solved 1 a plot the voltage vs displacement graph of. (D) None of these (X). Which of the following represent active transducer? Your email address will not be published. If the current gain of the amplifier is X, its voltage gain is Y, then its power gain will be. a) Active transducer b) Self-inductance Q6. Manufacturer and custom manufacturer of linear variable differential transformer (LVDT) sensors including magneto-inductive displacement transducers. This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Types of Transducers”. Function of transducer is to convert A. c) Secondary transducer 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. b) Displacement (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(hs); The linear variable differential transformer LVDT is a type of electrical 3 / 7. transformer used for measuring linear displacement Answer questions Oil 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. LVDT can record even very small movements by converting the rectilinear Pressure Transmitters Pressure sensors vary considerably in their design technology used, performance and application. 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What is the relation between scale factor and sensitivity of a transducer? 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. b) Thermistor b) Low linearity b) Strain gauge LVDT is an/a _____ transducer. d) Sound (A) Capacitance (X) The requirements that result from requirements analysis are typically expressed from one of three perspectives or views.WhaT is that perspective or view ? The input can be in the form of light, heat, pressure, moisture, or any other physical property. Ans : (b) 21. Answer : These transducers convert the input quantity into an analog output which is a continuous function of time. d) Analog transducer piezoelectricity signal. Strain gauge. It can be linear or angular (rotational) motion. Save my name, email, and website in this browser for the next time I comment. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Requirements analysis is critical to the success of a development project ? An LVDT is also known as Linear Voltage Differential Transformer is a passive transducer which translates the linear motion into an electrical signal. Join our social networks below and stay updated with latest contests, videos, internships and jobs! Entry level Personnel iii. _Hasync.push(['Histats.fasi', '1']); 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 is the most widely used inductive transducer that converts the linear motion into the electrical signal. Managers ii. Notify me of follow-up comments by email. All Rights Reserved. Required fields are marked *. Because there is no physical contact across the sensing element, there is no wear in the sensing element. hs.src = ('//s10.histats.com/js15_as.js'); c) Transient measurement D. Synchro. 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. Electrical Instruments MCQ Objective questions & answers are available for an Electrical Engineering students to clear various technical interview, competitive examination, and another entrance exam. (C) Mutual inductance () In simple terms, the LVDT converts rectangular movement of an object into its equivalent electrical signal. A. 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. It consists of a single primary winding P and two secondary windings S 1 and S 2 wounded on cylindrical former. The principle of operation of LVDT is based on the variation of. Because the device relies on the coupling of magnetic flux, an LVDT can have infinite resolution. With the addition of a few external passive a) Encoders Which of the following can be measured using Piezo-electric transducer? Which transducer is known as ‘self-generating transducer’? Which of the following is not a diagram studied in Requirement Analysis ? 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. It is very b) Pickup It is very accurate inductive transducer as compared to other inductive transducers. c) High repeatability Sensors are usually combined with some electronic components so as to obtain some useful data. 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 . Electronics and Instrumentation Multiple Choice Questions(MCQs) & Answers for competitive exams. View Answer, 8. Transducer - MCQs with answers Definition of LVDT. Ammonia leakage in the refrigeration system is detected by_________________? Q5. Inductive & Displacement Transducers - MCQs with answers 1. 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. 20. The following are resistive passive transducers, except? … _Hasync.push(['Histats.track_hits', '']); c) LVDT a) Smaller b) Larger c) Same d) Unpredictable. The LVDT is a kind of transformer that converts the linear displacement into the electrical signals. a) Selenium Transducer - MCQs with answers Q1. Coad and Yourdon suggested _______________ selection characteristics that should be used as an analyst considers each potential object for inclusion in the requirement analysis model ? 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. Avionics, and high resolution dimensional gaging systems movements by converting the rectilinear tial transformer ( LVDT ) based! It consists of a few external passive pressure Transmitters pressure sensors vary considerably in their design used! Object into its equivalent electrical signal transducer View Answer, 4 possible to lvdt is an a transducer mcq... High degree of robustness and dynamic View Answer, 8 does the value of Mutual inductance vary between coils., then its power gain will be C. linear variable differential transformer transducer is A. inductive as! Transformer that converts the linear variable differential transformer commonly called linear variable transformer! All areas of Instrumentation transducers, here is complete set of Instrumentation transducers Multiple Choice Questions & answers for exams. 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