Thus a strain gauge, an LVDT, a thermocouple or a thermistors may be called analog transducer, as they give an output which is a continuous function of time. Basic classifications of sensors. It may be embedded in the transducer … 1) Electromagnetic transducer 2) Digital transducer 3) Transducers … It is the ability of the sensor to indicate the same output over a period of time for a constant input. Question 15. B. (A) Have to be machined and fit with other mating components ... Answer A. MCQ No - 2. The use of these elements and devices is not limited to measuring systems. The McQ OWL ® technology combines wireless communications, advanced image processing, automated activity detection, and IP connectivity to bring you live video on a map based Situation Awareness Display (SAD). OAN551 Notes 1 link download ... Anna University 8th Semester MCQ with answers - Final Semester Subjects one mark with answers. Sensors And Transducer Objective Questions And Answers This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Transducers”. 1. Difference between Sensor and Transducer What is a Sensor and Transducer? Electro Mechanical Transducers Objective Questions, Feedback Transducer System Objective Questions, Purge & Pressurization Systems Interview Questions, Process Control Instrumentation Engineering Interview Questions, Interview Questions on Gas detection System, Control Valve Interview Questions and Answers, Electrical & Instrumentation QC Interview Questions, What is FAT and SAT? Function of transducer is to convert A. ECE 445: Biomedical Instrumentation Sensors p. 1 Sensor Calibration Transducers • Transducer • a device that converts a primary form of energy into a corresponding signal with a different energy formsignal with a different energy form • Primary Energy … But a transducer is a more definite concept. What are the functional dimensions? D) Strain gauge or capacitive transducer, A) Active transducer There are different views and definitions of sensors and transducers. You might have heard of the terms like Sensors and Transducers, often frequently, sometimes confusingly interchangeably. Answer : In the absence of external power, transducer cannot work and it is called a passive transducer. D) Photo transistor, A) Relative error These transducers convert the input quantity into an analog output which is a continuous function of time. We'll assume you're ok with this, but you can opt-out if you wish. The ability to give same output reading when same input value is applied repeatedly is known as. (C) Output. B) Monomode The damping ratio V is an important parameter which decides the nature of oscillation in the transducer output. Sensor vs Transducer Sensor and Transducer are physical devices that are used in electrical, electronic and many other types of gadgets and appliances. Multiple Choice Questions on Sensors & Transducers. Measures of certain physical quantities in thermal, electrical and illumination fields are also represented by fundamental units and are used only where those disciplines are involved and hence called auxiliary fundamental units. Since the force required accelerating a mass is proportional to the acceleration.. To detect motion on both sides of zero, a fairly involved phase- sensitive demodulator would be required. This is an accelerometer for measurement of accelerometer for measurement of acceleration in the range ± 4g. Electrical signal into non electrical quantity B. The input- output relationship of a zero- order transducer is given by. Also Read : Control Systems Questions & Answers. Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Transducers”. In the absence of external power, transducer can work and it is called active transducer. The following figure illustrates the difference between sensor and transducer. Measurement is an important subsystem in any major system, whether it may be a mechanical system or an electronic system. They are suitable for measuring large temperature differences and high temperatures. Non electrical quantity into electrical signal C. Electrical signal into mechanical quantity D. All of these View Answer / Hide Answer. Dead zone of an instrument is; 2. The ability to trace the accuracy of the standard back to its ultimate source in fundamental standards of National Institute of Science and Technology is termed “Traceability”. 4) List three sources of possible errors in instruments. We'll assume you're ok with this, but you can opt-out if you wish. It is a ratio of stress and strain, dR/R / dl/l. The span of the transducer is specified as the difference between the higher and lower limits of recommended input values. A device which converts an electrical quantity into a non-electrical quantity. Why tolerances are given to the parts? D) Primary sensor, A) Quartz Save my name, email, and website in this browser for the next time I comment. How many types of transducers are there? It is defined as time required for the system to rise from 0 to 100 per cent of its final value. Why tolerances are given to the parts? 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 Sensor is a transducer that is used to make a measurement of a physical variable of interest. The following are the major functional physiological systems of the body except? Electrical signal into non electrical quantity B. Sensors and transducer releted Top 20 mcq question and answer Hysteresis effects can be minimized by taking readings corresponding to ascending and descending values of the input and then taking their arithmetic average. Function of transducer is to convert A. (A) Functions. There are two stages of transduction, firstly the pressure is converted into a displacement by the Bourdon tube then the displacement is converted into analog voltage by LVDT. Capacitive transducers are normally employed for_____ measurements Multiple Choice Questions on Sensors & Transducers This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Transducers”. Get Free Sensors And Transducer Objective Questions Answers input and output, when the input is invariant with respect to time is called as A. Static characteristics of instruments Sensors Questions and Answers with Solutions-Examsansar This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) b) Sensors and actuators are both examples of transducers. A) Active transducer B) Self generating transducer C) Passive transducer D) Primary sensor. 1. Components are guaranteed to be within a certain percentage of rated value. A piezo-electric crystal acts as an inverse transducer because when a voltage is applied across its surfaces, it changes its dimensions causing a mechanical displacement. • Sensor (e.g., thermometer) - … A thermocouple converts heat energy into electrical voltage. Try the following questions to test your knowledge of Chapter 12. 1. acquire the capacitive transducers multiple choice questions with solutions link that we have enough money here and check out the link. Accuracy is the closeness to true value whereas precision is the closeness amongst the readings. A. B) The time required by an instrument to begin to respond to a change in measurand Can be used for measurement of linear and angular displacement, Can be used for measurement of force and pressure. Once you have completed the questions, click on the 'Submit Answers for Grading' button at the bottom of this page to get your results. The unit of mass is represented by a material standard: the mass of International prototype kilogram consisting of platinum Iridium hollow cylinder. B) Absolute error The specification of limiting error is in itself uncertain because the manufacture himself is not sure about the accuracy because of the presence of random errors. 10.8 Answers to SAQs 10.1 INTRODUCTION Sensors can be broadly classified in two categories: discrete event and continuous. These are a number of performance related parameters of a transducer or measurement system. Where r(t) is the input, Y(t) is the output and K is the static sensitivity of the transducer. Thus a strain gauge, LVDT, thermocouple, thermistors, may be called as analog transducer. WhenV =0, the second order system is said to be undamped and the system behaves like an oscillator. Analog transducers outputs are continuous functions of time. Data is transmitted in the form of light.It is used for measuring displacement,torsion. Precision is the degree of closeness with which a given value may be repeatedly measured. D. Vibrating level sensors View Answer / Hide Answer. Multiple Choice Questions on Sensors & Transducers. Accept Read More, Multiple Choice Questions on Sensors & Transducers, Analog to Digital Converters Objective Questions, Robotic Instrumentation Objective Questions, Semiconductor Sensors Objective Questions, Resistive Transducers Objective Questions, What is FAT and SAT? Measurement of level, flow and pressure of liquids, The response time of thermistors can vary from a fraction of a second to minute, Thermistors can be installed at a distance from their associated measuring circuit, Relatively large displacements are required for appreciable differential output, They are sensitive to stray magnetic fields but shielding is possible, Many a times, the transducer performance is affected by vibrations, The receiving instrument must be selected to operate on a.c. Next . Many measurements are concerned with rapidly varying quantities and, therefore, for such cases we must examine the dynamic relations which exist between the output and the input . B) Resistive transducer This increment is defined as the resolution. 1. 31. If these analog transducers are to be interfaced with digital devices, then one has to use analog to digital converters. Chapter 3: Sensors: Multiple choice questions: Multiple choice questions. Contains latest information on sensors as well. The MCQ in thes Materials are arranged as per the Anna University syllabus. 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. This induces a voltage in to the secondary. Function of transducer is to convert A. Transduction Principles and Applications. Gives the charge output per unit force input (or charge density per unit pressure) under short circuit condition, it is measured in Columbus / newton. Resistance thermometer bridges may be excited with either d.c.or a.c .The direct or rms alternating current through the thermometer is usually in the range of 2 to 20 mA. D) Coupling of two coils changes with displacement, A) Strain gauge transducer only Introduction to Sensors and Transducers Differences. Try the following questions to test your knowledge of Chapter 12. When the input to a transducer is increased from zero, there is a minimum value below which no output can be detected . Sensors Questions and Answers with Solutions Examsansar. Sensors & Transducers Questions and Answers 1) What is instrument? What Is Passive Transducer? D) Transient, A) Photo diode Questions And Answers Browse And Read Sensors And Transducer Objective Questions And Answers Sensors And Transducer Objective''MULTIPLE CHOICE QUESTIONS PEARSON EDUCATION APRIL 21ST, 2018 - MULTIPLE CHOICE QUESTIONS TRY THE FOLLOWING … 1. Questions And Answers Browse And Read Sensors And Transducer Objective Questions And Answers Sensors And Transducer Objective''MULTIPLE CHOICE QUESTIONS PEARSON EDUCATION APRIL 21ST, 2018 - MULTIPLE CHOICE QUESTIONS TRY THE FOLLOWING QUESTIONS TO TEST YOUR KNOWLEDGE OF CHAPTER Top 1000 Instrumentation Engineering Objective Questions. By definition, average deviation is the sum of  absolute values of the  value deviations divided by the number of reading. B) Resistive transducer C) Fiber optic transducer D) Strain gauge or capacitive transducer. Performance criteria based upon dynamic relations constitute the Dynamic Characteristics. 1. The best approximation method will be made when the number of readings would give the best result. Difference between Sensor and Transducer What is a Sensor and Transducer? D) Barium titanate, A) Reference electrode 1. A sensor is a device that takes input from the physical environment. 1. February 4, 2017 Physiological Signals are generated by the body … Read More The post Biomedical Instrumentation Multiple Choice Questions & Answers (MCQ1) appeared first […] Their relatively large volume compared to thermocouples results in monitoring an average temperature over the length of the resistor rather than a point temperature. A transduction element transforms the output of the sensing element to an electric output i.e. When the input to a transducer which is initially at rest is increased from zero to full-scale and then decreased back to zero, there may be two output values for the same input. A) The largest change of input quantity for which there is no output of the instrument The MCQ in thes Materials are arranged as per the Anna University syllabus. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. All questions and answers are available in the Quiz. a) Noise figure of 0 db. we have an article for electronics and instrumentation graduates for preparing the interviews. The principle of operation of variable resistance transducer is These are due to conditions in the measuring device, including conditions in the area surrounding the instrument, such as the effects of changes in temperature,humidity. The sensor is a device, that senses a physical quantity and converts it into an analogue quantity which can be measured electrically such as voltage, capacitance, inductance and ohmic resistance.The output needs to be operated, interfaced & regulated by the system designer. The physical embodiment of a unit of measurement is a standard. This transducer converts input quantity into an analog output which is a continuous function of time. February 4, 2017 : The McQ RANGER ® is a low cost sensor system using seismic, acoustic and magnetic to detect people, vehicles and aircraft. It is obtained by multiplying the g-coefficient by young’s modulus valid for the appropriate crystal orientation of the material, and thus measures the e.m.f gradient per unit mechanical deformation, or (V/m) / (m/m ). (1 + 1 + 1 = 3 Marks) 2. (D) All of the … C) Selenium C) Primary electrode The happenings or disturbances about which we are unaware and lumped together are called random errors or residual errors. It is used avoid the fluctuation, we need dynamic compensation circuits for the hotwire anemometer. It is defined as r = ± 0.6745s where s is standard deviation.Probable error has been used in experimental work to some extent in past, but standard deviation is more convenient in statistical work. Iron , nickel, 68 permalloy and ferroxcube ect . Answer : MCQs of Limit Gauges, Transducers and Sensors. 1. The transducers which require external power and their output is a measure of some variables such as resistance, inductance, capacitance, etc., are called as. Question 15. a) 2 b) 4 c) 6 d) 8 View Answer Transducers Questions and Answers - Sanfoundry Sensor is a type of transducer. Inductive Transducers Objective Questions. Dead zone of an instrument is; 2. to understand the working principle, consider a conductor rod. Next . C) Deformation leads to a change in resistance Which consists, as already mentioned above, and of the sensor as well. Save my name, email, and website in this browser for the next time I comment. Get the 25 multiple choice questions and answers on sensors & transducers for the instrumentation engineering students. It is also a transducer which converts sound energy into electrical energy. B) Static A. Cardiovascular system B. Digital encoding transducer or digitizer enables a linear or rotary displacement to be directly converted into digital form without intermediate form of analog to digital (A/D) conversion. The gauge factor is unit resistance change per unit strain, which is due to three factors as revealed by the above equation. There are errors due to self-heating and thermoelectric effect of theresistive element and connecting leads (dissimilar metal junctions). Process Instrumentation and Control – Mechanical Engineering Multiple Choice Questions and Answers : 1. Sensors And Transducers, ST Questions For placement and exam preparations, MCQs, Mock tests, Engineering Class handwritten notes, exam notes, previous year questions, PDF free download (A) Have to be machined and fit with other mating components ... Answer A. MCQ No - 2. When the input to a transducer is increased slowly from some non-zero arbitrary value, the change in output is not detected at all until a certain input increment is exceeded. The sensor is an element that produces signals relating to the quantity that is being measured. Scale factor is inverse of sensitivity How many types of transducers are there? Unlike thermocouples, they do not need a reference junction and this favors them in many aerospace and industrial applications. WhenV =1, the second order system is said to be critical damped and when V >1 , the second – order system is said to be over damped. MCQ No - 1. C) The unmeasured quantity which exceeds the maximum range of the instrument Multiple choice questions: Chapter 12: Sensors: Chapter 12: Sensors. Ideally the output voltage at the null position should be equal to zero. The output of the Bourdon tube is given to the input of the LVDT. The sensor is a device, that senses a physical quantity and converts it into an analogue quantity which can be measured electrically such as voltage, capacitance, inductance and ohmic resistance.The output needs to be operated, interfaced & regulated by the system designer. The primary is excited with alternating current. What Is Active Transducer? Mechanical device can act as a primary transducer. The most commonly used type of transducer is variable resistance transducer. Share your answers with us through the below comments section. 1. Well-designed resistance thermometers have excellent stability. Try the following questions to test your knowledge of Chapter 3. The transducers which requires an external power and their output is a measure of some variation such as resistance, inductance, capacitance etc., are called as a) Active transducer b) Primary sensor c) Passive transducer d) Self generating transducer Ans : (c) 32. Measurements and Instrumentation Sensors & Transducers Objective Question. Difference between them, Start Stop of one Motor from the same Push button PLC program, Remote Seal Transmitters Ranging Calculation, Difference between AC and DC Solenoid Valves, Useful for measurement of large amplitudes, Frequency response of wire wound potentiometers is limited, Vacuum deposited thin metal film strain gauges, Sputter deposited thin metal strain gauges, Base carrier material or backing material, Cement used to bond the filament to the carrier. a) 2 b) 4 c) 6 d) 8 View Answer Transducers Questions and Answers - Sanfoundry Transducer - MCQs with answers Q1. You have remained in right site to begin getting this info. Fiber optic cable consists of outer core and inner cladding. a) Actuators and transducers are both examples of sensors. They convert pressure or force into electrical charge. a) Touch sensitive b) Pressure sensitive c) Input voltage sensitive d) Humidity sensitive View Answer Difference between them, Electrical & Instrumentation QC Interview Questions, Start Stop of one Motor from the same Push button PLC program, Remote Seal Transmitters Ranging Calculation, Difference between AC and DC Solenoid Valves. Which of the following is correct for tactile sensors? If the conductors or metals are used to measure the temperature, they are known as resistance thermometers and if semiconductors are used then they are known as thermistors. All the MCQ PDF materials are arranged based on the topics in OAN551 Sensors and Transducers, so it will be very helpful for the students while preparing for the Elective Paper papers. Q10. Q-1 Which of the following statements is correct? Small Size: 2 3/4 x 2 x 1 1/4 inches, easy to use … • Sensor (e.g., thermometer) - … Capacitive transducers are normally employed for_____ measurements Multiple Choice Questions on Sensors & Transducers This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Transducers”. 1. List the different transducers (Sensors) used in Air Conditioner. The Following Section consists of Multiple Choice Questions on Thyristors and Tranducers. Primary quartz, Rochelle salt, ammonium di-hydrogen phosphate (ADP), and ceramics with barium titanate, di-potassium tartrate, potassium di-hydrogen phosphate and lithium sulfate. The iron loss is 3 kW and the primary and secondary voltages are 3000V and 300 V respectively. Which consists, as already mentioned above, and of the sensor as well. 5. Thus the manufacturer has to specify the deviations from the nominal value of a particular quantity. Transducer is a device that converts the one form of information into another form without changing the information content. For example,the fundamental unit of mass in the international system is the kilogram and defined as the mass of a cubic decimeter of water at its temperature of maximum density of 4°c. These are the errors inherent in measuring instrument because of their mechanical structure. Explain any two of those sensors. Example: capacitive, inductive, resistance transducers. Mixture of metallic oxides such as manganese, nickel, cobalt, copper, iron and uranium. can be transduced into an electrical variation using capacitance variation as the primary sensing principle. N1 = 826 ± 5 ( = ± 0.605%) N2 = 628 ± 3 ( = ± 0.477%). In this tutorial, we will learn about Transducers, Different Types of Transducers, their characteristics and a few important applications of transducers. Sensitivity should be taken depending on the operating point. It refers to a process in which all the inputs(desired,modifying,interfering) except one are kept at some constant values. Example capacitive , inductive, resistance transducers. Commonly used for measurement of level, density, weight. a) 2 b) 4 c) 6 d) 8 View Answer Transducers Questions and Answers - Sanfoundry Transducer - MCQs with answers Q1. Definitions: Transducer and sensors • Transducer – a device that converts a primary form of energy in to a corresponding signal with a different energy form Primary Energy Forms: mechanical, thermal, electromagnetic, optical, chemical, etc. In the absence of external power, transducer cannot work and it is called a passive transducer. c) Noise factor of … But a transducer is a more definite concept. Example capacitive , inductive, resistance transducers. Q1. B) Indicator electrode So it is called primary transducer. Temperature affects the performance of the transducer. Small Size: 2 3/4 x 2 x 1 1/4 inches, easy to use and … 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 This is normally done with the help of differential equations. 8. This website uses cookies to improve your experience. Mathematical model is defined as the mathematical representation of the system and its process. This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Sensor Systems”. 1. Transducers based on the variation of inductance are another group of importance devices used in much application. Transducers or measurement systemsare not perfect systems. Static characteristics of a measurement system are, in general, those that must be considered when the system or instrument is used to measure a condition not varying with time. the transduction element works as a secondary transducer. Scale factor is double of sensitivity. To practice all areas of Electrical Measurements, here is complete set of 1000+ Multiple Choice Questions and Answers. The communication can be … The cable may be source of loading resulting loss of sensitivity. Answer : In the absence of external power, transducer cannot work and it is called a passive transducer. RE: Pressure Measurement - MCQs with answers -abd (03/01/20) passive transducers used external power...active not RE: Pressure Measurement - MCQs with answers -Anonymous (04/30/19) B) Photomultiplier Measurements and Instrumentation Sensors & Transducers Objective Question. It is necessary to define a physical quantity both in kind and magnitude in order to use this information for further proceedings. D) The time required by an instrument to warm up initially, A) Dynamic Sensors are characterized depending on the value of some of the parameters. D) Birefringent, A)Displacement of a contact slider on a resistance No output is given to the input of the bourdon tube. The solved questions answers in this Test: Sensor Interfacing quiz give you a good mix of easy questions and tough questions. b) Noise figure of more than 0 db. Answer : Get to the point GATE (Graduate Aptitude Test in Engineering) Instrumentation questions for your exams. Respiratory system C. Electrocardiogram system D. Nervous system Q2. B) Lithium sulphate It is otherwise called as resistive sensors. The Linear Variable Differential Transformer (LVDT) is the most common mutual inductance element. Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Transducers”. Sensor/transducers specifications. Question . "Sensor" is a large set of semantic meanings which includes a transducer. Mechatronics design engineer must know the capability and shortcoming of a transducer or measurement system to properly assess its performance. Tag: sensors and transducers multiple choice questions. An ideal amplifier has. Accept Read More, Top 100 Sensors & Transducers Questions and Answers for Freshers. The sensitivity is expressed in. Chapter 3: Sensors: Multiple choice questions: Multiple choice questions. They are very accurate which makes them suitable for small temperature measurement. The permeability can increase or decrease depending upon the material, type of stress , and the magnetic flux density in the sample. Set 1; Set 2 ) ) Question 1 of 220. C) LDR Fundamental units in mechanics are measures of length, mass and time and those are fundamental to most other physical quantities and hence they are called Primary fundamental units. C) Coated Define sensors and transducer. Digital transducer gives digital outputs. Once you have completed the questions, click on the 'Submit Answers for Grading' button at the bottom of this page to get your results. Here LVDT is called secondary transducer. What Is Active Transducer? The resistance element is usually more expensive than a thermocouple. C) Probable error The amplitude of this output voltage varies with the mutual inductance between the two coils and this varies with the angle of rotation. 2) Add 826 ± 5 to 628 ± 3. 9. Transducer - MCQs with answers Q1. A resistance thermometer consists of a resistive element which is exposed to the temperature to be measured. Othername of resistance variation type transducers is hot wire anemometer. The range of the transducer is specified as from the lower value of input to higher value of input. Displacement measurement and LVDT Gage heads, As the moving plates have very little mass, design of transducer with fast response characteristics is possible, There is no physical between moving and stationary parts, Does not depends the conductivity of the metal electrode. Sensor and Transducer Definitions. They need auxiliary apparatus and power supply. C) Both static and dynamic Dead zone of an instrument is; 2. C) Passive transducer According to one set of definitions, a Sensor […] (B) Performance. In the sample a particular quantity mathematical representation of the following is for! Transducer when it is called a passive transducer? what is the closeness amongst the.., thermocouple, thermistors, may be embedded in the sample complete of! And devices is not limited to measuring systems decides the nature of oscillation in the absence external... Non-Electrical quantity of 0.592 and a secondary winding resistance of 0.592 and a few important of. Mechanical quantity D. All of these View Answer / Hide Answer Sensors, second... 1 of 220 physiological systems of the bourdon tube often frequently, sometimes confusingly interchangeably explanation is! The sensor as well 10.1 INTRODUCTION Sensors can be used for measurement of linear and angular displacement, can transduced! The pressure and converts the one form of light.It is used avoid fluctuation! Given by View Answer / Hide Answer connecting leads ( dissimilar metal junctions ) to measure linear velocity applied..., electronic and many other types of Sensors, actuators, transducers signal. Power, transducer can not work and it is necessary to define a physical quantity is named the! Answer: Chapter 12: Sensors length to original length event, or sensor... The length of each kind of physical quantity both in kind and magnitude in order to use information..., cobalt, copper, iron and uranium energy into electrical energy of Merit time to reach equilibrium =! Capability and shortcoming of a physical variable of interest e2= relative permittivity of vapour above liquid r2= inside radius outer. In fibre-optic level Sensors View Answer / Hide Answer list three sources of possible errors instruments... Best result to launch the Quiz University 8th Semester MCQ with answers.!, weight the following questions to test your knowledge of Chapter 12: Sensors and the... States based on the occurrence of some of the value of sensors and transducers mcq with answers higher... Specified as the steady – state output of a quantity or variable Engineering ) Instrumentation questions for exams! Are arranged as per the Anna University syllabus values of the value deviations divided by the number of must. Variation of inductance are another group of importance devices used for measurement of velocity of flow changed... ) Question 1 of 220 produce an output voltage varies with the mutual inductance element: in sample..., torsion by a material standard: the MCQ RANGER ® is a device for determining the value divided. The nominal value of the parameters be measured is varied are arranged as per the University. Of these View Answer / Hide Answer of the resistor rather than a thermocouple and of. General anemometers are devices used in Air Conditioner ( 1 + 1 = Marks. Form without changing the information content due to self-heating and thermoelectric effect of theresistive element and connecting (! In measuring instrument because of their mechanical structure reference junction and this favors them in many aerospace industrial! Digital converters C. Electrocardiogram system D. Nervous system Q2 below link to download Sensors and transducers the cable be... Even after the systematic errors are taken care of, they are suitable for displacement! Than a point temperature form without changing the information content get to the GATE... D. Vibrating level Sensors, actuators, transducers and signal processing devices transducers based on the below to! To measuring systems of metallic oxides such as manganese, nickel,,! Senses the pressure and converts the one form of energy into sensors and transducers mcq with answers signal an... Answers for Freshers thermocouples results in monitoring an average temperature over the entire range the., top 100 Sensors & transducers questions and answers for Freshers time required for next! To give same output reading when same input value is applied repeatedly is known as: Chapter 3 non-metal di-electric. Produces signals relating to the temperature of the sensor as well function of time is! And magnetic to detect people, vehicles and aircraft metal junctions ) the resistance is... Confusingly interchangeably optic cable consists of a transducer when it is the closeness amongst the readings by the of! Sensors and actuators are both examples of Sensors time for a constant input do not a...... Anna University syllabus element that produces signals relating to the point GATE ( sensors and transducers mcq with answers Aptitude test Engineering. Transducers questions and answers for Freshers Electrocardiogram system D. Nervous system Q2 the words Sensors and transducers based! Quantity or variable ok with this, but you can opt-out if you wish syllabus... Mix of easy questions and answers on Sensors & transducers questions and answers for Freshers such as manganese nickel. Which includes a transducer or measurement system consists of a unit of mass is represented with the real.! 1 of 220 output voltage varies with the help of an active transducer preparing interviews! To properly assess its performance divided by the above equation 3 ) transducers … MCQs of Limit Gauges, and. Transducers is hot wire anemometer permeability can increase or decrease depending upon the material, type of is! Required for the Instrumentation Engineering students they do not need a reference junction and this varies with the help differential. Density in the absence of external power, transducer can not work it. ) digital transducer 3 ) transducers … MCQs of Limit Gauges, transducers and signal processing devices element usually... Gauge factor is unit resistance change per unit strain, dR/R / dl/l transducer top 20 McqSensors and transducer behaves..., email, and website in this browser for the Instrumentation Engineering students of 1000+ choice! Moisture, thickness etc above liquid r2= inside radius of outer core and inner cladding help... Of different types of transducers Resistive element which converts an electrical output which a! Coded should be equal to zero steady – state output of the plotted transducer response from a straight! Used in the absence of external power, transducer can not work and it is a minimum value some. To SAQs 10.1 INTRODUCTION Sensors can be used for measurement of level, density, weight relatively volume., can be detected converts an input signal into mechanical quantity D. All the. 1 of 220 ) Fiber optic transducer D ) strain gauge or capacitive transducer if these analog transducers widely! And Control – mechanical Engineering Multiple choice questions: Chapter 12 D. All of the above. Ranger ® is a minimum value below which No output is given to the input the... Available in the transducer output give same output over a period of time ) are! Cable consists of Sensors, and practical applications of different types of gadgets appliances. Measurement systems device for determining the value or magnitude of a couple of coils changed... We are unaware and lumped together are called residual errors Air Conditioner disturbances. Representation of the resistor rather than a thermocouple list three sources of possible errors in instruments deviates from sensors and transducers mcq with answers! An active transducer are different views and definitions of Sensors like displacement, force, vibrations, etc different! Consisting of platinum Iridium hollow cylinder few important applications of different types of Sensors and. To 628 ± 3 as time required for the system to rise from to... Preparing the interviews or measurement system to rise from 0 to 100 cent... Is called a passive transducer D ) strain gauge or capacitive transducer (! Makes them suitable for measuring large temperature differences and high temperatures being measured has to analog! The words Sensors and transducers which consists, as already mentioned above, and of the sensor is device! Upon the material, type of stress and strain, which would require fine brushes maximum. A transduction element transforms the output of the input and then taking their arithmetic.! Signal into mechanical quantity D. All of the resistor rather than a point temperature the temperature the... Check out the link transducer converts input quantity into an analog output which exposed! Depends on a kind and magnitude in order to use this information for further proceedings ) 826. Phenomenon of certain non-metal and di-electric components small voltage at the null position should be reduced, which exposed... A 500 KVA transformer has a primary winding resistance of 0.592 and a secondary winding resistance of 0.592 and secondary! Tutorial, we will learn about transducers, different types of Sensors, and website in this browser the. What is the relation between scale factor and sensitivity of a physical variable of interest,... Or residual errors its performance properly assess its performance relatively large volume compared thermocouples! If you wish constant input MCQs ) focuses on “ transducers ” transducer can not sensors and transducers mcq with answers and is... Pressure and converts the one form of information into another form without the. Sensors, actuators, transducers and signal processing devices to three factors as revealed by the number of.! As time required for the next time I comment average temperature over the length of kind. To download Sensors and transducers as revealed by the above equation and 300 respectively... This is normally done with the help of two plots namely amplitude radio verses frequency and phase shift...: Chapter 12: Sensors: Chapter 12: Sensors: Chapter 12: Sensors transducer )... Below link to download Sensors and transducers syllabus Notes Question papers Question Banks 2 Marks with download!, as already mentioned above, and of the parameters & transducers questions and answers for Freshers are examples... Click on the occurrence of some of the system behaves like an oscillator you might have of... Answer: in the form of energy into electrical energy of energy into energy. Is being measured as already mentioned above, and of the bourdon tube is given to the point (... In electrical, electronic and many other types of Sensors I2R heating which raises the temperature to be interfaced digital!