However, its … Piezo – electric transducers work when we apply _____ to it. C. Load cell, torque meter and accelerometer only. Errors: The transducer should maintain the expected input-output relationship as described by the transfer function so as to avoid errors. When a piezoelectric material is subjected to stress or force, it generates an electrical potential or voltage proportional to the magnitude of the force. b) low voltage Tactile sensors are touch sensitive sensors so option 3 is correct for tactile sensors. Piezoelectric transducers generate an electric voltage that is proportional to the vibration acceleration, due to the pressure applied on a piezoelectric crystal. View Answer, 4. b) Non-polar Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Accelerometers need an external power supply Piezoelectric crystals __________ Measurement of Power & Related Parameters, here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Electrical Measurements Questions and Answers – Thermoelectric Transducer, Next - Electrical Measurements Questions and Answers – Photoelectric Transducers, Electrical Measurements Questions and Answers – Thermoelectric Transducer, Electrical Measurements Questions and Answers – Photoelectric Transducers, Optical Communications Questions and Answers, Solid State Chemistry Questions and Answers, Instrumentation Transducers Questions and Answers, Design of Electrical Machines Questions and Answers, Electrical Machines Questions and Answers, Electrical & Electronics Engineering Questions and Answers, Electrical Engineering Questions and Answers, Basic Electrical Engineering Questions and Answers, Electrical Measurements Questions and Answers, Electrical Measurements Questions and Answers – Lag Adjustment Devices, Electrical Measurements Questions and Answers – Consideration in Selecting Voltmeter, Electrical Measurements Questions and Answers – Measurement Errors in a Wheatstone Bridge, Electrical Measurements Questions and Answers – Classification of Transducers, Electrical Measurements Questions and Answers – Advanced Problems on Error Analysis in Electrical Instruments, Electrical Measurements Questions and Answers – Transducers, Electrical Measurements Questions and Answers – Process Control System, Electrical Measurements Questions and Answers – Applications of Wheatstone Bridge, Electrical Measurements Questions and Answers – Basic Electronic Voltmeter, Electrical Measurements Questions and Answers – Resistance Temperature Detector. Quartz is used as piezo electric transducer, as it exhibits the moderate piezo electric effect and having moderate mechanical strength among those three piezo electric substances. A piezoelectric transducer is used as an ignition source for a cigarette. Piezo-electric crystals gets easily dissolved in _____ a. high humidity circum-ambient due to higher water solubility b. low humidity circum-ambient due to lesser water solubility c) 3 d) Dominating its voltage sensitivity constant is . The shape of piezoelectric crystal is a hexagonal, and it includes three axes namely optical, electrical, & mechanical. A quartz crystal is _________ a) non-electrical quantities C. Michael Faraday. Practice these Artificial Intelligence MCQ questions on Robotics with answers and their explanation which will help you to prepare for various competitive exams, interviews etc. 1. Related posts: A piezoelectric transducer is one that can generate a voltage proportional to the stress applied to it. View Answer, 2. A piezoelectric crystal detects the Korotkoff… The piezoelectric transducer uses the piezoelectric material which has a special property, i.e. Natural piezoelectric materials such as quartz (SiO 2) and Rochelle salt (NaKC 4 H 4 O 6–4 H … View Answer, 5. 1. which one of the following is piezoelectric material ? a) very high sensitivity b) deik/dχ This quiz section consists of total 10 questions. ELECTICAL/ELECTRONIC MCQ TEST Tuesday, 11 December 2012. elecrical engineering . All piezoelectric transducers work on the piezoelectric effect. This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Piezoelectric Transducer”. These transducers work according to the piezoelectric … Sounds from heart chambers are measured with Catheter-tip piezoelectric sensors. A sensor that converts speed rotation directly into an electrical signal is called a tachogenerator.it is used to convert angular speed into a directly dependent voltage signal. d) Asymmetric A piezoelectric crystal detects the Korotkoff… The most well known, and the first piezoelectric material used in electronic devices is the quartz crystal. What Are The Suitable Materials For Piezo Electric Transducer? It is connected to a digital oscilloscope with an input impedance of directly. c) grinding Piezo-electric crystals gets easily dissolved in _____ a. high humidity circum-ambient due to higher water solubility Transducer - MCQs with answers Q1. View Answer, 7. A piezoelectric transducer is a device which transforms one type of energy to another by taking advantage of the piezoelectric properties of certain crystals or other materials. A pinoybix mcq, quiz and reviewers. Piezoelectricity means _________________ All Rights Reserved. d) both positive and negative charges are induced This voltageis … a) positive charges are induced It is named a piezoelectric effect. The main advantage of digital transducers include (A) 1, 2 and 4 (B) 1, 2 and 3 (C) 2, 3 and 4 (D) 1, 2, 3 and 4 MCQ 18 Load cell employ (A) piezoelectric crystal (B) capacitor (C) mutual inductance (D) strain gauges MCQ 19 A 5-channel dc to 60 Hz telemetry system uses PAM and PCM systems. The working of this crystal is whenever force is applied to the crystal then it generates the electricity. Piezoelectric transducers depend on the fact that many crystals show the property of piezo-electricity. Applications. c) Large in Magnitude A piezoelectric transducer has very high DC output impedance and can be modeled as a proportional voltage source and filter network.The voltage V at the source is directly proportional to the applied force, pressure, or strain. These are also used in the systems which perform specific tasks, to communicate with the real world. Artificially manufactures piezoelectric materialsare Polyvinylidene difluoride, PVDF or PVF2, Barium titanate, Lead titanate, Lead zirconate titanate (PZT), Potassium niobate, Lithium niobate, Lithium tantalate, and othe… d) any quantity ... c piezoelectric effect. Due to d, polarization is proportional to strain and sign changes accordingly. Piezoelectric effect is ___________ a) Mechanical force b) Vibrations c) Illuminations d) Heat Ans : (a) 17. View Answer, 10. Two piezoelectric oscillators c. a) True c) are not soluble in water View Answer, 6. Question:4. Transducer - MCQs with answers Q1. Load cell only. No Solution. The components are active and passive components, sensors, transducers, transmitters, receivers, modules (WiFi, Bluetooth, GSM, RFID, GPS), and so on. b) lighting a gas stove c) Pressure electricity Piezoelectric Transducers. This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “Piezoelectricity”. MCQ in Industrial Electronics Part 9 of the series as Electronics Engineering topic in ECE Board Exam. Electrical signal into non electrical quantity B. c) Symmetric D. Load cell, torque meter, accelerometer and flow-meter. What Is Piezoelectric Transducer? View Answer, 7. d) Transducer The goal is to design a low frequency (under 40 KHZ) Piezoelectric transducer. The piezoelectric materials used for converting energy are called as ___________ View Answer, 8. The communication can be … B. View Answer, 8. Piezo-electric transducers are a) Passive transducers b) Inverse transducers c) Digital transducers d) Pulse transducers Ans : (b) 16. Piezoelectric Transducer Contents hide 1. d) mixing Electrical signal into non electrical quantity B. What Is Piezoelectric Transducer? Piezoelectric Transducer Contents hide 1. You can get the Quiz Answers after submitting all quiz questions. Limitations & Applications of Transducers - MCQs with answers 1. A. Threashold. View Answer. c) P = Zd + εoχE View Answer, 3. – piezoelectric transformers – piezoelectric scanning tunneling microscope tip Microsensors – accelerometers – micro-resonators – surface acoustic wave (SAW) devices – underwater acoustic imaging sensors. A piezoelectric ultrasonic transducer generates ultrasonic activity, meaning it measures the pressure of sound waves above the frequencies that can be heard by the human ear. You need to score at-least 50% to pass the quiz i.e. 3) Piezo electric 4) Resistance types 14) Name few materials used in binding of strain gauge? Engineering. Process Instrumentation and Control Multiple Choice Questions. Net charge appears at surfaces of the crystal, readable as voltage. A pinoybix mcq, quiz and reviewers. C. Time Constant. In the piezoelectric method, electric dipoles align towards electric field. a) True ... MCQ A Piezoelectric transducer is a voltage source of with an internal impedence of . d) deik/dε This process mainly includes a sensing element to sense the i… d) quartz crystal a) Transition Devices b) 2 There are a variety of piezoelectric materials that can conduct an electric current, both man-made and natural. All Piezoelectric materials are Ferroelectric. A piezoelectric transducer is a special kind of sensor, and the main function of this transducer is to convert mechanical energy into electrical energy. Sanfoundry Global Education & Learning Series – Electrical Measurements. No regular cubic lattice can exhibit piezoelectricity. Other naturally occurring piezoelectric materials include cane sugar, Rochelle salt, topaz, tourmaline, and even bone. 1. Piezoelectric Effect (PPT, 89kb) Piezoelectric Elements (PPT, 178kb) The active element of most acoustic transducers used today is a piezoelectric ceramic, which can be cut in various ways to produce different wave modes. Ans: d. (a is not more accurate) 39. a) Mechanical force b) Vibrations c) Illuminations d) Heat Ans : (d) 17. B. © 2011-2020 Sanfoundry. c) no charge is induced Harikesh Yadav June 12, 2017 EE AND ECE MCQ PDF, ... A vibrating level sensors consist of a. Electrical and Electronics Measurement & Instrumentation Expected MCQ PDF 6 For VIZAG Exam 2017. Transducers, Measurement & Instrumentation: Questions 1-5 of 13. The most used piezoelectric materials are PZT, a ceramic containing lead titanate and lead zirconate and PZLT, a ceramic of lead-lanthanum-zirconate-titanate. c Scattering and impedance. Piezoelectric actuators and sensors Performance Criteria – Actuators generative force/momentum displacement frequency response Which one of the following transdure is an active transducers? They can measure a wide frequency range, usually between 2 Hz and 15,000 Hz and are compact and easy easily to mount. b) a photoelectric transducer d) 4 Function of transducer is to convert A. b) Mechanical Stress is applied The Piezoelectric Ultrasonic Transducer. The transducer used for the measurements is / are a. Mechanical stress leading to electric displacement in crystal, linked by the piezoelectric displacement coefficient d. Also as electrical polarization due to mechanical strain. Pierre Curie discovered the piezoelectric effect in 1880, but only in the 1950s did manufacturers begin to use the piezoelectric effect in industrial sensing applications. a) no voltage This is the basic piezoelectric transducer working principle. A pinoybix mcq, quiz and reviewers. Piezoelectric Transducer can measure pressure in the same way a force or an acceleration can be measured. c) Electric field is applied In kitchen applications a piezoelectric crystal is used for _________ a) P = Zd + E a) True a) a chemical transducer There are a variety of piezoelectric materials that can conduct an electric current, both man-made and natural. These transducers are based upon the natural phenomenon of certain non-metal and di-electric components. Piezo electric … Disadvantages of Piezoelectric Transducer 4.1. The principle of operation of variable resistance transducer is a) Deformation leads to change in resistance b) Displacement of a contact slider on a resistance c) … Applications of Piezoelectric Material(Transducer) 3. View Answer, 2. Transducers Definition of transducers – Classification of transducers ... Thermocouples – Synchros – Piezo electric transducers – Photo diodes. Piezoelectric sensors are versatile tools for the measurement of various processes. d) very high voltage D. All of The Above. Piezoelectric transducer is used for measuring __________ a) non-electrical quantities b) electrical quantities c) chemical quantities d) any quantity 2. MCQ in Industrial Electronics Part 10 of the series as Electronics Engineering topic in ECE Board Exam. MCQ in Industrial Electronics Part 10 of the series as Electronics Engineering topic in ECE Board Exam. Engineering Multiple Choice Questions and Answers Pdf 2020 MCQ quiz on Dairy Technology multiple choice questions and Self generating type transducers are _____ transducers. Answer : They convert pressure or force into electrical charge. It functions by rapidly expanding and contracting when appropriate electrical frequency and voltage is applied. a Intensity and resolution. Tacuna Systems offers a wide product line of quality load cells to … A. Marie Currie. When a compressive force is applied to a quartz crystal then ____________ Piezoelectric effect is when materials produce electric charges when ____________ b) False d impedance effect. Piezoelectric transducers are more durable than other load cells, and have a high frequency response. ... What determines the transducer frequency selection for diagnostic ultrasound? Other naturally occurring piezoelectric materials include cane sugar, Rochelle salt, topaz, tourmaline, and even bone.Quartz crystal. View Answer, 9. The Piezoelectric transducer is an electroacoustic transducer use for conversion of pressure or mechanical stress into an alternating electrical force. Some of the types of piezoelectric materials are: Naturally Available Ones: Quartz, Rochelle salt, Topaz, Tourmaline-group minerals, and some organic substances as silk, wood, enamel, bone, hair, rubber, dentin. Measurement is an important subsystem in any major system, whether it may be a mechanical system or an electronic system. Question 52. c) chemical quantities One piezoelectric oscillators b. Which type of sensor is a tactile sensor. The transducers that converts the input signal into the output signal, which is a discrete function of time is known as ______ transducer… b) dissolve in water b) False To practice all areas of Engineering Physics, here is complete set of 1000+ Multiple Choice Questions and Answers. here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Engineering Physics Questions and Answers – Ferroelectricity, Next - Engineering Physics Questions and Answers – Types of Dielectric Materials, Engineering Physics Questions and Answers – Ferroelectricity, Engineering Physics Questions and Answers – Types of Dielectric Materials, Chemical Engineering Questions and Answers, Mechanical Engineering Questions and Answers, Engineering Materials and Metallurgy Questions and Answers, Instrumentation Engineering Questions and Answers, Electrical & Electronics Engineering Questions and Answers, Agricultural Engineering Questions and Answers, Mechatronics Engineering Questions and Answers, Metallurgical Engineering Questions and Answers, Electronics & Communication Engineering Questions and Answers, Strength of Materials Questions and Answers, Geotechnical Engineering I Questions and Answers, Electrical Engineering Questions and Answers, Solid State Chemistry Questions and Answers, Microwave Engineering Questions and Answers, Electromagnetic Theory Questions and Answers, Basic Electrical Engineering Questions and Answers, Engineering Physics I Questions and Answers, Engineering Physics Questions and Answers – Polarisation of Light. These transducers are based upon the natural phenomenon of certain non-metal and di-electric components. The output signal is then related to this mechanical force as if it had passed through the equivalent circuit. b) P = Zd + εoE The electrical signal produced may be a voltage, current or frequency. Load cell and torque meter only. a) skimming milk Set 1; Set 2 ) ) Question 1 of 220. Load cells are extremely accurate measuring devices used in a variety of applications. Conclusion. 1. Real-time Radiography Real-time radiography (RTR), or real-time radioscopy, is a nondestructive test (NDT) method whereby an image is produced electronically, rather than on film, so that very little lag time occurs between the item being exposed to radiation and the resulting image. View Answer, 3. In general, the process of transduction involves the conversion of one form of energy into another form. c) not a self-generating transducer Operating Principle: The transducer are many times selected on the basis of operating principle used by them. Resistance temperature detectors b. Thermistors ... One piezoelectric oscillators b. The microphone operates in the flat frequency range of 20 to 1000 Hz, which suppresses the breathing sounds and room noise. certain materials that generate electric potential or voltage when mechanical strain is applied to them or conversely when the voltage is applied This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “Piezoelectricity”. Piezoelectric crystals produce _________ View Answer, 10. The following transducer(s) may employ strain gauge as a secondary transducer. They can be adapted to application requirements by using different piezoceramic materials, electrodes, and assembling technology. Sanfoundry Global Education & Learning Series – Engineering Physics. Transducer diameter must be under 16 mm. The pressure measuring quartz disc stack faces the pressure through a diaphragm and on the other side of this stack, the compensating mass followed by a compensating quartz. INTODUCTION A device which converts a physical quantity into the proportional electrical signal is called a transducer. Active transducer is a transducer, which converts the non-electrical quantity into an electrical quantity. Piezoelectric transducer consists of _________ They are used for quality assurance, process control, and for research and development in many industries. b) False The Following Section consists of Multiple Choice Questions on Thyristors and Tranducers. Non electrical quantity into electrical signal C. Electrical signal into mechanical quantity D. All of these View Answer / Hide Answer All the Best. © 2011-2020 Sanfoundry. d) Polar dielectric Piezoelectric effect is when materials produce electric charges when _____ a) Voltage is applied b) Mechanical Stress is applied c) Electric field is … 'Piezoelectric Transducer Questions and Answers Sanfoundry June 20th, 2018 - This set of Electrical Measurements amp Measuring Instruments Multiple Choice Questions amp Answers MCQs focuses on d) a self-generating transducer Applications of Piezoelectric Material(Transducer) 3. Which type of sensor is a tactile sensor: Piezoresistive; Piezoelectric; Capacitive; Elastoresistive sensors; All of … Related posts: A piezoelectric transducer is one that can generate a voltage proportional to the stress applied to it. Response Time. a) Polar a) True (Image source)As piezoelectric technology started to take off after World War I we began devel… c) high sensitivity Question 51. Two piezoelectric oscillators c. Three piezoelectric oscillators d. Which of the following is the correct expression for Piezoelectric effect? c) deik/dEi The piezoelectric effect is a property of natural crystalline substances to develop electric potential along a crystallographic axis in response to the movement of charge as a result of mechanical deformation. View Answer, 9. If the voltage output is 127.3V, The applied load is approximately, d) zero sensitivity Application of Piezoelectric Transducer Crystal microphone measures and records the Heart sounds (Phonocardiography). Electrical and Electronics Measurement & Instrumentation Expected MCQ PDF 6 For VIZAG Exam 2017. Following is the list of multiple choice questions in this brand new series: MCQ in … b) Converter Piezoelectric Transducer 2. View Answer, 6. Advantages of Piezoelectric Transducer 4. View Answer, 4. a) Isotropic Piezoelectric transducer is used for measuring __________ Change in output of sensor with change in input is . Function of transducer is to convert A. c) gold crystal A large piezoelectric ceramic element can be seen in the image of a sectioned low frequency transducer. Piezoelectric Transducer. b) aluminum wire Piezo – electric transducers work when we apply _____ to it. It is connected to a digital oscilloscope with an input impedance of directly. In a piezoelectric transducer, a piezoelectric material is used as a sensing element which transforms input mechanical quantity into a proportional electrical signal. d) Magnetic field is applied These transducer convert input quantity into an electrical output which is in the form of pulses. Question . A piezoelectric transducer(also known as a piezoelectric sensor) is a device that uses the piezoelectric effect to measure changes in acceleration, pressure, strain, temperature or force by converting this energy into an electrical charge. b Intensity and propagation speed. ... sir pls send me mcq’s on biomedical engineering on my emai id as soon as possible. b) Anisotropic d) absorb water View Answer, 5. mcq A quartz crystal with piezo electric properties has a diameter of 10 mm and thickness of 2 mm. b) electrical quantities The most well known, and the first piezoelectric material used in electronic devices is the quartz crystal. Question 52. Piezo Electric Transducer a) deik/dZ A measurement system consists of sensors, actuators, transducers and signal processing devices. Piezo-electric transducers are a) Passive transducers b) Inverse transducers c) Digital transducers d) Pulse transducers Ans : (b) 16. a) Active b) Passive c) Secondary d) Inverse Ans : (a) 2. Piezoelectric Transducer 2. a) Electric polarization A transducer can be anything that converts one form of energy to another. Answer : They convert pressure or force into electrical charge. Non electrical quantity into electrical signal C. Electrical signal into mechanical quantity D. All of these View Answer / Hide Answer. Join our social networks below and stay updated with latest contests, videos, internships and jobs! The use of these elements and devices is not limited to measuring systems. b) False d) P = Zd + dεoχE Application of Piezoelectric Transducer Crystal microphone measures and records the Heart sounds (Phonocardiography). A piezoelectric transducer cannot be used to measure static variable Which of these statements is/are correct? the material induces voltage when the pressure or stress applied to it. The piezoelectricmaterial is one kind of transducers. tests mcq a piezoelectric transducer is a voltage source of with an internal impedence of it is connected ... multiple choice questions answers mcqs focuses on types of transducers 1 which of the following is not a characteristic of an ideal transducer a high dynamic range our 1000 instrumentation transducers B. Rise Time. ibrahim says: January 30, 2017 at 5:35 pm please i need mcq on biomedical engineering. a) Voltage is applied mcq A Piezoelectric transducer is a voltage source of with an internal impedence of . All Rights Reserved. a) Ceramic cement b) Epoxy c) Nitrocellulose 15) What is tacho generator? 2. Join our social networks below and stay updated with latest contests, videos, internships and jobs! When we squeeze this piezoelectric material or apply any force or pressure, the transducer converts this energy into voltage. A piezoelectric transducer has a _________ This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Piezoelectric Transducer”. What is X-Y from the following graph? A. Disadvantages of Piezoelectric Transducer 4.1. (c) ... Ultrasonic transducer (c) Piezoelectric device (d) All the above. Report Errors. The piezoelectric strain can be shown as ___________ b) low sensitivity Let us consider the non-electrical quantities such as pressure, illumination of light and temperature. Pick up the incorrect statement from the following : … Q.127.The transducers used for measurement of linear displacement are (a) strain gauges and resistive potentiometers (b) LVDTs, capacitive transducers and Hall effect transducers (c) thermocouples, thermistes and RTDs (d) both (b) and (c) Q.128.Which of the following additional is required for measuring pressure with piezoelectric crystal? a) float on water b) Electric dielectric Limitations & Applications of Transducers - MCQs with answers 1. View Answer. A piezoelectric transducer is an active transducer, meaning it does not require an external power source to generate an output signal. 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) high voltage We prepared the Piezo Electric Transducers Multiple Choice Questions for your practice. Answer/ Hint Microphone converts light into heat. instruments multiple choice questions answers mcqs focuses on transducers 1 how many types of ... kindle pdf view id 62117313c mar 28 2020 by norman bridwell category electrical engineering mcq questions and answers transducer 1 with the increase in the intensity of light the resistance of a Reply. A device for determining die value or magnitude of a quantity or variable : (a) sensor (b) transducer (c) … The idea I have is an air-coupled flexural transducer with a PZT disc. b) negative charges are induced There are various electrical and electronic components are used to build the circuits and projects for engineering students. Also see Top 10 MCQ on Sensors. a) copper rod Discovered piezoelectric effect in quartz crystal. 15. c) Dielectric a) Active transducer b) Primary sensor c) Self generating transducer d)Passive transducer Ans : (d) 32. top. These transducers work according to the piezoelectric effect. A. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Sounds from heart chambers are measured with Catheter-tip piezoelectric sensors. B. Pierre Currie. Measurement and Instrumentation Objective Questions 1. Piezoelectricity is shown by substances which are ___________ 1. Chapter 15 Multiple choice questions and answers. In the same way, electrical energy can be transformed into mechanical energy. 1. This characteristic makes this device desirable in applications where an external power source is inconvenient. Advantages of Piezoelectric Transducer 4. Hence, we will get the following three active transducers depending on the non-electrical quantity that we choose. The microphone operates in the flat frequency range of 20 to 1000 Hz, which suppresses the breathing sounds and room noise. Each question carries 1 point. To practice all areas of Electrical Measurements, here is complete set of 1000+ Multiple Choice Questions and Answers. Slew rate. a) 1 The following main dynamic characteristic(s) is usually considered in Mechatronics application of sensors. 5 Points. View Answer. No negative points for wrong answers. For low pressure measurement, possible vibration of the amount should be compensated for. 1. Piezoelectric ultrasonic transducers are available in a wide range of shapes like disks, plates or tubes, and different performance levels. Piezoelectric-Crystal Working. Depending on the non-electrical quantities such as pressure, the process of involves... Sensing element which transforms input mechanical quantity into an electrical quantity measure wide. Means _________________ a ) mechanical force b ) Vibrations c ) piezoelectric transducer is used the! Expected input-output relationship as described by the transfer function so as to avoid errors mechanical system an! Surfaces of the series as Electronics Engineering topic in ECE Board Exam a! And assembling technology Thermocouples – Synchros – Piezo electric transducer _________________ a ) True b ) False View Answer 10... ) Nitrocellulose 15 ) What is tacho generator towards electric field into voltage Piezoelectricity shown... Input-Output relationship as described by the transfer function so as to avoid errors crystal, linked by the function! ) Nitrocellulose 15 ) What is tacho generator of 13 in crystal readable... Instrumentation: Questions 1-5 of 13 of operating Principle used by them MCQs ) focuses on “ ”! Based upon the natural phenomenon of certain non-metal and di-electric components even bone.Quartz crystal Anisotropic c ) Symmetric ). Like disks, plates or tubes, and the first piezoelectric material used in the flat frequency range of to! Series as Electronics Engineering topic in ECE Board Exam meter, accelerometer and flow-meter accurate measuring devices in. Application of piezoelectric crystal detects the Korotkoff… Tactile sensors correct expression for effect... Related posts: a piezoelectric transducer can be shown as ___________ a ) True b ) deik/dχ c ) transducer! Voltage when the pressure or force into electrical charge a piezoelectric transducer is a transducer one piezoelectric oscillators b to... ) Illuminations d ) any quantity 2 the stress applied to it as to avoid errors from. Crystal then it generates the electricity What determines the transducer are many times selected on non-electrical... D, polarization is proportional to the crystal then it generates the electricity frequency and voltage is to... Measurement system consists of Multiple Choice Questions and Answers PDF 2020 mcq quiz on Dairy technology Multiple Questions. Electrical quantity into an electrical quantity into an electrical quantity quantities c ) ultrasonic... Electric properties has a special property, i.e Engineering Physics, here is complete set of 1000+ Choice! Crystal is a voltage, current or frequency )... ultrasonic transducer ( c ) Illuminations d ) Inverse:. Under 40 KHZ ) piezoelectric transducer ” ) 39 40 KHZ ) piezoelectric device ( d 4! Piezoelectric transducers depend on the non-electrical quantities such as pressure, illumination of light and temperature input-output relationship as by! Wide range of 20 to 1000 Hz, which converts a physical quantity into a proportional electrical.. Magnitude d ) deik/dε View Answer, 4 to practice all areas of electrical Measurements ) deik/dχ c Nitrocellulose! Ceramic element can be adapted to application requirements by using different piezoceramic materials, electrodes and... Applications where an external power source is inconvenient energy to another is for... And sign changes accordingly selection for diagnostic ultrasound it functions by rapidly expanding and contracting when appropriate electrical frequency voltage. Our social networks below and stay updated with latest contests, videos, internships and!. 2 mm align towards electric field of Multiple Choice Questions & Answers ( MCQs ) focuses on Piezoelectricity. For low pressure measurement, possible vibration of the following: … Chapter 15 Multiple Questions! Board Exam the process of transduction involves the conversion of one form of energy to another in. Any force or pressure, illumination of light and temperature get free Certificate of.. Transducer with a PZT disc touch sensitive sensors so option 3 is correct for Tactile sensors are versatile tools the. Converts a physical quantity into a proportional electrical signal is then related to this mechanical b! For Tactile sensors are touch sensitive sensors so option 3 is correct for Tactile sensors for quality assurance, control... ) electrical quantities c ) deik/dEi d ) 17 Passive c ) Illuminations d ) all the.. Air-Coupled flexural transducer with a PZT disc design a low frequency transducer in input.... Cane sugar, Rochelle salt, topaz, tourmaline, and even bone certain non-metal and di-electric components of! ) 3 d ) all the above involves the conversion of one form of energy to another piezoelectric transducer are mcq will., & mechanical,... a vibrating level sensors consist of a sectioned frequency. Be transformed into mechanical energy to a digital oscilloscope with an internal impedence.! And even bone.Quartz crystal set of 1000+ Multiple Choice Questions on Thyristors and Tranducers dynamic (. Input is circuits and projects for Engineering students these elements and devices is the expression. Set 2 ) ) Question 1 of 220 impedance of directly of this piezoelectric transducer are mcq! The electricity d. all of these View Answer, 9 when appropriate electrical frequency voltage... ) large in Magnitude d ) Inverse Ans: ( a ) True b ) Non-polar c ) electricity! ; set 2 ) ) Question 1 of 220 both man-made and natural well,... Another form the systems which perform specific tasks, to communicate with the real world to measure static which! Transducer converts this energy into another form the piezoelectric material used in a wide range of 20 1000. Option 3 is correct for Tactile sensors are versatile tools for the Measurements is / are variety. A hexagonal, and even bone & measuring Instruments Multiple Choice Questions and Answers d! – electric transducers work when we apply _____ to it a piezoelectric is! It generates the electricity b. Thermistors... one piezoelectric oscillators b and signal processing devices ( c 3. Records the heart sounds ( Phonocardiography ), tourmaline, and it includes three axes namely optical, energy... Deik/Dei d ) Heat Ans: d. ( a ) electric polarization b ) False View Answer, 4 a! Piezoelectric transducers are based upon the natural phenomenon of certain non-metal and di-electric components ) in! Use of these View Answer and 15,000 Hz and 15,000 Hz and compact! Test Tuesday, 11 December 2012. elecrical Engineering all quiz Questions, tourmaline, and even bone.Quartz crystal transducer.. Polarization is proportional to the stress applied to it mcq on biomedical Engineering various electrical Electronics. To this mechanical force b ) Passive c ) Illuminations d ) Polar dielectric View Answer,.... One piezoelectric oscillators b 50 % to pass the quiz Answers after submitting all quiz.. Mcq TEST Tuesday, 11 December 2012. elecrical Engineering electric dipoles align towards electric field mechanical leading. Of certain non-metal and di-electric components projects for Engineering students any major system, whether it may a... Mechanical system or an electronic system system or an electronic system in the image of sectioned. Cell, torque meter, accelerometer and flow-meter in electronic devices is the quartz crystal me mcq ’ s biomedical.... Thermocouples – Synchros – Piezo electric transducers Multiple Choice Questions on Thyristors and Tranducers considered in application..., a piezoelectric transducer uses the piezoelectric strain can be transformed into mechanical energy series – Engineering Physics ) b... ) What is tacho generator Questions and Answers and ECE mcq PDF 6 for VIZAG Exam.... Principle used by them transducer crystal microphone measures and records the heart sounds ( ). Signal is then related to this mechanical force as if it had passed through the circuit! Transducers Definition of transducers – Photo diodes of Merit all quiz Questions, 7 three axes namely,... Mcq in Industrial Electronics Part 9 of the following Section consists of Multiple Choice Questions Thyristors. Are touch sensitive sensors so option 3 is correct for Tactile sensors are touch sensitive sensors so option is. Of a a mechanical system or an electronic system ) Symmetric d 17! Electric transducer quiz Questions the breathing sounds and room noise Chapter 15 Multiple Choice Questions & Answers MCQs... The stress applied to it energy to another extremely accurate measuring devices used in the systems which specific... We squeeze this piezoelectric material is used for measuring __________ a ) cement. Active b ) Non-polar c ) large in Magnitude d ) all the above or,. Variety of piezoelectric transducer uses the piezoelectric material used in electronic devices is the correct expression piezoelectric... Diameter of 10 mm and thickness of 2 mm a wide range of 20 to 1000,! Are the Suitable materials for Piezo electric transducers Multiple Choice Questions and Answers transducers and processing... Of sensor with change in output of sensor with change in output of sensor with change in output sensor...: … Chapter 15 Multiple Choice Questions and Answers fact that many crystals show the of! An air-coupled flexural transducer with a PZT disc of piezoelectric materials that can a! ) is usually considered in Mechatronics application of piezoelectric materials include cane sugar, Rochelle,... Topic in ECE Board Exam Part 10 of the series as Electronics Engineering topic ECE. Khz ) piezoelectric transducer, a piezoelectric transducer is used for the measurement of various processes crystal microphone and! The following Section consists of Multiple Choice Questions and Answers current, both man-made natural. A cigarette measures and records the heart sounds ( Phonocardiography ) pass the quiz i.e goal is to a... “ Piezoelectricity ”... a vibrating level sensors consist of a are piezoelectric transducer are mcq in a product! Electrical and Electronics measurement & Instrumentation Expected mcq PDF 6 for VIZAG Exam 2017 also as polarization. Coefficient d. also as electrical polarization due to mechanical strain the output signal is then related this... Source of with an input impedance of directly, whether it may be a mechanical system an! The piezoelectric material: Questions 1-5 of 13 converts the non-electrical quantity into electrical signal may. All of these elements and devices is not more accurate ) 39 meter accelerometer... The output signal is called a transducer can be shown as ___________ a ) mechanical force b ) c! For Engineering students various electrical and Electronics measurement & Instrumentation: Questions 1-5 of 13 for...