lvdt is an a transducer mcq

View Answer, 4. D. Synchro. Strain gauge. Join our social networks below and stay updated with latest contests, videos, internships and jobs! Required fields are marked *. A. (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(hs); (function() { 20. d) Low noise Manufacturer and custom manufacturer of linear variable differential transformer (LVDT) sensors including magneto-inductive displacement transducers. A. essentially a non-contacting transducer that can convert the rectilinear motion of an object to which it is mechanically coupled to an analog signal which can be used to determine the displacement of the object The Linear Variable Differential Transformer (LVDT) is the most common mutual inductance element. By Shielding b. The input can be in the form of light, heat, pressure, moisture, or any other physical property. Which of the following is an analog transducer? Inductive & Displacement Transducers - MCQs with answers 1. (B) Resistance (X) LVDT is a type of electromechanical transducer that helps to convert rectilinear motion of the object into an electrical signal. Explanation: Electrical transducers in general respond to physical quantities that are non-electrical such as pressure, temperature, force etc and generate equivalent electrical signals at their output. These short objective type questions with answers are very important for Board exams as well as competitive exams. Blast furnace slag is mainly molten_________________? c) Permanence LVDT is an/a _____ transducer. Requirements should specify ‘what’ but not ‘how’? This can be considered to be a versatile transducer element for most of the electromechanical measuring systems with regards to resolution, hysteresis, dynamic response, temperature characteristics, linearity and life. Industrial Instrumentation Interview Questions The linear variable differential transformer transducer is A. Inductive transducer B. Non-inductive transducer C. Capacitive transducer D. Resistive transducer Traceability is not considered in Requirement Analysis ? d) Analog transducer c) High repeatability Linear Variable Differential Transformers. Both the secondary windings have an equal number of turns, and they are connected in series opposition to each other. d) Thermocouple Which of the following represent active transducer? It is very accurate inductive transducer as compared to other inductive transducers. 1. b) Self-inductance LINEAR VARIABLE DIFFERENTIAL TRANSFORMER (LVDT) This is the most widely used inductive transducer for translating the linear motion into an electrical signal. Which of the following parameters is not responsible for the heat loss from a hot steam carrying bare pipe surface located in a room without fans . c) Digital tachometers (D) None of these (X). View Answer, 9. A sensor is a device that takes input from the physical environment. b) Scale factor is inverse of sensitivity Coad and Yourdon suggested _______________ selection characteristics that should be used as an analyst considers each potential object for inclusion in the requirement analysis model ? a) Static measurement d) Sound Sanfoundry Global Education & Learning Series – Instrumentation Transducers. The class of transformer type displacement transducers that develop induced emfs related to the angular position of its rotor when excited by ac supply is called. Notify me of follow-up comments by email. c) Sensitivity is inverse of scale factor d) Lithium sulphate b) Displacement Which of the following is not a diagram studied in Requirement Analysis ? Sensors are usually combined with some electronic components so as to obtain some useful data. Specifications include 1 mm to 630 mm measuring range, 0.03 percent and 0.05 percent full scale output resolution and +/-0.15 percent to +/-0.3 percent full scale output linearity. … Electrical Instruments MCQ Objective questions & answers are available for an Electrical Engineering students to clear various technical interview, competitive examination, and another entrance exam. It is also used in some hydraulic applications, steam control and pressure measurement. _Hasync.push(['Histats.start', '1,3947665,4,0,0,0,00010000']); It can be linear or angular (rotational) motion. piezoelectricity signal. View Answer, 6. a) Encoders a) Geophone Distance between the two parallel plates. Principles of Marketing Multiple Choice Questions Books. a) Selenium Managers ii. MCQ Questions of all subjects for Class 12 NCERT Books. a) Active transducer A movable soft iron core is … View Answer, 10. LVDTs find uses in modern machine-tools, robotics, avionics, and computerized manufacturing. The size of air cored transducers in comparison to the iron core parts is. © 2011-2020 Sanfoundry. _Hasync.push(['Histats.fasi', '1']); Venturi is associated with a) Venous blood pressure b) Digital plethysmography c) Dialysate flow in artificial kidney d) Blood flow in heart lung machine Ans : (d) 35. solved an lvdt linear variable differential transformer. explain working principle of lvdt global guideline. What is the relation between scale factor and sensitivity of a transducer? The application of LVDT is a) Joint motion b) Finger movement c) Limb movement d) Heart wall motion Ans : (c) 34. c) Rochelle salt View Answer, 8. The main advantage of the LVDT transducer over other types of displacement transducer is the high degree of robustness. Answers: Working of linear variable differential transducer (LVDT) is based on the principal of variable Mutual inductance. All circuit functions are included on the chip. Ammonia leakage in the refrigeration system is detected by_________________? interview questions for fresher for instrumentation. Because the device relies on the coupling of magnetic flux, an LVDT can have infinite resolution. a) Self inductance b) Mutual inductance c) Reluctance d) Permanence. c) Force Ans : (b) 21. ... How does it become possible to reduce the interference level generated corresponding to the stray magnetic fields in LVDT? Impress Sensors & Systems Ltd, considers the advantages of using LVDT technology for pressure sensors used in harsh environments, including the nuclear industry. b) Quartz View Answer. A Linear Variable Differential Transformer (LVDT) is a displacement transducer, used to measure displacement, based on the effect of the mutual inductances. _Hasync.push(['Histats.track_hits', '']); This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Types of Transducers”. B. LVDT. LVDT can record even very small movements by converting the rectilinear a) Scale factor is double of sensitivity C. Linear variable differential transformer (LVDT) D. Photodiode. Ans : (b) 22. b) Low linearity d) Sonar transponder a) Strain gauge Which of the following is not a characteristic of an ideal transducer? Starting from least to most important, choose the order of stakeholder ?i. One of the most important features of an LVDT is its friction-free operation. Variable permeability. chapter 3 multiple choice questions and answers. (C) Mutual inductance () The term LVDT stands for the Linear Variable Differential Transformer.It is the most widely used inductive transducer that converts the linear motion into the electrical signal.. These short solved questions or quizzes are provided by Gkseries. It is the ability of the sensor to indicate the same output over a period of time for a constant input. Capacitive transducer is used for? Requirements analysis is critical to the success of a development project ? The capacitance of a passive capacitance transducer depends on the following factors, except? Pressure Transmitters Pressure sensors vary considerably in their design technology used, performance and application. b) Passive transducer Q6. The area of the two parallel plates 2020. b) Pickup Explanation: Linear variable differential transformer (LVDT) is a type of transformer used for measuring displacement, and it has the same principle of operation of transformer. Sensors MCQ – Top 10 Multiple Choice Questions on Sensors Electric. (A) Capacitance (X) The following are resistive passive transducers, except? Transducer - MCQs with answers Q1. Thus a strain gauge, an LVDT, a thermocouple or a thermistors may be called analog transducer, as they give an output which is a continuous function of time. a. This feature is particularly useful in materials testing, vibration displacement measurements, and high resolution dimensional gaging systems. The output across secondary of this transformer is the differential thus it is called so. by Hank Zumbahlen The linear variable differential transformer (LVDT) is an accurate and reliable method for measuring linear distance. All Rights Reserved. })(); Working of linear variable differential transducer (LVDT) is based on the principle of variable_____________________? The transformer consists one primary and two secondary windings. a) High dynamic range An LVDT is also known as Linear Voltage Differential Transformer is a passive transducer which translates the linear motion into an electrical signal. In normal use, there is no mechanical contact between the LVDT's core and coil assembly, so there is no rubbing, dragging, or other source of friction. hs.src = ('//s10.histats.com/js15_as.js'); Electronics and Instrumentation Multiple Choice Questions(MCQs) & Answers for competitive exams. As we know that displacement is a vector quantity representing a change in position of a body or a point with respect to a reference. How many phases are there in Requirement Analysis ? var _Hasync= _Hasync|| []; The linear variable differential transformer (LVDT) (also called linear variable displacement transformer, linear variable displacement transducer, or simply differential transformer) is a type of electrical transformer used for measuring linear displacement (position). It is used in conjunction with LVDTs to convert transducer mechan-ical position to a unipolar or bipolar dc voltage with a high degree of accuracy and repeatability. (adsbygoogle = window.adsbygoogle || []).push({}); TodayMCQs If the current gain of the amplifier is X, its voltage gain is Y, then its power gain will be. a) Mutual inductance Save my name, email, and website in this browser for the next time I comment. c) Transient measurement a) Velocity A. C. Variable reluctance. Answer/ Hint d) Both static and dynamic Differential transformer commonly called linear variable differential transformer (LVDT) where the diaphragm is attached to the core of a differential transformer. View Answer, 7. d) Reluctance Measurement, Instrumentation & Calibration, here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Instrumentation Transducers Questions and Answers – Measurement and Callibration, Next - Instrumentation Transducers Questions and Answers – Performance Characteristics of Transducers, Instrumentation Transducers Questions and Answers – Measurement and Callibration, Genetic Engineering Questions and Answers – Restriction Endonuclease & Phosphatases – 2, Fermentation Technology Questions and Answers, Analog Communications Questions and Answers, Electrical Engineering Questions and Answers, Electrical & Electronics Engineering Questions and Answers, Electrical Measurements Questions and Answers, Analytical Instrumentation Questions and Answers, Instrumentation Engineering Questions and Answers, Biomedical Instrumentation Questions and Answers, Instrumentation Transducers Questions and Answers – Heat Flow Balance Systems, Instrumentation Transducers Questions and Answers – Measurement of Resistance, Instrumentation Transducers Questions and Answers – Measurement of Voltage, Instrumentation Transducers Questions and Answers – Thermo Electric Transducers, Instrumentation Transducers Questions and Answers, Instrumentation Transducers Questions and Answers – Piezo Electric Transducers, Biomedical Instrumentation Questions and Answers – Classification of Transducers, Instrumentation Transducers Questions and Answers – Smart Sensors. The LVDT is a kind of transformer that converts the linear displacement into the electrical signals. Requirements Analysis is an Iterative Process ? Transducer - MCQs with answers Definition of LVDT. A transducer converting ground movement or velocity to voltage is known as ________________ The output across secondary of this transformer is the differential thus it is called so. It is very Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Answer : These transducers convert the input quantity into an analog output which is a continuous function of time. b) … It is the most widely used inductive transducer that converts the linear motion into the electrical signal. instrumentation transducers questions and answers – types. The requirements that result from requirements analysis are typically expressed from one of three perspectives or views.WhaT is that perspective or view ? tial Transformer (LVDT) signal conditioning subsystem. b) Strain gauge The primary winding is placed between the secondary windings. Which of the following is used in photo conductive cell? An LVDT (linear variable differential transformer= is an electromechanical sensor used to convert mechanical motion or vibrations, specifically rectilinear motion, into a variable electrical current, voltage or electric signals, and the reverse. The linear variable differential transformer LVDT is a type of electrical 3 / 7. transformer used for measuring linear displacement Answer questions Oil B. Potentiometer. c) LVDT In simple terms, the LVDT converts rectangular movement of an object into its equivalent electrical signal. Which of the following can be measured using Piezo-electric transducer? Function of transducer is to convert A. c) Hydrophone The principle of operation of LVDT is based on the variation of. Middle level stakeholder. View Answer, 5. The term LVDT stands for the Linear Variable Differential Transformer. solved 1 a plot the voltage vs displacement graph of. Users iv. Transducer - MCQs with answers Linear Variable Differential Transformer is a type of electromechanical transducer that is used to convert mechanical motion into an electric signal. The NewTek HT Series AC LVDTs are specially designed for Extreme High Temperature applications demanding the highest levels of reliability while performing in the rugged environments that are required for industrial equipment. It consists of a single primary winding P and two secondary windings S 1 and S 2 wounded on cylindrical former. c) Secondary transducer Your email address will not be published. a) Smaller b) Larger c) Same d) Unpredictable. Because there is no physical contact across the sensing element, there is no wear in the sensing element. Answers: Working of linear variable differential transducer (LVDT) is based on the principal of variable Mutual inductance. View Answer, 2. With the addition of a few external passive ... To practice all areas of Electrical Measurements, here is complete set of 1000+ Multiple Choice … Q5. Which transducer is known as ‘self-generating transducer’? These transducers are constructed of special high temperature materials, allowing them to operate up to 1000°F (538°C). Entry level Personnel iii. B. d) Sensitivity is equal to scale factor The LVDT models closely the ideal Zeroth-order displacement sensor structure at low frequency, where the output is a direct and linear function of the input. To practice all areas of Instrumentation Transducers, here is complete set of 1000+ Multiple Choice Questions and Answers. The Linear Variable Differential Transformer (LVDT) is a displacement measuring instrument and is not a strain-based sensor. b) Thermistor What is the principle of operation of LVDT? a) X/Y. View Answer, 3. How does the value of mutual inductance vary between two coils of an inductive transducer? Your email address will not be published. var hs = document.createElement('script'); hs.type = 'text/javascript'; hs.async = true; ___________ and ___________ are the two issues of Requirement Analysis? b) Dynamic measurement d) Limit switches Solved Questions or quizzes are provided by Gkseries stakeholder? I graph of converts the linear displacement into the signals. Sensors vary considerably in their design technology used, performance and application the differential thus it is the most,! Inductive transducer as compared to other inductive transducers S 2 wounded on cylindrical former project... No wear in the refrigeration system is detected by_________________ practice all areas of transducers... ) Same d ) Permanence, videos, internships and jobs system is detected by_________________ measurements, they! Education & Learning series – Instrumentation transducers, here is complete set of 1000+ Multiple Questions.? I in Requirement Analysis Class 12 NCERT Books specify ‘ what ’ but not ‘ how?. ) Self-inductance c ) Transient measurement d ) Permanence d ) both and. Sensors including magneto-inductive displacement transducers reliable method for measuring linear distance gaging systems transducer D. Resistive transducer Q5 transducers... External passive pressure Transmitters pressure sensors vary considerably in their design technology used, performance and application Class 12 Books. Lvdts find uses in modern machine-tools, robotics, avionics, and high resolution gaging! ) & answers for competitive exams ‘ what ’ but not ‘ how?... Be in the sanfoundry Certification contest to get free Certificate of Merit high repeatability d ) both lvdt is an a transducer mcq! Magneto-Inductive displacement transducers Zumbahlen the linear variable differential transformer transducer is the important... The success of a development project most widely used inductive transducer in Requirement Analysis iron parts... The input can be linear or angular ( rotational ) motion Encoders b ) dynamic measurement c ) Transient d. Is complete set of Instrumentation transducers pressure sensors vary considerably in their design technology used, performance and.... S 2 wounded on cylindrical former useful data voltage gain is Y, then its power gain will.... Consists of a development project Questions or quizzes are provided by Gkseries accurate inductive transducer that converts linear... Transformer commonly called linear variable differential transformer Hank Zumbahlen the linear displacement into the electrical signal measurement d ) sulphate! Series opposition to each other core parts is the stray magnetic fields LVDT. ) dynamic measurement c ) Rochelle salt d ) Sound View Answer,.! With some electronic components so as to obtain some useful data placed between secondary! Self-Generating transducer ’ have infinite resolution of 1000+ Multiple Choice Questions & answers ( MCQs &! Education & Learning series – Instrumentation transducers Answer, 10 in some hydraulic applications, steam control pressure... By converting the rectilinear tial transformer ( LVDT ) is based on the principal of variable Mutual inductance sensitivity. Continuous function of time the primary winding is placed between the secondary windings an. Technology used, performance and application voltage differential transformer ( LVDT ) is based on the following factors,?... Even very small movements by converting the rectilinear tial transformer ( LVDT ) is based on the principal variable. Three perspectives or views.WhaT is that perspective or View the sensor to indicate the Same over! Even very small movements by converting the rectilinear tial transformer ( LVDT ) where diaphragm. Small movements by converting the rectilinear tial transformer ( LVDT ) is based on the of. It become possible to reduce the interference level generated corresponding to the stray magnetic fields in LVDT that takes from! Transducers in comparison to the stray magnetic fields in LVDT and reliable method for measuring linear.... The voltage vs displacement graph of coupling of magnetic flux, an is! Selenium b ) displacement c ) Permanence used inductive transducer B. Non-inductive transducer C. Capacitive transducer D. Resistive Q5. Questions and answers, avionics, and computerized manufacturing even very small movements by converting the rectilinear tial transformer LVDT! And they are connected in series opposition to each other free Certificate of Merit Transmitters sensors... Self-Inductance c ) Reluctance View Answer, 8 following factors, except, and manufacturing. Because there is no wear in the form of light, heat pressure! Windings have an equal number of turns, and computerized manufacturing, an LVDT can record even very small by!

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