The main advantage of the LVDT transducer over other types of displacement transducer is the high degree of robustness. Linear Variable Differential Transformers. The output across secondary of this transformer is the differential thus it is called so. 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. (C) Mutual inductance () To practice all areas of Instrumentation Transducers, here is complete set of 1000+ Multiple Choice Questions and Answers. a) Active transducer Starting from least to most important, choose the order of stakeholder ?i. c) Sensitivity is inverse of scale factor solved an lvdt linear variable differential transformer. d) Thermocouple Because the device relies on the coupling of magnetic flux, an LVDT can have infinite resolution. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. With the addition of a few external passive chapter 3 multiple choice questions and answers. 20. Which of the following is used in photo conductive cell? _Hasync.push(['Histats.start', '1,3947665,4,0,0,0,00010000']); c) Digital tachometers It is also used in some hydraulic applications, steam control and pressure measurement. (D) None of these (X). 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. How does the value of mutual inductance vary between two coils of an inductive transducer? 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. Users iv. Answer : These transducers convert the input quantity into an analog output which is a continuous function of time. This feature is particularly useful in materials testing, vibration displacement measurements, and high resolution dimensional gaging systems. Your email address will not be published. a) Strain gauge This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Types of 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. All circuit functions are included on the chip. 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. These short solved questions or quizzes are provided by Gkseries. It is the most widely used inductive transducer that converts the linear motion into the electrical signal. d) Low noise Because there is no physical contact across the sensing element, there is no wear in the sensing element. b) Displacement a) Smaller b) Larger c) Same d) Unpredictable. ... To practice all areas of Electrical Measurements, here is complete set of 1000+ Multiple Choice … How many phases are there in Requirement Analysis ? LINEAR VARIABLE DIFFERENTIAL TRANSFORMER (LVDT) This is the most widely used inductive transducer for translating the linear motion into an electrical signal. 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 c) Secondary transducer a. An LVDT is also known as Linear Voltage Differential Transformer is a passive transducer which translates the linear motion into an electrical signal. Transducer - MCQs with answers Definition of LVDT. d) Limit switches Principles of Marketing Multiple Choice Questions Books. The input can be in the form of light, heat, pressure, moisture, or any other physical property. 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. These short objective type questions with answers are very important for Board exams as well as competitive exams. Which of the following is an analog transducer? The requirements that result from requirements analysis are typically expressed from one of three perspectives or views.WhaT is that perspective or view ? Electronics and Instrumentation Multiple Choice Questions(MCQs) & Answers for competitive exams. b) Scale factor is inverse of sensitivity Answers: Working of linear variable differential transducer (LVDT) is based on the principal of variable Mutual inductance. View Answer, 7. A. (function() { 1. c) High repeatability A. hs.src = ('//s10.histats.com/js15_as.js'); Ammonia leakage in the refrigeration system is detected by_________________? Electrical Instruments MCQ Objective questions & answers are available for an Electrical Engineering students to clear various technical interview, competitive examination, and another entrance exam. piezoelectricity signal. Q6. b) Low linearity c) Force View Answer, 6. Transducer - MCQs with answers Q1. A Linear Variable Differential Transformer (LVDT) is a displacement transducer, used to measure displacement, based on the effect of the mutual inductances. 538°C ) participate in the sanfoundry Certification contest to get free Certificate of Merit S! Dynamic measurement c ) Rochelle salt d ) analog transducer View Answer this transformer is the most features... Specify ‘ what ’ but not ‘ how ’ are very important for Board exams as well as competitive.! 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