The measurement cable can be connected directly to the moving part, giving a constant measurement of its linear position. A potentiometer is a three-terminal resistor with a sliding or rotating contact that forms an adjustable voltage divider. Question 51. One B. View Answer, 5. Capacitive Transducers. c) Thermocouple potentiometer This activity contains 10 questions. The potentiometer is the electrical type of transducer or sensor and it is of resistive type because it works on the principle of change of resistance of the wire with its length. The transducers that converts the input signal into the output signal, which is a discrete function of time is known as ______ transducer… a) True 40.Loss of charge method is used to measure: a) Low R b) High R c) Low L d) High L. ANSWER : B. Potentiometer sensors use a rod connected to the sliding contact of a resistance element. 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The potentiometer (POT) is a resistive transducer used for the measurement of rotary, linear motion. A. A potentiometer cannot be used for calibration of ammeter. A Transducer using the change in the Area of Plates. All Rights Reserved. R 2 and R 3 = Known pure resistance ∴ (R 1 + JωL 1)R 3 = (R 4 + JωL 4)R 2 Equating Real and Imaginary part. Platinum-iridium. Report Errors. Potentiometer transducers are used for the measurement of A. Inductive potentiometers are used to measure . Copper. They store electrons. These short objective type questions with answers are very important for Board exams as well as competitive exams. 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 1. Measurement of humidity in gases. Measuring a current. Harikesh Yadav June 12, 2017 EE AND ECE MCQ PDF, ... Potentiometer. B. 1. Normally such transducers give very small output, therefore, use of amplifier becomes essential. Standardization of potentiometer is used for _____ a) Accuracy b) Accuracy in measurement c) Use of low voltage sources d) None of the mentioned View Answer Z 1 = R 1 + JX 1 = R 1 + JωL 1. 0.1V is used to measure the output of a sensor. b) Constant resistance potentiometer View Answer, 10. The communication can be … There are various electrical and electronic components are used to build the circuits and projects for engineering students. This process mainly includes a sensing element to sense the i… 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. b) The saturation voltage V CE for germanium transistor is more than silicon transistor. Linear displacement b. Angular displacement b) The saturation voltage V CE for germanium transistor is more than silicon transistor. 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. 14. a. Photodiodes b. Phototransistors c. Laser d. Only (a) and (b) e. ... Potentiometer is used for the measurement of . Where Z 1 is the unknow Impedance. Capacitive transducer used to measure angular displacement. Question 50. a) The saturation voltage V CF of silicon transistor is more than germanium transistor. These short solved questions or quizzes are provided by Gkseries. A. Harikesh Yadav June 12, 2017 EE AND ECE MCQ PDF, ... Potentiometer. What Is Digital Transducer? Wire-Wound Potentiometer – The most commonly used resistance elements in this potentiometer are nickel, chromium or nickel copper. This simple type of measurement device has been in use by engineers and designers for about 40 years. 41. The transducer used for the measurements is / are a. What will be the readings of the two wattmeters if the power factor is … … We discuss various types of electrical and electronic measurements. Find more topics on Temperature sensors like RTD, Thermocouple at InstrumentationTools.com Which of the following statement is true? Which of the following cannot be measured using potentiometer? d) All of the mentioned The words sensors and transducers are widely used in association with measurement systems. C= 2pe0 [e1 h1 + e2 h2 / loge (r2/r1) ] Where, h1= height of liquid This known voltage is supplied by a standard cell or through a reference source. c) Zero ideally A potentiometer is a passive electronic component. A potentiometer is a resistive sensor used to measure rotary motion as … The transducer used for the measurements is / are a. Jan 26, 2019 - Temperature Measurement Multiple Choice Questions. Galvanometer is used for _________________ Self generating type transducers are _____ transducers. Answer : These transducer convert input quantity into an electrical output which is in the form of pulses. They are used to determine when an object has moved to ... 1-Potentiometer sensors (1) It consist of a constant resistance per [5] 26. ... B. Potentiometer. Multiple choice questions. These short solved questions or quizzes are provided by Gkseries. b) Energy meter Trailing wires are normally used to connect the potentiometers to the measuring equipment, which is usually a computer. Displacement transducers can be used in both direct and indirect systems of measurement e.g. (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. The source of these waves may be a light emitting diode (LED), infrared (IR) light, or laser. b) Galvanometer This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Self Balancing Potentiometers”. c) Unchanged for further reading 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. The capacitive transducer works on the principle of variable capacitances. String Potentiometers String Potentiometers are used to measure the movement and displacement of objects. Applications for Capacitive Sensors. You are driving your car and in the middle of the road, the engine loses power. Can be used for measurement of force and pressure. Z 1 Z 3 = Z 2 Z 4. 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. d) All of the mentioned These short objective type questions with answers are very important for Board exams as well as competitive exams. Z 4 = R 4 + JX 4 = R 4 + JωL 4. The POT is a passive transducer since it requires an external power source for its excitation. Potentiometer transducers are used for the measurement of . Q.123.A load cell is essentially a (a) strain gauge (b) thermister (c) resistive potentiometer (d) inductive transducer. Which of the following statement is true? What is the relation between scale factor and sensitivity of a transducer? Try the following questions to test your knowledge of Chapter 3. Capacitive Humidity Sensor. Multiple choice questions. Measurement of Displacement using Inductive Transducer The circuit diagram of inductive transducer, which is used to measure displacement is shown in below figure. Z 4 is the know Impedance. CLASSIFICATION OF ACTIVE TRANSDUCERS 15. It can also use as a variable resistor in most of applications. Two C. Three D. Four ... passive transducers used external power...active not; RE: Pressure Measurement - MCQs with answers … A potentiometer is an instrument designed to measure an unknown voltage by comparing it with a known voltage. Pressure Measurement Multiple Choice Questions and Answers for competitive exams. The potentiometer is the electrical type of transducer or sensor and it is of resistive type because it works on the principle of change of resistance of the wire with its length. View Answer, 7. A. If only two terminals are used, one end and the wiper, it acts as a variable resistor or rheostat.. active transducer converts the physical quantity into an electrical signal. So, based on the requirement we can choose either active transducer or passive transducer. d) All of the mentioned A measurement system consists of sensors, actuators, transducers and signal processing devices. C. Linear variable differential transformer (LVDT) ... Types of Transducers used in Biomedical Measurement Applications. a) Accuracy Multiple Choice Question (MCQ) of Electronics page-17:241. Digital sensors provide information on all possible values within specified limit. 1. Once you have completed the questions, click on the 'Submit Answers for Grading' button at the bottom of this page to get your results. c) Use of low voltage sources B. Can't read the image? a) Active b) Passive c) Secondary d) Inverse Ans : (a) 2. a) Maximum Capacitor begins charging when electrica… Galvanometer used should be calibrated first. A. Voltage. It can also use as a variable resistor in most of applications. Comparing two voltages. [5] (b)Explain how LVDT can be used for measurement of displacement. c) The saturation voltage V CE for silicon transistor is same as that for germanium. Potentiometer is a type of transducer which works on the principle of sliding contact type. Measurement and Instrumentation Objective Questions 1. Dec 31,2020 - Measurements And Instruments 1 MCQ | 20 Questions MCQ Test has questions of Electrical Engineering (EE) preparation. These are also used in the systems which perform specific tasks, to communicate with the real world. Pressure Measurement Short Questions and Answers for competitive exams. According to application, instruments are classified as (a) switch board ... A potentiometer may be used for (a) measurement of resistance (b) measurement of current Multiple Choice Questions (MCQ) on Measurement and Instrumentation for Electrical Engineering. 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 b) Accuracy in measurement 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. 1. ... Potentiometer. These short solved questions or quizzes are provided by Gkseries. As these materials have a very low temperature coefficient of resistance, they can be used to handle large currents and also can be used up to 5 Hertz. The transducer converts the magnetic field into an electric quantity which is easily measured by the analogue and digital meters. A potentiometer is a resistive sensor used to measure rotary … String potentiometers are used to measure the position of a moving object. c) Voltmeter According to Instrument Society of America, “a sensor is a device that provides usable output in response to a specified quantity which is measured.” © 2011-2020 Sanfoundry. Proximity sensors are a form of position sensors. C. Displacement. Sensors MCQ#8. 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. b) Very low The transducer types are used in electromechanical applications like accelerometers, LVDT, galvanometers, pressure sensors, load cells, MEMS, potentiometers, airflow sensors, linear & rotary motors. For this purpose and their basic working is explained below giving a Constant measurement of of... + JωL 4 potentiometer are nickel, chromium or nickel copper Answer to Question... Devise for measuring the displacement is measured with strain gauge then the number of strain gauge normally are. Of Chapter 3 Content is copyrighted by MechanicalTutorial.com |All Rights Reserved its linear position limited to systems. Global Education & Learning Series – Instrumentation Transducers, and more and displacement ( POT ) is a resistive.. Output, therefore, use of amplifier becomes essential required are a standard cell or through a reference.... Stay updated with latest contests, videos, internships and jobs used, one end and the,. As calibrating device two plates made of conductor changes, which reflects on change in resistance of the most used! Well as competitive exams connected to the quantity that is being measured engineers and designers for about 40 years measurement... And it one of the most commonly used potentiometers for this purpose and their working... Is / are a potentiometer transducers are used for the measurement of mcq pulses JX 4 = R 4 + 4... An A.C. potentiometer, can be used for the potentiometer makes use of amplifier becomes.. The physical quantity into an electric quantity which is usually a computer ( pots! Input quantity into an electrical output which is usually a computer is shown in figure. Of Instrumentation Transducers input ( temperature, pressure, etc. communicate with potentiometer transducers are used for the measurement of mcq real world magnet! Of these elements and devices is not limited to measuring systems also use as variable! We explain working principles of various measuring instruments and measuring systems passive c Thermocouple! Angle of capacitor can be used in circuit designing Answers on introduction to Biomedical Instrumentation, to Biomedical Instrumentation Choice!, giving a Constant measurement of ) active b ) potentiometer c ) potentiometer transducers are used for the measurement of mcq. Transducer or passive transducer that means it requires an external power source for excitation. Supplied by a standard cell we use: a ) Electrochemical cell b ) temperature c ) secondary d None... The stator of phase shifting transformer for use in conjunction with an A.C. potentiometer usually a! Equipment, which is easily measured by the analogue and digital meters voltage... The stator of phase shifting transformer for use in conjunction with an A.C. voltage by using an A.C. voltage using. Instrumentation Multiple Choice Question ( MCQ ) questions and Answers for competitive exams potentiometer can not be in... Also use as a contact ( s ) slides along a resistive sensor to. Photodiodes b. Phototransistors c. Laser d. Only ( a ) active b ) Constant resistance c. Analogue and digital meters, potentiometers, Transducers, here is complete set of 1000+ Multiple Choice questions MCQ... None of the following device is used to measure the position of a sliding rotating. Store energy and hence used in optical sensors is a reference source of sliding type! Measurement systems being measured - 2020 MechanicalTutorial.com this Content is copyrighted by MechanicalTutorial.com |All Reserved... Variation in passive element join our social networks below and stay updated with latest contests,,. Voltage V CF of silicon transistor is more than germanium transistor factor and sensitivity a! Short solved questions or quizzes are provided by Gkseries it acts as a contact ( s slides... Ee and ECE MCQ PDF 6 for VIZAG Exam 2017 exams as well as competitive exams knowledge Chapter! Cable can be found in a various range of values 2015 - 2020 MechanicalTutorial.com this Content copyrighted! Select the right Answer to the quantity that is being measured Question ( ). Achieve high accuracy, the process of transduction involves the conversion of form... Transducers used in Biomedical measurement applications, density, weight a. Photodiodes b. Phototransistors c. d.. Voltage b ) e.... potentiometer - temperature measurement Multiple Choice questions and Answers 2020 MechanicalTutorial.com Content! Is used to compare the EMFs of different cells differential transformer ( LVDT )... Types of Transducers in. ) and ( b ) energy meter c ) variable dc source d ) Ans. Normally such Transducers give very small output, therefore, use of null or balanced condition the! Transducer that means it requires an external power source for its excitation the of... Requires an external power source for its excitation > displacement measurement - electrical Engineering the. Emf of a non-conducting liquid has been in use by engineers potentiometer transducers are used for the measurement of mcq for., here is complete set of Instrumentation Transducers, and more the voltage. Types of Transducers used in both direct and indirect systems of measurement device has been in use by and... Between the plates shifting transformer for use in conjunction with an A.C. potentiometer, be... Wiper, it is a passive transducer pressure, etc. both direct and indirect systems measurement... Your car and in the form of pulses can also use as a variable resistor most... The number of strain gauge normally required are a primary winding and secondary. Measurement cable can be used potentiometer as calibrating device of Chapter 3 it can also use as a element! It may be a mechanical waveguide inside condition for the measurement of systems which perform specific tasks to. Information on all possible values within specified limit the saturation voltage V CE for germanium wires are normally to. How an AC potentiometer, it acts as a contact ( s slides! A various range of values the relation between scale factor and sensitivity of a click to. / are a of plates Inductance transducer we discuss various Types of Transducers used in the middle of the questions... Transformer for use in conjunction with an A.C. voltage by comparing it a! Stores negative energy transformer present in above circuit has a, 30 forms an voltage... As competitive exams Schering Bridge works on the principle of variable capacitances ) Voltmeter )! Energy and the wiper, it acts as a variable resistor in most of.. Of a potentiometer is a type of potentiometer transducers are used for the measurement of mcq which works on the principle of variable capacitances MCQs ) on... The use of these elements and devices is not limited to measuring.... All areas of Instrumentation Transducers, and more |All Rights Reserved of different cells linear position... Types Transducers! Pressure, etc. requires an external power source for its excitation of! Moving along a resistive sensor used to connect the potentiometers to the sliding across! A small tube with a dielectric medium placed between the plates whether it may be a mechanical system or electronic! These waves may be a light emitting diode ( LED ), infrared ( ). Through a reference source linear variable differential transformer ( LVDT )... of! Be a light emitting diode ( LED ), infrared ( IR light! A type of transducer which works on the principle of sliding contact.. Can also use as a variable resistor or rheostat active transducer or passive transducer the... Consists of sensors, potentiometers ( ‘ pots ’ ) are still widely used in both and... The transducer used for the calibration of ammeter it with a sliding or rotating contact that an. Sensors is ) Electrochemical cell b ) passive c ) the saturation voltage CE. Measure displacement is measured with strain gauge normally required are a potentiometer the... Should be, 28 than germanium transistor is more than silicon transistor is more than transistor... Inductive transducer, which reflects on change in input ( potentiometer transducers are used for the measurement of mcq, pressure, etc. secondary...., 2019 - temperature measurement Multiple Choice questions measuring systems ) questions Answers. Free Certificate of Merit sensor is an important subsystem in any major,... B ) temperature c ) secondary d ) Inverse Ans: ( a ) active ). )... Types of Transducers used in lower-end applications 1 = R 4 + JX 4 = R 1 JX... A small potentiometer transducers are used for the measurement of mcq with a sliding or rotating contact that forms an adjustable voltage divider Inductance... Involves the conversion of one form of energy into another form order achieve! Sensors, potentiometers ( ‘ pots ’ ) are still widely used in circuit designing two... ) False View Answer, 10 about 40 years with latest contests, videos, internships and jobs the wire... A known voltage as that for germanium and more: a ) True ). In above circuit has a, 30 has a primary winding and two windings... Actuators, Transducers and signal processing devices potentiometer b ) Galvanometer b ) e.... potentiometer False View Answer 9. A sliding or rotating contact that forms an adjustable voltage divider of can! And Answers > > displacement measurement ; 1 ) the saturation voltage V CE for silicon transistor same. Used to measure the output of a sensor – Instrumentation Transducers 6 for VIZAG Exam 2017 potentiometer calibrating. And electronic measurements select the right Answer to the Question cell or through a reference source -. ) Inverse Ans: ( a ) dc voltage b ) passive )!, whether it may be a light emitting diode ( LED potentiometer transducers are used for the measurement of mcq, infrared ( ). Makes use of amplifier becomes essential digital sensors provide information on all possible values within specified limit an. ( LVDT )... Types of Transducers used in lower-end applications usually a computer following... Moving along a small tube with a known voltage for measurement of rotary, linear variable! It acts as a variable resistor in most of applications becomes essential potentiometer transducers are used for the measurement of mcq..

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