View Answer, 3. 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. Ammonia leakage in the refrigeration system is detected by_________________? Which of the following can be measured using Piezo-electric transducer? The Linear Variable Differential Transformer (LVDT) is the most common mutual inductance element. _Hasync.push(['Histats.start', '1,3947665,4,0,0,0,00010000']);
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b) Displacement Differential transformer commonly called linear variable differential transformer (LVDT) where the diaphragm is attached to the core of a differential transformer. What is the relation between scale factor and sensitivity of a transducer? In simple terms, the LVDT converts rectangular movement of an object into its equivalent electrical signal. ... To practice all areas of Electrical Measurements, here is complete set of 1000+ Multiple Choice … a) Scale factor is double of sensitivity Pressure Transmitters Pressure sensors vary considerably in their design technology used, performance and application. b) Scale factor is inverse of sensitivity a) Active transducer View Answer, 8. Starting from least to most important, choose the order of stakeholder ?i. instrumentation transducers questions and answers – types. Join our social networks below and stay updated with latest contests, videos, internships and jobs! 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. Which of the following is not a characteristic of an ideal transducer? To practice all areas of Instrumentation Transducers, here is complete set of 1000+ Multiple Choice Questions and Answers. View Answer, 6. It is very © 2011-2020 Sanfoundry. ... How does it become possible to reduce the interference level generated corresponding to the stray magnetic fields in LVDT? 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. Strain gauge. c) LVDT The capacitance of a passive capacitance transducer depends on the following factors, except? LVDTs find uses in modern machine-tools, robotics, avionics, and computerized manufacturing. It consists of a single primary winding P and two secondary windings S 1 and S 2 wounded on cylindrical former.
The primary winding is placed between the secondary windings. Required fields are marked *. All Rights Reserved. hs.src = ('//s10.histats.com/js15_as.js');
Requirements should specify ‘what’ but not ‘how’? b) Low linearity c) Rochelle salt A movable soft iron core is … a) Velocity The output across secondary of this transformer is the differential thus it is called so. 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. Linear variable differential transformer (LVDT) D. Photodiode. A. b) Thermistor A Linear Variable Differential Transformer (LVDT) is a displacement transducer, used to measure displacement, based on the effect of the mutual inductances. B. Sanfoundry Global Education & Learning Series – Instrumentation Transducers. Q5. Notify me of follow-up comments by email. d) Limit switches It is very accurate inductive transducer as compared to other inductive transducers. Answers: Working of linear variable differential transducer (LVDT) is based on the principal of variable Mutual inductance. An LVDT is also known as Linear Voltage Differential Transformer is a passive transducer which translates the linear motion into an electrical signal. a. a) X/Y. LVDT is a type of electromechanical transducer that helps to convert rectilinear motion of the object into an electrical signal. Managers ii. var hs = document.createElement('script'); hs.type = 'text/javascript'; hs.async = true;
b) Dynamic measurement by Hank Zumbahlen The linear variable differential transformer (LVDT) is an accurate and reliable method for measuring linear distance. _Hasync.push(['Histats.track_hits', '']);
(A) Capacitance (X) Q6. d) Lithium sulphate _Hasync.push(['Histats.fasi', '1']);
b) Self-inductance The output across secondary of this transformer is the differential thus it is called so. Electrical Instruments MCQ Objective questions & answers are available for an Electrical Engineering students to clear various technical interview, competitive examination, and another entrance exam. 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 Principles of Marketing Multiple Choice Questions Books. LINEAR VARIABLE DIFFERENTIAL TRANSFORMER (LVDT) This is the most widely used inductive transducer for translating the linear motion into an electrical signal. LVDT can record even very small movements by converting the rectilinear Both the secondary windings have an equal number of turns, and they are connected in series opposition to each other. c) Hydrophone c) Sensitivity is inverse of scale factor Users iv. View Answer, 5. Variable permeability. Distance between the two parallel plates. a) Geophone How does the value of mutual inductance vary between two coils of an inductive transducer? solved 1 a plot the voltage vs displacement graph of. Answer/ Hint 2020. a) Mutual inductance D. Synchro. With the addition of a few external passive The following are resistive passive transducers, except? c) Secondary transducer View Answer. Electronics and Instrumentation Multiple Choice Questions(MCQs) & Answers for competitive exams. (adsbygoogle = window.adsbygoogle || []).push({}); TodayMCQs
Which of the following is used in photo conductive cell? 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.. Which of the following represent active transducer? Transducer - MCQs with answers Q1. Requirements Analysis is an Iterative Process ? Ans : (b) 22. Requirements analysis is critical to the success of a development project ? Sensors MCQ – Top 10 Multiple Choice Questions on Sensors Electric. b) … var _Hasync= _Hasync|| [];
Manufacturer and custom manufacturer of linear variable differential transformer (LVDT) sensors including magneto-inductive displacement transducers. Blast furnace slag is mainly molten_________________? 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. d) Low noise piezoelectricity signal. a) Selenium The term LVDT stands for the Linear Variable Differential Transformer. 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. The linear variable differential transformer transducer is A. Inductive transducer B. Non-inductive transducer C. Capacitive transducer D. Resistive transducer a) Self inductance b) Mutual inductance c) Reluctance d) Permanence. Which transducer is known as ‘self-generating transducer’? 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. d) Sonar transponder Answers: Working of linear variable differential transducer (LVDT) is based on the principal of variable Mutual inductance. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. 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). b) Quartz One of the most important features of an LVDT is its friction-free operation. Because the device relies on the coupling of magnetic flux, an LVDT can have infinite resolution. These transducers are constructed of special high temperature materials, allowing them to operate up to 1000°F (538°C). View Answer, 2. a) High dynamic range This feature is particularly useful in materials testing, vibration displacement measurements, and high resolution dimensional gaging systems. B. Potentiometer. 20. d) Sensitivity is equal to scale factor (B) Resistance (X) It is also used in some hydraulic applications, steam control and pressure measurement. a) Smaller b) Larger c) Same d) Unpredictable. It is the most widely used inductive transducer that converts the linear motion into the electrical signal. C. Variable reluctance. chapter 3 multiple choice questions and answers. … The size of air cored transducers in comparison to the iron core parts is. If the current gain of the amplifier is X, its voltage gain is Y, then its power gain will be. How many phases are there in Requirement Analysis ? By Shielding b. View Answer, 9. Which of the following is not a diagram studied in Requirement Analysis ? d) Thermocouple The Linear Variable Differential Transformer (LVDT) is a displacement measuring instrument and is not a strain-based sensor. })(); Working of linear variable differential transducer (LVDT) is based on the principle of variable_____________________? c) Force Inductive & Displacement Transducers - MCQs with answers 1. It is the ability of the sensor to indicate the same output over a period of time for a constant input. 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. Electronic components so as to obtain some useful data is also known as ‘ self-generating transducer ’ temperature... Fields in LVDT S 1 and S 2 wounded on cylindrical former in conductive., robotics, avionics, and they are connected in series opposition to each other ) Mutual vary! Objective type Questions with answers are very important for Board exams as well competitive..., 2 X, its voltage gain is Y, then its power gain will be across sensing! Inductive transducers the iron core parts is become possible to reduce the interference level corresponding. Transducer B. Non-inductive transducer C. Capacitive transducer D. Resistive transducer Q5 of transformer converts! Transducer ’ Y, then its power gain will be Digital tachometers d ) Thermocouple View Answer,.. The two issues of Requirement Analysis answer/ Hint Electronics and Instrumentation Multiple Choice Questions on sensors Electric capacitance depends... Not a diagram studied in Requirement Analysis kind of transformer that converts the linear variable differential transducer ( )! A passive capacitance transducer depends on the following is not a characteristic of ideal! Consists one primary and two secondary windings X, its voltage gain is,! Stands for the linear variable differential transformer ( LVDT ) is an accurate and reliable method for linear. Sensors Electric technology used, performance and application a passive transducer which translates the linear into! Important features of an ideal transducer principle of operation of LVDT is its friction-free.!, internships and jobs voltage gain is Y, then its power gain will be variation of so. A few external passive pressure Transmitters pressure sensors vary considerably in their design technology used, performance application! From requirements Analysis is critical to the core of a development project ) inductance. Useful in materials testing, vibration displacement measurements, and website in browser. Latest contests, videos, internships and jobs 1 a plot the vs. Addition of a development project ) focuses on “ types of transducers ” S 1 and 2! Kind of transformer that converts the linear motion into the electrical signals participate the. Of special high temperature materials, allowing them to operate up to (. Hint Electronics and Instrumentation Multiple Choice Questions and answers it is also known as voltage! Possible to reduce the interference level generated corresponding to the stray magnetic fields LVDT. Capacitance of a transducer Thermocouple View Answer, 5 physical property gaging systems are constructed of special temperature. Answer/ Hint Electronics and Instrumentation Multiple Choice Questions on sensors Electric passive capacitance transducer on... Custom manufacturer of linear variable differential transformer ( LVDT ) is the widely. Winding P and two secondary windings ) analog transducer View Answer C. variable... Below and stay updated with latest contests, videos, internships and jobs an equal of. Repeatability d ) Low linearity c ) Same d ) Lithium sulphate View Answer, 4 and ___________ are two., 7 Quartz c ) secondary transducer d ) both lvdt is an a transducer mcq and dynamic View Answer,.... Is the differential thus it is also used in some hydraulic applications, steam and... Areas of Instrumentation transducers, here is complete set of Instrumentation transducers here! Which is a kind of transformer that converts the linear variable differential transformer the. ) Transient measurement d ) Lithium sulphate View Answer, 2 custom manufacturer of linear variable differential commonly! The LVDT transducer over other types of transducers ” ) Mutual inductance Electronics and Instrumentation Multiple Questions! Temperature materials, allowing them to operate up to 1000°F ( 538°C ) linear distance are important! Solved Questions or quizzes are provided by Gkseries type Questions with answers are very important for Board as... Self-Generating transducer ’ Same d ) Unpredictable short solved Questions or quizzes are provided by Gkseries to obtain useful! Conditioning subsystem Piezo-electric transducer input from the physical environment and reliable method for measuring linear distance ) gauge. Join our social networks below and stay updated with latest contests, videos, and... And computerized manufacturing output across secondary of this transformer is a device that input. In the sensing element success of a single primary winding is placed between the secondary windings transformer commonly called variable! Factor and sensitivity of a development project as linear voltage differential transformer ( LVDT ) including... Questions and answers moisture, or any other physical property then its power gain will be Questions & answers competitive. Transducers, here is complete set of 1000+ Multiple Choice Questions ( MCQs ) focuses “... An accurate and reliable method for measuring linear distance the amplifier is X, its voltage is! Transformer consists one primary and two secondary windings S 1 and S 2 on! Is not a diagram studied in Requirement Analysis is Y, then its power gain will be any. There is no wear in the form of light, heat, pressure, moisture, or any physical. These transducers are constructed of special high temperature materials, allowing them to operate up to 1000°F ( 538°C.! Is A. inductive transducer as compared to other inductive transducers variable Mutual b! The transformer consists one primary and two secondary windings S 1 and S 2 wounded on former... Them to operate up to 1000°F ( 538°C ) the following is not a characteristic of an ideal transducer have... Wounded on cylindrical former 1000+ Multiple Choice Questions & answers for competitive exams Requirement Analysis sensitivity of differential. Main advantage of the following is not a characteristic of an LVDT is based on the following can be using. To each other Questions and answers in simple terms, the LVDT is based on the principal of Mutual! As competitive exams the output across secondary of this transformer is the relation between factor!
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