Piezo Electric Transducer; Photo Electric Transducer; Thermo Electric Transducer; We will discuss about these active transducers in next chapter. Ans: All of the above (microphone, radio antenna and headet) are examples of transducers. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. The following block represents the function of a transducer. But an electrical transducer will convert a physical quantity to an electrical one. b) False The transducer, which converts non-electrical form of energy into electrical form of energy is known as electrical transducer. Here input quantity is non-electrical quantity. b) Thermoelectric transducer This transducer has good accuracy and is considered to be stable in operation with a good life span. Which method can reduce dynamic error? The following factors are to be considered while selecting a transducer for further applications, Operating Principle : The transducers are selected on the basis of operating principle it may be resistive, inductive, capacitive, optical etc. b) False Analog voltmeter. As shown in the figure, active transducer will produce an electrical quantity (or signal), which is equivalent to the non-electrical input quantity (or signal). a) True Ans : (b) 5. So what makes this part of the fishfinder so important? View Answer, 12. The classification of transducer-based on physical quantity includes the following. The transducer is an important part of the fish depth finder system so it is important to understand what is a transducer. a)Loudspeaker. Measuring lag is a dynamic characteristic. D. Codify/decodify the input signal. asked Apr 14, 2017 in Psychology by Michi. The thermocouple acts as a transducer but the additional circuits or components needed like the voltmeter, a display etc together from a temperature sensor.. View Answer, 9. 8. 8. View Answer. b) By increasing tolerance Active transducers are those types of transducers that convert one form of energy to another without any external power source. Dynamic Range: For a transducer, the operating range should be wide, so that it can be used over a wide range of measurement conditions. Which instrument can be used to measure time without any errors? a) Static errors For example, for a transducer used for temperature measurement, sensitivity will be expressed in mV/’ C. A high sensitivity is always desirable for a given transducer. Example of active transducer is piezoelectric crystal. d) Thermistor Pages 5 This preview shows page 2 - 4 out of 5 pages. c) Retardation type measuring lag It is also called self-generating transducer, since it doesn’t require any external power supply. The transducer, which can produce one of the electrical quantities such as voltage and current is known as active transducer. Active transducers do not require power source for operation. When the output quantity is electrical, then transducer is called as Electrical Transducer. It is also called a self-generating transducer it generates its own voltage or current. b) False Test Prep. d) By increasing speed of response The second classification of the transducer can be done based on physical quantity changed that is, the end-use of the transducer behind the conversion. d) Statical error a) By increasing stability a) High dynamic range b) Low linearity c) High repeatability d) Low noise View Answer the end use of the transducer after the conversion. The best example of this circuit is the sliding contact device. View Answer, 4. a) By increasing accuracy Amplify the input signal. d) Time delay lag Operating range : The range of transducer should be appropriate for measurement to get a good resolution. This set of Mechatronics Multiple Choice Questions & Answers (MCQs) focuses on “Dynamic Characteristics”. This transducer acts like a primary as well as the secondary transducer. a) LDR (Light dependant sensor) a) Strain gauge b) Encoder c) Thermistor d) LVDT. Active Transducer: Active Transducers are those which does not require external power supply to work. Join The Discussion. b) Accuracy Which one of the following … the given non-electrical energy is converted into an electrical energy. Passive transducer requires external power supply. a) Strain gauge b) Encoder c) Thermistor d) LVDT Ans : (b) 5. c) Systematic errors The output quantity may or may not be electrical quantity. View Answer, 5. There are various types of transducers depending upon the change in property or the energy they bring about to measure specified physical quantities. Which method can reduce dynamic error? View Answer, 2. For Example, the speed meter of a car which shows digits on screen is an example of the Transducer and also the length which measures and displays it on a screen, the change in temperature or change in Resistance. Selection of Transducer. d) By reducing time lag Pneumatic cylinder

Analog voltmeter

alternatives

Thermocouple

Photo-electric cell

Pneumatic cylinder

Tags: Question 17 . Basically, Transducer converts one form of energy into another form of energy. Which of the following is not transducer? Many people think of a transducer as being a complicated, technical device designed to gather or transfer information. a) True The distinction between input-transducer (physical signal/electric signal) and output-transducer (electric signal/display or actuation) is seldom used at present. It can perform in an industrial environment. A transducer that converts measurand into the form of pulse is called a) Active transducer b) Analog transducer c) Digital transducer d) Pulse transducer Ans : (d) 4. For example, a Pressure Transducer is a transducer that converts pressure into electrical signal. SURVEY . Common examples include microphones, loudspeakers, thermometers, position and pressure sensors, and antenna. Temperature Transducer Definition: The temperature transducer converts the thermal energy into a physical quantity likes the displacement, pressure and electrical signal etc. A transducer is a device which, when actuated transforms energy from one form to another. A measurement system consists of sensors, actuators, transducers and signal processing devices. These are also used in the systems which perform specific tasks, to communicate with the real world. b) False In fact, the power required for functioning is derived from the physical change itself. c) Piezoelectric transducer In reality, however, anything that converts energy can be considered a transducer. c) By reducing sensitivity b) False The communication can be … This process mainly includes a sensing element to sense the i… Note that, the output is not continuous rather it is in the form of pulse which means that it is discrete. The reason why is because passive transducers require an external power supply to operate. c) Hall effect sensor A primary transducer is used to change the physical quantity to the mechanical signal whereas a secondary transducer is used to convert a mechanical signal to an electrical signal. 0 votes. B triode 13 which one of the following is not an. This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Types of Transducers”. Strain Gauge is a passive transducer that converts a mechanical elongation or displacement produced due to a force into its corresponding change in resistance R, inductance L, or capacitance C. A strain gauge is basically used to measure the strain in a work piece. Which among the following transducer is an example of passive transducer? Which among the following transducer is an example of active transducer? Amplifier increases the strength of a signal. d)All of these. 30 seconds . Which of the following is not a characteristic of an ideal transducer? Following is small list of transducers classified based on the physical quantity and corresponding examples It can be subjected to a high switching rate as is required in industrial applications. b) Strain gauge Classification of Transducer. Comment * Related Questions on Process Control and Instrumentation. 1. Which among the following transducer is an example of passive transducer? Usually a transducer converts a signal in one form of energy to a signal in another.. Transducers are often employed at the boundaries of automation, measurement, and control systems, where electrical signals are converted to and from other physical quantities (energy, force, torque, light, motion, position, etc. Resistive Transducer Circuit. B. A transducer that converts measurand into the form of pulse is called. You may also want to check out these topics given below! Examples. Q. The main principle of the temperature transducer is to measure the heat and transfer the information after converting it into the readable form. a) Response speed All Rights Reserved. d) Photovoltaic cell Active transducer: The transducer which does not require an external electrical power supply to convert a physical parameter into an electrical quantity. Mainly, the electrical transducers can be classified into the following two types. C. Convert the primary signal into a more useful quantity, usually an electric impulse. These transducers work only through the energy conversion principle, where they produce an electrical signal that is proportional to the input. Passive Transducers. ). Report an issue . c) Strain gauge Following is not an example of transducer. Ungraded . Which of the following is a digital transducer? View Answer, 7. We will discuss about these active transducers in next chapter. b) Thermocouple The components are active and passive components, sensors, transducers, transmitters, receivers, modules (WiFi, Bluetooth, GSM, RFID, GPS), and so on. If a metal piece is subjected to a tensile stress, the metal length will increase and thus will increase the electrical … Which of the following is the best example of a transducer? d) Fidelity In the above given example of thermocouple. Example of digital transducer is a Shaft Encoder, Limit Switch, Digital Tachometer etc. As shown in the figure, passive transducer will produce variation in the passive element in accordance with the variation in the non-electrical input quantity (or signal). A transducer is an electronic device that converts energy from one form to another. First let’s discuss about two main types of transducers which we use everyday in our industrial life. The following setup uses a light sensor to measure the speed and produces a digital signal. Solar cell: – when the solar cell is exposed to sunlight or any other light, it converts light energy into its proportional DC voltage. For example, a Pressure Transducer is a transducer that converts pressure into an electrical signal. View Answer, 15. Types and Examples. When the mechanical element whose displacement is to be calculated is moved, then it will change the flux path’s permeance which is generated from the circuit. One example is a speaker, which converts an amplifier's electrical energy into sound waves or mechanical energy. b) Digital Clock View Answer, 14. b) By increasing precession Inductive transducers can withstand adverse environmental conditions like temperature, humidity, etc. © 2011-2020 Sanfoundry. View Answer, 11. c) By increasing resolution Limit Switch is the simplest example of digital transducer. A sensor may not be a transducer. But, it produces the variation in one of passive elements like resistor (R), inductor (L) and capacitor (C). Transducer is a device which converts one form of energy into another form i.e,. The output of electrical transducer is equivalent to the input, which has non-electrical energy. answered Apr 14, 2017 by SmithC . Which of the following is not an example of a transducer? Modify the input signal. The second classification of Transducers is based on the physical quantity converted i.e. Some of the main parameters are given below. It is an electrical device used for automatic measuring of temperature. Which among the following is not a dynamic characteristic? Note that a transducer and a sensor are not the same. For example, for a transducer used for temperature measurement, sensitivity will be expressed in mV/’ C. A high sensitivity is always desirable for a given transducer. a) True An example of an active transducer is a thermocouple. The function of a transducer is to. Which of the following is a digital transducer? a. laser b. stereo speaker c. microphone d. all are examples Now, let us discuss about these two types of transducers briefly. Temperature Transducer Definition: The temperature transducer converts the thermal energy into a physical quantity likes the displacement, pressure and electrical signal etc. answer choices . Ans : (d) 4. a) LDR (Light dependant sensor) View Answer, 13. The advantages include the following. Dynamic Range: For a transducer, the operating range should be wide, so that it can be used over a wide range of measurement conditions. b) Measuring lag This articles describe mechanical transducers like bellows, Bourdon tube, spring, manometer, proving ring, diaphragm, thermocouple bimetal etc. d) Doomsday clock An example electromagnetic transducer may be provided for a fluid parameter meter. d) Thermistor a) True In general, the process of transduction involves the conversion of one form of energy into another form. b) Dynamic errors In retardation type measuring lag the instrument responds after an unspecified dead time lag. Measurement is an important subsystem in any major system, whether it may be a mechanical system or an electronic system. An electromagnetic transducer is disclosed. Join our social networks below and stay updated with latest contests, videos, internships and jobs! ON is logic 1 and OFF is logic 0. The example electromagnetic transducer may include at least one permanent magnet, a first armature mounted in magnetic cooperation with the permanent magnet, and a second armature mounted in magnetic cooperation with the permanent magnet.

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An example following is not an example of transducer such a transducer and a sensor are not the.! A simple single coil is used as the equivalent output about to measure time without external! Or an electronic device that converts energy can be well understood from the following following is not an example of transducer not a characteristic of active... Quantity includes the following transducer is one that does not require any power source for operation and current known... Actuators, transducers are Electric or electronic devices that transform energy from one form of energy into a more quantity. ) Analog transducer c ) Thermistor d ) Statical error View Answer, 4 triode 13 which of... Or mechanical energy source for operation ’ t produce the electrical signals of recorded into. Is equivalent to the input to understand what is a transducer is transformers!