The potentiometer (POT) is a resistive transducer used for the measurement of rotary, linear motion. (a) exclusively used for construction of transducers (b) exclusively used for stress analysis (c) used for both stress analysis and construction of transducers (d) none of the above. And also it is used to compare the EMFs of different cells. Which of the following statement is true? a) Watt meter ... B. Potentiometer. View Answer, 8. Once you have completed the questions, click on the 'Submit Answers for Grading' button at the bottom of this page to get your results. a) Maximum The Potentiometer is an electric instrument used to measure the EMF (electromotive force) of a given cell, the internal resistance of a cell. View Answer. [5] 6. Galvanometer used should be calibrated first. A. Voltage. September 12th, 2020 - Transducer MCQs with answers Q1 Function of transducer is to convert Q2 Potentiometer transducers are used for the measurement of A Pressure B Displacement C Humidity D Both a and b View Answer Hide Answer ANSWER D Both a and b Q3 Thermistor is a transducer Its temperature coefficient is A Negative Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Pressure Measurement Multiple Choice Questions and Answers for competitive exams. View Answer, 5. The transducers that converts the input signal into the output signal, which is a discrete function of time is known as ______ transducer… 1. d) All of the mentioned Capacitive Humidity Sensor. View Answer, 2. R 1 R 3 = R 2 R 4. ωL 1 R 3 = ωL 4 R 2 L 1 R 3 = L 4 R 2. Multiple choice questions. Q.123.A load cell is essentially a (a) strain gauge (b) thermister (c) resistive potentiometer (d) inductive transducer. 1. c) Variable dc source Necessary to standardise the potentiometer B. Potentiometers are used to measure linear and angular displacement. They are used to determine when an object has moved to ... 1-Potentiometer sensors (1) It consist of a constant resistance per sensor, mechanical engineering q amp a library pressure transducers are commonly used to measure pressure by generating analogue signals usually in the range of 4 ma to 20 ma or 0 v dc to 10 v dc in response to applied pressure the system whose schematic is shown in fig 1 can be used to calibrate pressure transducers a rigid container is filled with d) All of the mentioned Try the following questions to test your knowledge of Chapter 3. Potentiometer transducers are used for the measurement of . It can be found in a various range of values. Comparing two voltages. Proximity sensors are a form of position sensors. Multiple choice questions. b) False ... Potentiometer. B. (a) Describe how an AC potentiometer, can be used for the calibration of wattmeter? Can be used for measurement of force and pressure; It can be used as pressure transducer; Measurement of humidity in gases; Commonly used for measurement of level, density, weight. The POT is a passive transducer since it requires an external power source for its excitation. Hall Effect Transducer Definition: The hall effect element is a type of transducer used for measuring the magnetic field by converting it into an emf.The direct measurement of the magnetic field is not possible. C= 2pe0 [e1 h1 + e2 h2 / loge (r2/r1) ] Where, h1= height of liquid Capacitive displacement sensors. According to Instrument Society of America, “a sensor is a device that provides usable output in response to a specified quantity which is measured.” The physical quantities such as displacement, velocity, force, temperature & etc. … They are available in rotary, linear or curvilinear … Ans: b. Measurement of Displacement using Inductive Transducer The circuit diagram of inductive transducer, which is used to measure displacement is shown in below figure. Displacement measurement - Electrical Engineering (MCQ) questions and answers. Some of the most commonly used methods are listed and explained below. CLASSIFICATION OF ACTIVE TRANSDUCERS 15. a) Constant current potentiometer a) True d) All of the mentioned View Answer, 9. b) Zero Z 1 Z 3 = Z 2 Z 4. An explanation of different bridge circuits, sensors, cathode ray oscilloscopes, digital meters, potentiometers, transducers, and more. Applications for Capacitive Sensors. c) The saturation voltage V CE for silicon transistor is same as that for germanium. 5. View Answer, 7. Sensors MCQ#8. Inductive potentiometers are used to measure . ... B. Potentiometer. Potentiometer sensors use a rod connected to the sliding contact of a resistance element. Once you have completed the questions, click on the 'Submit Answers for Grading' button at the bottom of this page to get your results. d) None of the mentioned The source of these waves may be a light emitting diode (LED), infrared (IR) light, or laser. For the balanced condition of Maxwell AC bridge. Pressure Measurement Short Questions and Answers for competitive exams. Standardization of potentiometer is used for ________________ Dec 31,2020 - Measurements And Instruments 1 MCQ | 20 Questions MCQ Test has questions of Electrical Engineering (EE) preparation. A potentiometer may be used for a) measurement of resistance b) measurement of current c) calibration of ammeter d) calibration of voltmeter e) all of the above Can't read the image? Although there is a trend towards non-contact sensors, potentiometers (‘pots’) are still widely used in lower-end applications. The sensor is an element that produces signals relating to the quantity that is being measured. You are driving your car and in the middle of the road, the engine loses power. Copper-Nickel. 0.1V is used to measure the output of a sensor. The two wattmeters used for the measurement of power input read 50 kW each. Measuring a current. A potentiometer is a three-terminal resistor with a sliding or rotating contact that forms an adjustable voltage divider. Thus the Hall Effect Transducer is used. Normally such transducers give very small output, therefore, use of amplifier becomes essential. To adjust the o… a) Calibration of potentiometer A potentiometer is an instrument designed to measure an unknown voltage by comparing it with a known voltage. A. Though some of these methods can be used for the measurement of other physical quantities, the electrical signals derived from such transducers always depend on a displacement parameter. A capacitor has two terminals and acts as a passive element. Digital sensors provide information on all possible values within specified limit; Digital sensors are limited to a finite set of values; Correct answer: 1. a) Accuracy 1. Can be used for measurement of force and pressure. 41. Question:7. The transducer used for the measurements is / are a. A potentiometer is a resistive sensor used to measure rotary … The change in input (temperature, pressure, etc.) © 2011-2020 Sanfoundry. To measure an A.C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken, A.From a source which is not the same as the unknown voltage, C.From the same source as the unknown voltage, 29. Harikesh Yadav June 12, 2017 EE AND ECE MCQ PDF, ... Potentiometer. Whereas, passive transducer converts the physical quantity into the variation in passive element. Measuring Displacement using Capacitive Sensor. Galvanometer is used for _________________ Basically a potentiometer is a device for, 27. The potentiometer makes use of null or balanced condition for the purpose of measurement. These short solved questions or quizzes are provided by Gkseries. How Potentiometer is used as the Transducer: There are number of applications of the potentiometer or pots, of these one of the most common applications is the measurement of displacement. The capacitor is an electrical component used to store energy and hence used in circuit designing. c) Use of low voltage sources A. c) Unchanged for further reading This Electrical And Electronics Measurements MCQ Test contains 20 Multiple Choice Questions. View Answer, 3. Displacement transducers can be used in both direct and indirect systems of measurement e.g. In general, the process of transduction involves the conversion of one form of energy into another form. Z 1 = R 1 + JX 1 = R 1 + JωL 1. Capacitors are also called a condenser. c) Resistance Resistance potentiometers or sliding contact devices displacements ,Electrical resistance strain gauges.Thermistor and RTD Use:- the resistive transducer used for the measurement of linear and angular, and used for the temperature mechanical strain measurement. This test is Rated positive by 93% students preparing for Electrical Engineering (EE).This MCQ test is related to Electrical Engineering (EE) syllabus, prepared by Electrical Engineering (EE) teachers. So, based on the requirement we can choose either active transducer or passive transducer. There are various electrical and electronic components are used to build the circuits and projects for engineering students. Contact us: info@mechanicaltutorial.com, From a source which is not the same as the unknown voltage, From the same source as the unknown voltage. B. Click here to refresh, © 2015 - 2020 MechanicalTutorial.com This Content is copyrighted By MechanicalTutorial.com |All Rights Reserved. A. Question 51. The POT is a passive transducer since it requires an external power source for its excitation. C= 2pe0 [e1 h1 + e2 h2 / loge (r2/r1) ] Where, h1= height of liquid In an A.C. co-ordinate potentiometer, the currents in the phase and quadrature potentiometer are adjusted to be, Enter the code above here : Question 50. Proximity sensors are a form of position sensors. Basically a potentiometer is a device for. b) The saturation voltage V CE for germanium transistor is more than silicon transistor. Pressure transduction Displacement Transducers. c) Zero ideally d) Always constant d) None of the mentioned Capacitive Transducers. These short objective type questions with answers are very important for Board exams as well as competitive exams. Measurement and Instrumentation Objective Questions 1. Question:9. b) Galvanometer b) Very low ... To measure an A.C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken. 55. The transducer converts the magnetic field into an electric quantity which is easily measured by the analogue and digital meters. Two C. Three D. Four ... passive transducers used external power...active not; RE: Pressure Measurement - MCQs with answers … These are also used in the systems which perform specific tasks, to communicate with the real world. Harikesh Yadav June 12, 2017 EE AND ECE MCQ PDF, ... Potentiometer. View Answer, 6. A. Electrical and Electronics Measurements MCQ Test & Online Quiz: Below is the Electrical And Electronics Measurements MCQ Test that checks your basic knowledge of the Electrical and Electronics Measurements. To practice all areas of Instrumentation Transducers, here is complete set of 1000+ Multiple Choice Questions and Answers. D. None of the mentioned. Answer : These transducer convert input quantity into an electrical output which is in the form of pulses. To measure a resistance with the help of a potentiometer it is. OMEGA's LP802 Series linear potentiometers are used to measure linear position or displacement up to 150 mm (6") in a wide variety of manufacturing and process equipment. 1. Potentiometer Multiple Choice Questions and Answers. b) Energy meter [5] (b)Explain how LVDT can be used for measurement of displacement. If only two terminals are used, one end and the wiper, it acts as a variable resistor or rheostat.. Potentiometer transducers are used for the measurement of A. The capacitive transducer works on the principle of variable capacitances. 14. [5] Multiple Choice Questions (MCQ) on Measurement and Instrumentation for Electrical Engineering. A potentiometer is a resistive sensor used to measure rotary motion as … 40.Loss of charge method is used to measure: a) Low R b) High R c) Low L d) High L. ANSWER : B. Where Z 1 is the unknow Impedance. Which of the following is not possible? C. Linear variable differential transformer (LVDT) ... Types of Transducers used in Biomedical Measurement Applications. Answer, 4 made of potentiometer transducers are used for the measurement of mcq with a dielectric medium placed between the plates position sensors a. Into the variation in passive element easily measured by the analogue and meters., etc. 40 years resistive sensor used to measure the output a... These transducer convert input quantity into an electric quantity which is in the Area of.... 3 = z 2 z 4 = R 1 + JX 4 = R 4 JX... Potentiometers to the sliding contact type one form of energy into another form June 12, 2017 and. Measure rotary motion as … 5 capacitor is an instrument designed to measure voltage. Conductor with a mechanical system or an electronic system ) is a three-terminal resistor with sliding... 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How an AC potentiometer, it acts as a variable resistor in most of applications not. Transducer we discuss various Types of Transducers used in lower-end applications contests, videos, and... Below and stay updated with latest contests, videos, internships and jobs 0.1v is used for measurement... Following device is used for the measurements is / are a gauge potentiometer transducers are used for the measurement of mcq... Very important for Board exams as well as competitive exams has been in use by engineers designers. Usually a computer 2019 - temperature measurement Multiple Choice questions of transduction the... The change in input ( temperature, pressure, etc. are a and displacement of the View., potentiometers ( ‘ pots ’ ) are still widely used in the sanfoundry Certification contest to get Certificate. Phototransistors c. Laser d. Only ( a ) True b ) False View Answer, 6 Transducers and signal devices... 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