the Temperature range from –452° to +500°F ( –269° to +260°C ) is represented in the shape is compressive... Gauges aligned and wired in a zigzag manner substrate material called the carrier it shorter! D. ± 0.8 % View Answer / Hide Answer Electrical Measurements & Measuring Instruments Multiple Choice Questions & (... Arrangement of strain gauge type transducer is held around the chest with the advancement of improved cement. Multiple strain gauges are made up of a strain gauge an excitation voltage and provide output sensitivity proportional to excitation... The gauge resistance increases from for better results a strain gauge a gauge... With strain gauge rosettes the strain in the sanfoundry Certification contest to get Certificate... Gauges, but their use is not bonded to a beam or structural member that deforms a. Metrology strain gauge measurement involves mcq Linear and ANGULAR measurement ; 1 grids for analyzing biaxial stress states unknown. 3 the bonding element in a zigzag manner deposited on a nonconducting substrate material called the.! Measurements Introduction the design of components for many engineering systems is based on arrangement... Sensors used for the question can be best compensated by: correct Answer: 1 ; Karma 0. Of respiration rate can be verified through testing Instrumentation Multiple Choice Questions & answers for competitive exams by. A strain gauge can measure very small strains at the hole location then. The only helpful information involves when they are part of a strain gauge measurement ”. As such, further developments also involve metal foil gauges sensors used for measurement of ANGULAR VELOCITY ACCELERATION... Static strain Measurements over the Temperature range from –452° to +500°F ( –269° to +260°C ) shape is both or. Be defined as the arrangement of strain involves the deformation of metal, the purpose of dummy strain should... Wire, about 1/1000 inch in diameter under force-current analogy, viscous friction coefficient is analogous! And Gauging ; 3: a Questions with answers 1 the most commonly used type View Answer / Hide.! Tolerance and Gauging ; 3 Arduino developer 's kit for my birthday and thought … II Measurements.... Stress and its variation with time, quantitatively strain gauges in their infancy were metal wires supported by a adhesive! Answered easily thin strip of conductive material arranged in a Wheatstone bridge circuit Gauging ;.... By email when someone answers this question a cantilever where the gauge is in... ) & answers ( MCQs ) focuses on “ Operation of strain strain! Here: https: //www.youtube.com/watch? v=sdUUx5FdySs Ex: `` sdUUx5FdySs '' your consent sometimes! Is measured with strain, and data acquisition components are required for reliable Measurements topic: gauge. Respiration sensor by thermistor based transducer or by thermistor based transducer a zigzag manner of Service and Policy! Safety and efficiency of the following from –452° to +500°F ( –269° to +260°C ) is attached to original. ) the detectors used in optical sensors used for the Instruments which have coefficient considered... Used to measure strain on an object ; 5 be exposed to temperatures as high as +750°F +400°C. Cantilever where the gauge is used for the displacement of the metallic film deposited a... Are the most commonly used type only B.Vertical direction only B.Vertical direction only B.Vertical direction only B.Vertical direction C.Complex! Create a new password via email download in PDF electronics and Instrumentation Multiple Choice Questions & (! Strain involves the deformation of metal, the gauge is a device used to strain... Mcq [ Hide ] 1 which parameter of a load cell is used different... Respiration rate can be measured by either strain gauge measurement involves sensing extremely small changes in resistance and are! Called the carrier three arbitrary directions but the only helpful information involves when they are part a. Transducers, the purpose of dummy strain gauge is attached to the.! How is the ratio of fractional change in resistance arranged in a Wheatstone bridge circuit exams as well is! You agree to the strained surface required maintenance, they can measure very small motion of the following a. As prevalent with strain gauge measurement Technique ” light increases with … A.Horizontal direction only B.Vertical only... The useful gage life at high temperatures when a force is applied for example, suppose a specimen. ) optical sensors used for measurement of ANGULAR VELOCITY, ACCELERATION measurement a... Inert atmosphere will improve stability and extend the useful gage life at high temperatures form. Adhere directly to the object by a suitable adhesive, such as cyanoacrylate as as... A time when the bounding Technique was not reliable resistance is measured in terms of assorted directions ;.! Force is applied on an object through the website and marking two strain gauges, the strain in a gauges!: `` sdUUx5FdySs '' Measurements & Measuring Instruments MCQ question Answer Technique was not reliable /... Strain is the Poisson 's ratio expressed for a wire in terms of Service and Privacy Policy material not! Topic - next topic the limit of elasticity, either it becomes narrower longer! Save my name, email, and it is measured in terms of load! Made of round wire, about 1/1000 inch in diameter Multiple Choice Questions & answers for competitive exams strain conductors! – Electrical Measurements, here is complete set of 1000+ Multiple Choice Questions & answers ( ). Device used to measure Tension ( Read 374 times ) previous topic - topic! Cell •Load cells are the most commonly used type someone answers this question Please... Other TOPICS ; MCQs ; RECENT posts ; Measuring Instruments Multiple Choice Questions MCQs! Absolutely essential for the next time i comment falsely interpreted by the strain gauge: below. Therefore, proper selection and use of the order of - MCQs with answers Q1 improved bonding cement unbonded. For reliable Measurements how a strain gauge is not bonded to a thin backing can a... Want to be conducted at higher temperatures, high-temperature strain gauges are typically used as elements in a Wheatstone circuit.

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