A lag compensator is basically a – 16. 7. There are two types of AC voltage transducers: Absolute Average Measuring, ... Transducer models are available for nominal input voltages of 69, 120, 240, and 480 volts. Another example is a coil carrying current and kept in magnetic field. Which of the following are not the characteristics of electron multiplier transducer? Question: Which Of The Following Is Not A Part Of Machining System Of Water Jet Machining Transducer A Hydraulic Pumpe Jet Cutting Nozzle.co Accumulator D. This problem has been solved! Devices which convert a non-electrical quantity into an electrical quantity is popularly known as Transducers. Another example is a coil carrying current and kept in magnetic field. When linear displacement is xi, the resistance of wire across the eo is (Rt/L)xi and hence, the output voltage eo will be given by voltage division rule as below. Active transducers are those which do not require any power source for their operation. b) the field of view in the far field is only 1/4 the diameter of the transd. When external force is applied on a Piezoelectric crystal, a emf is developed across its face on which force is applied. Which of the following are true about dynodes used in discrete dynode electron multiplier? This website uses cookies to improve your experience. 3. In which of the following detectors, the collector is placed in an inclined manner? A transducer is classified as Resistive, Inductive or Capacitive depending upon how they convert the input quantity into resistance, inductance or capacitance respectively. Example of digital transducer is a Shaft Encoder, Limit Switch, Digital Tachometer etc. SamVarghese SamVarghese Answer: Thermocouple is an active transducer. 11-The following is (are) type(s) of Hall Effect sensors. From the above example, it is clear that the linear displacement is directly proportional to the output voltage for a given input voltage and resistance length. c) resolution is degraded at large distance. Join now. First, the applied force generates a mechanical movement, called strain. this kind of transducer has the following disadvantage: a) it cannot be focused in th elevation direction. It is used for detecting the movement of muscles which is called acceleromyograph. a) Digital b) Analog c) Active d) Pulse Ans : (a) 3. Discrete type electron multiplier transducers can provide current gain upto which of the following? a) Faraday cup collector b) Channeltron c) Micro-channel plate d) Flame ionization detector Answer: d Explanation: Flame ionization detector is not an ion transducer. The transducers that converts the input signal into the output signal, which is a discrete function of time is known as _____ transducer. It is a detector used in chromatography. 13. Answer: b Explanation: An ideal transducer should show high linearity. This property is utilized to make an active transducer. A transducer can measure similar qualities to a sensor but will convert the signal from one physical form to another meaning their input and output signals are not the same as each other. Selecting a Transducer. b) Successive dynodes are held at lower potential ... Ch. The cannula in the artery is connected to the transducer via some non-compliant fluid-filled tubing; the transducer is usually a soft silicone diaphragm attached to a Wheatstone Bridge. The sensing element is directly not contacting the thermal source. Join now. “POT” is an example of passive transducer. Figure B18 For the above waveform, determine a. Peak-to-peak ... Q: 1. Decreases Increases Is not changed May increase or decrease 1D 2D 3D 4D; 7. a) Velocity b) Displacement c) Force d) Sound Answer: c Explanation:Piezo-electric crystals produces electric signal when pressure applied. Which of the following modalities requires the use of a transducer? ONE Of The Following Is NOT True Regarding Selection Of A Transducer For Measuring Pressure A. Explanation: Micro-channel plate consists of an array of glass capillaries. is a transducer: cat; Moreover, the following two functions have been added: eduction and transduce. We'll assume you're ok with this, but you can opt-out if you wish. In an accelerometer, piezoelectric crystal is sandwiched in between the two metallic electrodes and the arrangement is fastened with the floor whose acceleration is to be measured. b) increased transducer frequency. ). They produce an output signal in the form of some variation in resistance, capacitance or any other electrical parameter, which than has to be converted to an equivalent current or voltage signal. Shaft Encoder is used to measure the angular position & velocity and its output is digital in nature. The non-contact type transducer is sub-categorised into the following … Factors including instrument conditions and settings, material properties, and coupling conditions will also impact test results. When the floor travels with acceleration, a force proportional to the acceleration is exerted on the sandwich and hence a emf is generated across the electrodes. Passive transducers are those types of transducers that bring change in passive electrical quantity usually with the help of external power source. NCERT DC Pandey Sunil Batra HC Verma Pradeep Errorless. 1. Which of the following is not a characteristic of an ideal transducer? The convection is the process in which the heat is transfer by the movement of the substance. The communication can be … Which of the following is not transducer ? Thus, electrical quantity is changed into physical quantity. Explanation: Photographic plates are coated with silver bromide. Thus, we can say that, a passive transducer explicitly required external power supply otherwise it won’t work. Power-steering system pressure Oil pressure Engine vacuum Engine compression. b) Photographic plates 10-Following is not an example of transducer. Explanation: Discrete type electron multiplier transducers can provide current gain upto 102. An 8-pole, wave-connected armature has … Apart from this, transducers are classified into following types: This classification in shown below in pictorial form to have better grasp of the subject matter. Operating range : The range of transducer should be appropriate for measurement to get a good resolution. c) Successive dynodes are held at higher potential D. Codify/decodify the input signal. b) 5 to 10kV Uploaded by: Sufitramp. The transducer is always free from the load and temperature. d) Flame ionization detector. Physics. Amplify the input signal. This doesn’t mean that these types of transducers don’t require power at all. Explanation: The potential maintained across the continuous dynode multiplier transducer is 1.8 to 2kV. Which of the following is not an example of a transducer? Accept Read More, Inductively Coupled Plasma Mass Spectrometer, Controller Components – Part 2 Objective Questions, Concepts of State, State Variables & State Model, Block diagram Algebra Objective Questions, Ionization of Gases Questions and Answers, Column Efficiency and Column Resolution Questions and Answers, What is FAT and SAT? Question is ⇒ Which of the following is not a transducer in true sense?, Options are ⇒ (A) Thermocouple, (B) Piezo electric, (C) Photo electric cell, (D) LCD, (E) , Leave your comments or Download question paper. Example of active transducer is piezoelectric crystal. Download PDF's . Upto 20 dynodes need to be used for this purpose. One out of the following statements is not true: A) The curl of gradient of any scalar field is identically zero; for the voltage built-up a self-excited D.C. generator, which of the following is not an essential; For a rotameter, which one of the following … Once you have completed the questions, click on the 'Submit Answers for Grading' button at the bottom of this page to get your results. Pressure and particle velocity are in-phase. Which among the following transducer is an example of passive transducer? The ultrasonic transducer is an extremely important and critical part of any ultrasonic test. Thus, we have output in the form of change in resistance which is an electrical quantity. They work on the energy conversion principle. That is, it converts force into electric signals. Class 12 Class 11 Class 10 Class 9 Class 8 Class 7 … It is used as a sensor for knowing the engine knock. 1 atmosphere (14.7 psi) = 10kPa 50kPa 75kPA 100kPa; 8. It is used to convert a linear displacement into electrical signal. a. LVDT O b. Encoder O c. Thermistor O d. Thermocouple In fact, the power required for functioning is derived from the physical change itself. When scanning over the part or making precise measurements, an immersion technique is often used. Multiple choice questions. a) Lead Which of the following can be measured using Piezo-electric transducer? B. Which of the following represent active transducer? Primary Transducer is the detecting or sensing element which responds to the change in physical phenomena. Explanation: Photographic plates can be used for ions with short life time. Function of transducer is to convert A. Which of the following is not a characteristic of an ideal transducer? c) Phosphor bronze doped with iron A Transducer is a device which convert a non-electrical quantity into an electrical quantity. Active transducers are those which do not require any power source for their operation. c) Micro-channel plate Join The Discussion. The following block represents the function of a transducer. 11. When voltage across the surface of a piezoelectric crystal is applied, it changes its dimension. Explanation: Photographic plates are well suited for spark source instruments. 9-Following is the coded output. Median response time is 34 minutes and may be longer for new subjects. In most of the measurement systems, there is a combination of wherein a Mechanical device acts as primary transducer and the electrical device acts as secondary transducer with mechanical displacement serving as the intermediate signal. A transducer being a device that converts between energy forms. Temperature Transducer Definition: The temperature transducer converts the thermal energy into a physical quantity likes the displacement, pressure and electrical signal etc. The potential maintained across the continuous dynode multiplier transducer is which of the following? In fact, the power required for functioning is derived from the physical change itself. They are coated with electron emissive materials. Which of the following is NOT a transducer? Dynodes are metal plates with copper or beryllium surfaces. The transducer basically is a device that will convert any physical quantity into an ELECTRICAL signal. Answer: Option C . b) Channeltron This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Capacitive Transducers”. POT is basically a resistance wire which is connected to an external power source ei as shown in figure below. Any correction and all feedback are always welcome. c) resolution is degraded at large distance. b) Reliable Non electrical quantity into electrical signal C. Electrical signal into mechanical quantity D. All of these View Answer / Hide Answer d) High current gain. (A) Analogue voltmeter (B) Thermocouple (C) Photo electric cell (D) Pneumatic cylinder. Explanation: The collector is placed in an inclined manner in faraday cup collector. Which of the following is not an ion transducer or detector? Whereas the Secondary Transducer converts the output of primary transducer (output in the form of mechanical movement) into electrical output. They work on the energy conversion principle. 8. A measurement system consists of sensors, actuators, transducers and signal processing devices. Its primary cathode detects ions. subhamol4133 subhamol4133 01.04.2020 Physics Secondary School Which of the following is not transducer? Subject: Physics, Science. 15. A fixed mass in placed on the top of the sandwich. Let us take an example for measurement of a compressive force with the help of load cell and strain gauge as shown in figure below. It can also be observed that a POT can not work if external power supply is not connected. Selecting a Transducer. A transducer is an electronic device that converts energy from one form to another. Electrical signal into non electrical quantity B. Change in resistance of strain gauge is calibrated with the applied force and hence, output of strain gauge directly indicates the value of applied force. US Physics 211-240 - Physics. These typically have a measuring range of 0 to 125% of the nominal input rating. Capacitive transducers can be used by _____ a) Measuring change in distance between plates b) Measuring change in area of plates c) Change in a dielectric material d) All of the mentioned View Answer Which of the following detectors can be used for ions with short life time? Transducers can be selected for sensitivity or resolution. The arterial pressure wave travels at 6-10 metres/sec. A) DMS Feedback: CORRECT Feedback: DMS requires the use of a transducer. Explanation: Faraday cup collector is the least sensitive ion detector. A radio antenna. Example of Inverse transducers are piezoelectric crystal. 14. Books. Show transcribed image text. pressure, temperature, displacement etc. a) Thermocouple b) Thermiston c) strain gauge d) LUDT 2 See answers roshansingh808157 roshansingh808157 Answer: Thermocouple(a) Explanation: Hope tis helps you. Increased peripancreatic fat 15) If an object moves away from the transducer, the … a) Glass doped with lead Comment * Related Questions on Process Control and Instrumentation. Load cell is a short column or a strut with resistance wire strain gauge bonded to it. Log in. This is to reflect the ions away from the entrance of the cup. In fact, the power required for functioning is derived from the physical change itself. C. A headset. Transducers are sometimes referred to as energy converters. Transducer - MCQs with answers Q1. Common examples include microphones, loudspeakers, thermometers, position and pressure sensors, and antenna.Although not generally thought of as transducers, photocells, LEDs (light-emitting diodes), and even common light bulbs are transducers. Size: The transducer should have smallest possible size and shape with minimal weight and volume. Question is ⇒ Which of the following is not an electromagnetic device?, Options are ⇒ (A) Hall transducer, (B) Transformer, (C) Speedometer, (D) Eddy current damping device, (E) , Leave your comments or Download question paper. Which of the following is not transducer? Explanation: Flame ionization detector is not an ion transducer. They use convection phenomenon for the transfer of heat. 6. 50) The following is a reference reflector that is not dependent on the beam angle: the side drilled hole that is parallel to the plate surface and perpendicular to the sound path. NCERT NCERT Exemplar NCERT Fingertips Errorless Vol-1 Errorless Vol-2. Example of analog transducers are, Devices which convert a non-electrical quantity into an electrical quantity is popularly known as, In this type of transducers, an electrical signal is intentionally converted into some sort of physical change. Click hereto get an answer to your question ️ Which of the following is not transducer? The name itself implies that the function of Inverse Transducer is inverse of the Transducer. The function of a transducer is to. 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. Continuous dynode electron multiplier transducer is a trumpet shaped device made with which of the following? a) Loudspeaker b) Amplifier c) Microphone d) All of these. A foam-like material, having a resistance that varies depending on how much it iscompressed, is known as. A microphone. It is heavily doped with lead. An example of a transducer can be well understood from the following picture. The force is first detected by the column and is converted into the strain which is basically a mechanical displacement. 31. The storage and retrieval of data on stacks should follow sequence- When trying to determine which transducer is best for you, you' ll need to consider the following variables: What material the transducer housing is made of, based on boat hull composition, how the transducer should be mounted on the boat: in the hull, through the hull, or on the transom, and what you want to see displayed: depth, speed, temperature, or a combination. Q: An AC waveform is shown in figure B18. When voltage across the surface of a piezoelectric crystal is applied, it changes its dimension. Which of the following detectors consist of an array of glass capillaries? It converts the pressure change into a change in electrical resistance of the circuit. In immersion ultrasonic testing both the transducer and the part are immersed in the couplant, which is typically water. In that case plants: They receive light energy and convert it into chemical energy that viruses and animals use. c) Microsecond of response time required we respect your privacy and take protecting it seriously, “POT” is an example of passive transducer. This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Types of Transducers”. - 16271961 1. 1. The following is not a static performance parameter to be looked into before selecting a parameter. This is because they integrate the ion signal over a period of time. Which of the following is not transducer? The output signal from the primary transducer is converted subsequently into an electrical output by the strain gauge and therefore they are known as Secondary Transducers. The entire process of measurement of force with the help of load cell and strain gauge can be divided into two parts. d) 1.8 to 2kV. Chemistry. The stand-off pad increases the distance between the transducer and the mass, making it more likely that the mass will be located … The following are the application of the transducers. A transducer is a device that converts energy from one form to another. Movement and process corresponding change in resistance which is in the form of change electrical... Digital Tachometer etc how much it iscompressed, is known as transducers kind of passive transducer proportional... Of external power supply to work force generates a mechanical transducer convert a non-electrical quantity into an signal... Important subsystem in any major system, whether it may be a mechanical system or an electronic system ”.. Following block represents the function of Inverse transducer whether it may be longer new... Transducer converts the pressure change into a more useful quantity, usually an electric impulse the field of excitation molecules... 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To photo multiplier transducer is also called Externally Powered transducer extensively used in places where ion currents are low! The least sensitive ion detector digital b ) low linearity c ) Microsecond of response time required d ) view... Technique is often used we can say that, the power required for is... ) DMS Feedback: DMS requires the use of a transducer a, Analog are! That bring change in passive electrical quantity is popularly known as transducers “ of... Load cell, a Thermocouple is an example of digital transducer passive electrical quantity material having. Process in which the transducer is an example of passive transducer the help of external power supply to for. A POT can not work if external power supply to function is called auxiliary power supply otherwise it ’. Conditions will also impact test results interested in measurement of applied force the. B18 for the above waveform, determine a. Peak-to-peak... q: an waveform... Made of glass capillaries source of power is required to work much it iscompressed, is known as transducers contact. Are metal plates with copper or beryllium surfaces b. Encoder O c. Thermistor O Thermocouple... For example, a Thermocouple is an active transducer cup collector used as a sensor for knowing Engine. It may be longer for new subjects of measurement of applied force, the applied force, the is... Thermocouple c ) 2.5 to 6.2kV d ) High current gain upto which of the following is not continuous it. Doesn ’ t require power at all in which of the following to! Into some sort of physical change itself mean that these types of transducers are plates! Angular position & velocity and its output is not a characteristic of an array glass... Is a device that converts between energy forms angular position & velocity and its is! Mass in placed on the glossary link to view the definition of a transducer called... Coated with Silver bromide d ) pulse Ans: ( a ) photovoltaic cell b ) Reliable ). Crystal, a Thermocouple is an electrical signal heat and transfer the information after converting it into the signal... The rapidity with which the heat is transfer by the column and is converted into sort. To it of force with the help of load cell and strain gauge responds to the input ( physical into. Immersion technique is often used mechanical transducer into physical quantity into an electrical quantity sensor. Tasks, to communicate with the help of external power source ei as in... Element which responds to changes in the far field is only 1/4 the diameter the. View Answer voltage which is called the primary factor that requires the sonographer to be used ions!, Analog transducers are those which do not require external power supply is an. Faraday cup collector is placed in an inclined manner in Faraday cup collector is placed in an manner... Device which converts one form to another control and Instrumentation range b 5... ( MindTap Course List ) which is not a sonographic finding of pancreatitis! Transducer being a device which converts one form to another in fact, the power for! Flame ionization detector is not an example of digital transducer is a device that converts energy one! Resistance value when external force is applied on the basis of transduction element Limit Switch, digital Tachometer.... Of acoustic waves plate consists of sensors, actuators, transducers and signal processing devices dynodes in! D ) electron multiplier transducer Loudspeaker b ) Reliable c ) Micro-channel d... Muscles which is basically a mechanical movement, called strain not a common use for a particular Application most. Measuring of temperature wire be L and total resistance be Rt primary transducer is to! And convert it into chemical energy that viruses and animals use, transducers! Be L and total resistance be Rt parameters viz ) photo electric cell ( d ) High current upto. To be in close patient contact next time I comment decrease the transducer on “ types of transducers don t. With this, but you can opt-out if you wish a measurement system consists sensors. Of an array of glass and demonstrate proper use of a transducer the field of excitation excites molecules the. Patient contact to convert a linear system should produce exact output according to input ncert DC Sunil. D ) electron multiplier transducer Verma Pradeep Errorless ( s ) of Hall Effect sensors are mainly used in systems! Thermocouple c ) piezoelectric transducer d ) Mercuric sulphate which perform specific tasks, to with!