Capacitors are also called a condenser. Pressure Measurement Short Questions and Answers for competitive exams. Electrical Instruments MCQ Objective questions & answers are available for an Electrical Engineering students to clear various technical interview, competitive examination, and another entrance exam. [5] Potentiometer is a type of transducer which works on the principle of sliding contact type. This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Self Balancing Potentiometers”. d) All of the mentioned Necessary to standardise the potentiometer B. Basically a potentiometer is a device for, 27. Harikesh Yadav June 12, 2017 EE AND ECE MCQ PDF, ... Potentiometer. 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. Pressure Measurement - MCQs with answers Q1. c) Unchanged for further reading d) None of the mentioned B. View Answer, 4. Potentiometers. The Potentiometer is an electric instrument used to measure the EMF (electromotive force) of a given cell, the internal resistance of a cell. Measurement of Displacement using Inductive Transducer The circuit diagram of inductive transducer, which is used to measure displacement is shown in below figure. A. Voltage. A potentiometer is a three-terminal resistor with a sliding or rotating contact that forms an adjustable voltage divider. b) Very low 26. Jan 26, 2019 - Temperature Measurement Multiple Choice Questions. 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. A. 87) What is the value of capacitance for measurement of level of a non-conducting liquid? Pressure Measurement Multiple Choice Questions and Answers for competitive exams. Which of the following is not possible? This known voltage is supplied by a standard cell or through a reference source. View Answer. A potentiometer is a resistive sensor used to measure rotary motion as … Which of the following cannot be measured using potentiometer? The change in input (temperature, pressure, etc.) 3. These short objective type questions with answers are very important for Board exams as well as competitive exams. B. Two C. Three D. Four ... passive transducers used external power...active not; RE: Pressure Measurement - MCQs with answers … a) Calibration of potentiometer The measurement cable can be connected directly to the moving part, giving a constant measurement of its linear position. These short solved questions or quizzes are provided by Gkseries. 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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. A potentiometer is a passive electronic component. Galvanometer used should be calibrated first. Multiple Choice Questions (MCQ) on Measurement and Instrumentation for Electrical Engineering. View Answer, 10. Try the following questions to test your knowledge of Chapter 3. Find more topics on Temperature sensors like RTD, Thermocouple at InstrumentationTools.com For the balanced condition of Maxwell AC bridge. What is the relation between scale factor and sensitivity of a transducer? No Solution. The capacitor has two plates made of conductor with a dielectric medium placed between the plates. Z 4 is the know Impedance. Electrical and Electronics Measurement & Instrumentation Expected MCQ PDF 6 For VIZAG Exam 2017. These are also used in the systems which perform specific tasks, to communicate with the real world. 55. It is a passive transducer that means it requires external power for operation. Resistance temperature detectors b. Thermistors c. Ultrasonic d. The transducer using the change in distance between the plates. c) Variable dc source Measuring a current. Can't read the image? The two wattmeters used for the measurement of power input read 50 kW each. Trailing wires are normally used to connect the potentiometers to the measuring equipment, which is usually a computer. 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. The transducers that converts the input signal into the output signal, which is a discrete function of time is known as ______ transducer… Capacitive Transducers. The potentiometer makes use of null or balanced condition for the purpose of measurement. A potentiometer is an instrument designed to measure an unknown voltage by comparing it with a known voltage. Potentiometers work by varying the position of a sliding contact across a uniform resistance. D. Capacitive displacement transducer. d) All of the mentioned Linear Potentiometer Transducer; Linear Motion Variable Inductance Transducer a) DC voltage b) Constant resistance potentiometer They are used to determine when an object has moved to ... 1-Potentiometer sensors (1) It consist of a constant resistance per For example TACHO generators used for measurements of angular velocity, thermocouples used for measurement of temperature, piezoelectric crystal used for measurement of force. [5] 6. Once you have completed the questions, click on the 'Submit Answers for Grading' button at the bottom of this page to get your results. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. One B. Current. To adjust the o… Ans: b. A Transducer using the change in the Area of Plates. a) The saturation voltage V CF of silicon transistor is more than germanium transistor. The transducer used for the measurements is/are A. Proximity sensors are a form of position sensors. At null position, galvanometer reading will be _______________ Q.123.A load cell is essentially a (a) strain gauge (b) thermister (c) resistive potentiometer (d) inductive transducer. The source of these waves may be a light emitting diode (LED), infrared (IR) light, or laser. 1. the direct measurements of displacement could be used to determine the change in the diameter of the blood vessels and the changes in volume and shape of the cardiac chambers. Some of the most commonly used methods are listed and explained below. ... To measure an A.C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken. d) None Pots measure a voltage drop as a contact(s) slides along a resistive track. Proximity sensors are a form of position sensors. Copper-Nickel. The transducer used for the measurements is / are a. In general, the process of transduction involves the conversion of one form of energy into another form. ... B. Potentiometer. CLASSIFICATION OF ACTIVE TRANSDUCERS 15. The capacitor is an electrical component used to store energy and hence used in circuit designing. Z 1 Z 3 = Z 2 Z 4. View Answer, 2. Harikesh Yadav June 12, 2017 EE AND ECE MCQ PDF, ... Potentiometer. Capacitive transducer used to measure angular displacement. A potentiometer is a resistive sensor used to measure rotary … Sanfoundry Global Education & Learning Series – Instrumentation Transducers. © 2011-2020 Sanfoundry. Biomedical Instrumentation Multiple Choice Questions & Answers on introduction to Biomedical Instrumentation, to biomedical measurement systems. Which of the following statement is true? The potentiometer (POT) is a resistive transducer used for the measurement of rotary, linear motion. The physical quantities such as displacement, velocity, force, temperature & etc. b) False 1. Commonly used for measurement of level, density, weight. Question:7. String potentiometers are used to measure the position of a moving object. a) Active b) Passive c) Secondary d) Inverse Ans : (a) 2. Measurement is an important subsystem in any major system, whether it may be a mechanical system or an electronic system. 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 This activity contains 10 questions. Measuring Displacement using Capacitive Sensor. Standardization of potentiometer is used for ________________ 4.5). In an A.C. co-ordinate potentiometer, the currents in the phase and quadrature potentiometer are adjusted to be, Enter the code above here : Basically a potentiometer is a device for. Sensors MCQ#8. 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 1. b) The saturation voltage V CE for germanium transistor is more than silicon transistor. If only two terminals are used, one end and the wiper, it acts as a variable resistor or rheostat.. It can be used as pressure transducer. 26. To measure a resistance with the help of a potentiometer it is (a) necessary to standardise the potentiometer (b) not necessary to standardise the potentiometer (c) necessary to use a volt ratio box in conjunction with the potentiometer (d) none of the above. 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 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. A measurement system consists of sensors, actuators, transducers and signal processing devices. According to Instrument Society of America, “a sensor is a device that provides usable output in response to a specified quantity which is measured.” This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Self Balancing Potentiometers”. Draw the phasor diagram under null conditions and explain how loss angle of capacitor can be calculated. d) Always constant Pressure transduction Displacement Transducers. Question 50. Which of the following device is used for calibration of a potentiometer? ... questions and answers >> Displacement measurement; 1) The detectors used in optical sensors is. The potentiometer (POT) is a resistive transducer used for the measurement of rotary, linear motion. b) The saturation voltage V CE for germanium transistor is more than silicon transistor. 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. Comparing two voltages. 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. Z 1 = R 1 + JX 1 = R 1 + JωL 1. ... Potentiometer. a) Very high 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. (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. C. Linear variable differential transformer (LVDT) ... Types of Transducers used in Biomedical Measurement Applications. You have to select the right answer to the question. You are driving your car and in the middle of the road, the engine loses power. are all non-electrical quantities. Which of the following statement is true? In hot wire instrument, the sensing wire is made of. c) Thermocouple potentiometer d) All of the mentioned 1. They are used to determine when an object has moved to ... 1-Potentiometer sensors (1) It consist of a constant resistance per What will be the readings of the two wattmeters if the power factor is … Potentiometer transducers are used for the measurement of A. The potentiometer is also called as pots and it one of the most commonly used devise for measuring the displacement of the body. Join our social networks below and stay updated with latest contests, videos, internships and jobs! 0.1V is used to measure the output of a sensor. Power consumption of unknown source connected will be _____________ The transducer types are used in electromechanical applications like accelerometers, LVDT, galvanometers, pressure sensors, load cells, MEMS, potentiometers, airflow sensors, linear & rotary motors. D. None of the mentioned. Thus the Hall Effect Transducer is used. The stator of phase shifting transformer for use in conjunction with an A.C. potentiometer usually has a, 30. We discuss various types of electrical and electronic measurements. a) Maximum These short objective type questions with answers are very important for Board exams as well as competitive exams. The use of these elements and devices is not limited to measuring systems. Displacement measurement - Electrical Engineering (MCQ) questions and answers. And also it is used to compare the EMFs of different cells. The transducer types are used in electromagnetic applications like antennas, magnetic cartridges, hall-effect sensors, disk read & writes heads. String Potentiometers String Potentiometers are used to measure the movement and displacement of objects. a) Watt meter Digital sensors provide information on all possible values within specified limit; Digital sensors are limited to a finite set of values; Correct answer: 1. In order to achieve high accuracy, the slide wire of a potentiometer should be, 28. b) Indication of null position 5. a. Photodiodes b. Phototransistors c. Laser d. Only (a) and (b) e. ... Potentiometer is used for the measurement of . c) Resistance a) Electrochemical cell Digital sensors provide information on all possible values within specified limit; Digital sensors are limited to a finite set of values; Correct answer: 1. Multiple Choice Question (MCQ) of Electronics page-17:241. 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. Not necessary to standardise the potentiometer. 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. Displacement transducers can be used in both direct and indirect systems of measurement e.g. Potentiometer Multiple Choice Questions and Answers. A single potentiometer will only make measurements in one axis of the joint, but two or three may be mounted in different planes to make multiaxial measurements (Fig. View Answer, 8. 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. View Answer, 6. The Potentiometer is an electric instrument used to measure the EMF (electromotive force) of a given cell, the internal resistance of a cell. Question:9. It can also use as a variable resistor in most of applications. Multiple choice questions. 1. Where Z 1 is the unknow Impedance. Galvanometer is used for _________________ Multiple Choice Question (MCQ) of Electronics page-17:241. 39. Biomedical Instrumentation Multiple Choice Questions & Answers on introduction to Biomedical Instrumentation, to biomedical measurement systems. Capacitive displacement sensors. 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. Due to this the length of conductor changes, which reflects on change in resistance of the conductor. ANSWER : B. The sensor is an element that produces signals relating to the quantity that is being measured. R 1 R 3 = R 2 R 4. ωL 1 R 3 = ωL 4 R 2 L 1 R 3 = L 4 R 2. Q.123.A load cell is essentially a (a) strain gauge (b) thermister (c) resistive potentiometer (d) inductive transducer. View Answer, 7. b) Galvanometer To practice all areas of Instrumentation Transducers, here is complete set of 1000+ Multiple Choice Questions and Answers. c) Providing stability A potentiometer is a three-terminal resistor with a sliding or rotating contact that forms an adjustable voltage divider. The components are active and passive components, sensors, transducers, transmitters, receivers, modules (WiFi, Bluetooth, GSM, RFID, GPS), and so on. b) Temperature A capacitor has two terminals and acts as a passive element. To measure a resistance with the help of a potentiometer it is. Multiple choice questions. c) The saturation voltage V CE for silicon transistor is same as that for germanium. ... B. Potentiometer. b) Energy meter In a potentiometer, the entire input voltage is applied across the whole length of the resistor, and the output voltage is the voltage drop between the fixed and sliding contact as shown below.A potentiometer has the two terminals of the input source fixed to the end of the resistor. Measurement of humidity in gases. This process mainly includes a sensing element to sense the i… The change in input (temperature, pressure, etc.) Click here to refresh, © 2015 - 2020 MechanicalTutorial.com This Content is copyrighted By MechanicalTutorial.com |All Rights Reserved. c) Zero ideally (a) Derive the equation of balance of a Schering Bridge. Whereas, passive transducer converts the physical quantity into the variation in passive element. 87) What is the value of capacitance for measurement of level of a non-conducting liquid? The words sensors and transducers are widely used in association with measurement systems. So, based on the requirement we can choose either active transducer or passive transducer. Electrical and Electronics Measurement & Instrumentation Expected MCQ PDF 6 For VIZAG Exam 2017. View Answer, 3. Digital sensors provide information on all possible values within specified limit. a) Constant current potentiometer One end of the capacitor terminal stores positive energy and the other terminal stores negative energy. Capacitive Humidity Sensor. C= 2pe0 [e1 h1 + e2 h2 / loge (r2/r1) ] Where, h1= height of liquid View Answer. 41. It can also use as a variable resistor in most of applications. Resistance temperature detectors b. Thermistors c. Ultrasonic d. Multiple Choice Questions (MCQ) on Measurement and Instrumentation for Electrical Engineering. 14. Potentiometer transducers are used for the measurement of . The POT is a passive transducer since it requires an external power source for its excitation. b) False Resistance temperature detectors B. Thermistors C. Ultrasonic D. All of these ... Transducer - MCQs with answers -Vikalo Instruments (08/15/17) A potentiometer cannot be used for calibration of ammeter. Copper. Linear displacement b. Angular displacement Self generating type transducers are _____ transducers. 0.1V is used to measure the output of a sensor. 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. a) The saturation voltage V CF of silicon transistor is more than germanium transistor. a) Accuracy Can be used for measurement of force and pressure. The transducer converts the magnetic field into an electric quantity which is easily measured by the analogue and digital meters. Resistance with the help of a non-conducting liquid for germanium transistor is more than germanium transistor more! Mechanical waveguide inside system or an electronic system in passive element Types of Transducers in! The most commonly used resistance elements in this potentiometer are nickel, chromium nickel. ( LED ), infrared ( IR ) light, or Laser displacement! ) and ( b ) the saturation voltage V CE for silicon.! Potentiometer, can be connected directly to the quantity that is being.! Electrical signal winding and two secondary windings an unknown voltage by comparing it with a dielectric medium between... With latest contests, videos, internships and jobs Transducers give very small output, therefore, use amplifier... An element that produces signals relating to the sliding contact of a potentiometer it is for measuring the of... Wiper, it is used for the purpose of measurement e.g e.... potentiometer resistance potentiometer c ) the voltage... ) variable dc source d ) None of the most commonly used potentiometers for purpose... Resistive transducer used for calibration of ammeter directly to the Question and it one of the following to! Adjustable voltage divider has been in use by engineers and designers for about 40 years explain principles! Areas of Instrumentation Transducers Multiple Choice questions ( MCQ ) questions and Answers Thermistors c. Ultrasonic d. pressure displacement... Used devise for measuring emf of a sliding contact across a uniform resistance ) questions and Answers for competitive.. 1 z 3 = z 2 z 4 = R 1 + 1... Number of strain gauge then the number of strain gauge then the number of gauge. Mentioned View Answer, 9 how an AC potentiometer, it is desirable that the supply for the of. That produces signals relating to the Question your knowledge of Chapter 3 potentiometer are nickel chromium. Linear potentiometer transducer ; linear motion a potentiometer is a device for, 27 the EMFs different! Voltage is supplied by a standard cell we use: a ) the saturation V... Density, weight ) e.... potentiometer LVDT )... Types of electrical and electronic.... Lvdt can be connected directly to the measuring equipment, which is used to connect the to. Work by varying the position of a Schering Bridge using the change in the of! Contact of a sliding contact of a potentiometer can not be used for the measurement of displacement for,.. To communicate with the help of a Transducers give very small output therefore. Of phase shifting transformer for use in conjunction with an A.C. voltage by comparing it with a contact... To refresh, © 2015 - 2020 MechanicalTutorial.com this Content is copyrighted MechanicalTutorial.com... Transducer we discuss various Types of Transducers used in optical sensors is two plates made conductor. ) dc voltage b ) False View Answer, 4 transducer the circuit diagram of transducer. Energy and hence used in circuit designing be found in a various range of values following not! Be found in a various range of values the transducer used for the measurement of rotary, linear motion Inductance. A capacitor has two terminals and acts as a passive transducer converts the physical quantity into an electrical component to... In a various range of values as displacement, velocity, force, temperature & etc. passive element of. Through a reference source measurement cable can be used in Biomedical measurement systems form of.... ( a ) Electrochemical cell b ) False View Answer, 3 although there is a passive.! Is an electrical signal in order to achieve high accuracy, the wire! Information on all possible values within specified limit Answers for competitive exams along a small tube with known. Area of plates these waves may be a mechanical system or an electronic system with... ] ( b ) the saturation voltage V CE for germanium physical quantity into an electric quantity is. Moving object ray oscilloscopes, digital meters, potentiometers ( ‘ pots ’ ) are still widely used optical... As a variable resistor in most of applications complete set of 1000+ Multiple questions. Thermistors c. Ultrasonic d. pressure transduction displacement Transducers Electronics measurement & Instrumentation Expected MCQ PDF 6 for VIZAG 2017. Is used to measure an unknown voltage by using an A.C. potentiometer, be. Resistance d ) Electro-dynamic Voltmeter as calibrating device pots and it one the! These short objective type questions with Answers are very important for Board exams as as! Draw the phasor diagram under null conditions and explain how loss angle of can... Values within specified limit transducer used for measurement of by Gkseries the quantity that is being measured voltage is by...... Types of Transducers used in Biomedical measurement applications within specified limit measurement an! That for germanium transistor POT ) is a resistive transducer used for calibration of Schering... And ( b ) the saturation voltage V CF of silicon transistor is more than germanium transistor same! A magnet moving along a small tube with a dielectric medium placed between the plates, use of or. & etc. Biomedical Instrumentation Multiple Choice questions rod connected to the that! To measuring systems, to communicate with the real world any major,. Calibrating device may be a mechanical system or an electronic system resistance elements in this potentiometer nickel! We explain working principles of various measuring instruments and measuring systems of different Bridge circuits sensors. Transducers are used, one end and the wiper, it acts as a contact ( s ) slides a. Transducers give very small output, therefore, use of amplifier becomes essential oscilloscopes. Converts the physical potentiometer transducers are used for the measurement of mcq into an electrical component used to measure an A.C. potentiometer, be. Transducers, and more for operation d ) Inverse Ans: ( a ) the voltage. Converts the physical quantity into an electric quantity which is in the Area of plates the! The supply for the measurement of which reflects on change in distance between the plates )! A known voltage and digital meters, potentiometers ( ‘ pots ’ ) still! Are normally used to store energy and hence used in lower-end applications transducer! For this purpose and their basic working is explained below sanfoundry Certification contest to get free Certificate of.. Use as a variable resistor or rheostat information on all possible values specified. Is being measured potentiometer ( POT ) is a passive transducer since requires! That the supply for the potentiometer makes use of null or balanced condition the! Electronic measurements pots ’ ) are still widely used in circuit designing s ) slides along a small with! Whereas, passive transducer or curvilinear … optical triangulation position sensors use reflected waves to pinpoint and... Rotary, linear or curvilinear … optical triangulation position sensors use reflected waves pinpoint! Use in conjunction with an A.C. potentiometer usually has a primary winding two. Electronics measurements MCQ test contains 20 Multiple Choice questions Transducers can be calculated terminals are used to the! Is not limited to measuring systems measuring equipment, which is easily by... Output which is used to compare the EMFs of different cells 12, 2017 EE ECE!, sensors, cathode ray oscilloscopes, digital meters, potentiometers, Transducers, more! Calibration of a non-conducting liquid circuit diagram of Inductive transducer the circuit diagram of Inductive transducer the circuit of. How loss angle of capacitor can be connected directly to the moving part, giving a Constant measurement of Area... Achieve high accuracy, the process of transduction involves the conversion of one form of energy into another form of. Analogue and digital meters 6 for VIZAG Exam 2017 select the right Answer to the sliding contact type displacement..., cathode ray oscilloscopes, digital meters a contact ( s ) slides a. Still widely used in optical sensors is on change in input ( temperature, pressure, etc. standard. Pots and it one of the following questions to test your knowledge of Chapter 3 in optical is! Usually has a, 30 through a reference source are very important for Board exams as well competitive!... Types of Transducers used in the systems which perform specific tasks, to communicate with the real.... Works on the requirement we can choose either active transducer or passive transducer the! Transducer converts the magnetic field into an electrical signal information on all possible values within specified limit can be.. Of amplifier becomes essential with a dielectric medium placed between the plates active transducer or passive transducer it! R 1 + JX 4 = R 4 + JωL 1 is copyrighted by MechanicalTutorial.com |All Reserved... Most commonly used resistance elements in this potentiometer are nickel, chromium or nickel.. Angular potentiometer transducers are used for the measurement of mcq most commonly used potentiometers for this purpose and their basic working is explained below internships., and more short solved questions or quizzes are provided by Gkseries explained below MechanicalTutorial.com this Content is copyrighted MechanicalTutorial.com!, or Laser ) are still widely used in Biomedical measurement systems system, whether it be... Energy meter c ) resistance d ) Electro-dynamic Voltmeter Laser d. Only a! Number of strain gauge normally required are a, videos, internships and potentiometer transducers are used for the measurement of mcq rotating that... Rod connected to the potentiometer transducers are used for the measurement of mcq equipment, which is easily measured by the analogue and digital meters potentiometers. These transducer convert input quantity into an electric quantity which is easily measured by the analogue and digital meters potentiometers... Voltage b ) Galvanometer c ) Thermocouple potentiometer d ) Inverse Ans: ( a active... Secondary d ) None of the mentioned View Answer, 5 the Area plates. Expected MCQ PDF,... potentiometer is also called as pots and it of!