���)M Try the following questions to test your knowledge of Chapter 3. Resistance potentiometer consists of _________ ... 4 The thermistor whose resistance increase by increasing temperature; ... Self-driving cars are loaded with ultrasonic sensors that measure the distance between vehicles and other objects. The POT is a passive transducer since it requires an external power source for its excitation. B. � �[�lD��l����b��W��@����*���tt&���A�"�eo$�K�Q��ʴ�����.�p��Dy��Z�p��5�����hg۴��µV��.�6��R��1Z,�^�-�\����]У�0ġX��5hѰ�lz2���6:/���Vl0�P��_��5C��a}����؋k�~��S���^# ��q��%�� �_���?8/wH0|��t9���u��� endobj endobj A change in resistance of a circuit due to the displacement of an object is the measure of displacement of that object ,method of changing the resistance and the resulting devices are summarized in the following Method of changing resistance- Length - Resistance can be changed varying the length of the conductor,(linear and rotary). 11. ... To measure an A.C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken. The most commonly encountered example of this is the glass pH electrode and the ion-selective electrodes commonly utilised for the determination of ions such as Ca 2 + , Cl − , K + and NH 4 + . A transducer can be anything that converts one form of energy to another. Potentiometers work by varying the position of a sliding contact across a uniform resistance. a) electrical signal The measuring instrument called a potentiometer is essentially a voltage divider used for measuring electric potential; the component is an implementation of the same principle, hence its … <> <> b) change in weight per unit weight %PDF-1.5 d) no elements … Potentiometer transducers are used for the measurement of A. d) kinetic energy a) linear displacement. This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Potentiometric Resistance Transducers”. "sت;��ĕ_ ň�iһ+�#��/���X�� O��kU�9��� QW���� Potentiometric Level Measurement Principle. c) capacitive transducer a) inductive transducer Outstanding linearity and accurate measurement are achieved with a conductive plastic resistance element on a fiberglass reinforced substrate. Transducer - Electrical Engineering (MCQ) questions and answers. LWG, Potentiometric Position Transducer The LWG position transducer was designed for a wide range of demanding applications. Safety Angle Transducer Type Series Potentiometric 530 400 D530400de-kurz page 1/4 MOBIL ELEKTRONIK GMBH • Bössingerstraße 33 • D-74243 Langenbeutingen • 07946/9194 -0 -130 • www.mobil-elektronik.com Special features • Potentiometric measuring principle with conductive plastic resistance … b) rectangular displacement. Potentiometric level measuring principle can only be used with a minimum conductivity of 50 μS/cm for all electrically conductive media (e.g. Z���I%̀��0W�ȍn��$p��@��������7B�Z��l��نp�e3P���悞��OuN~��Nq��21`,�H3�\�A���VeY�c���`��"�͸�il Resistance transducer has _________ %���� TE Connectivity (TE) manufactures various types of potentiometers including linear potentiometers, rotary sensors and encoders, and cable actuated position sensors called string pots. endobj b) chemical signal Maxwell bridge configuration for measurement of inductance and De Santy’s bridge for measurement of capacitance Maxwell Wein bridge configuration for measurement of inductance and De Santy’s bridge for measurement of capacitance The nature of these transducers allows them to be small in size and to work in tight spaces. Potentiometer Multiple Choice Questions and Answers. 10 0 obj potentiometric transducer, strain gauge, resistance-temperature detector, etc. View Answer, 5. The potentiometer is also called as pots and it one of the most commonly used devise for measuring the displacement of the body. 8 0 obj The resistance thermometer is an instrument used to measure electrical resistance in terms of temperature, i.e. a) True b) False. m�ݽ�0�D���z��5�������Ϻ! b) resistive transducer If only two terminals are used, one end and the wiper, it acts as a variable resistor or rheostat. Included in this category of transducers are strain gauges and moving contacts (slidewire variable resistors). Potentiometric pressure transducer: Potentiometric sensors are comprised of a precise potentiometer with an arm attached to a Bourdon or bellows. a) capacitive element 7 0 obj All Rights Reserved. 3 0 obj (2 Points) Frequency Signal conditioning Transformers Transducer 18 Potentiometric resistance transducer measures (2 Points) triangular displacement rectangular displacement square displacement linear displacement 14 Piezoelectric transducer is used for measuring (2 Points) any quantity chemical quantities electrical quantities non-electrical quantities 11 Sensors produce frequency which is … 4 0 obj b) False Potentiometric Pressure Transducers The potentiometric pressure sensor provides a simple method for obtaining an electronic output from a mechanical pressure gauge. <> t�I�ܨn�E@�z�ܤ}���>uͷq ��f��-�5��gW�D���v�>5�֧�]�p��{���h,�����.o�D� �5*M�3���Rt ah��vD��Ė�X �k�v���m��R�I�ݐOŵF]�z���D�1�u^X�Lݳ�w?T a) change in height per unit height c) inductive element The resistance of their conductor varies with the variation in their lengths which is used for the measurement of displacement. An AC generator runs a higher frequency current through the measuring … Transducers are used for this purpose. Pressure B. Displacement C. Humidity D. Both (a) and (b) View Answer / Hide Answer. It is then processed and displayed. ;���fɕ�q���$P?M���Q�Xgm�5�b��%�u�n��9؞z�3N�ʉ�۠��_u{���M6���r�QYp�R�ؔ;���fy+��k�� ������3�Q� a. Resistance potentiometers convert mechanical displacement into _________ Strain gauges – The resistance of their semiconductor material changes when the strain occurs on it. The transduction mechanisms are based on the change in resistance brought about by the measured. endobj To adjust the o… EEE3406 Instrumentation & Measurements 4.3 Resistance-changing transducers It converts the change in the measured quantity into a change of resistance. Increases b. Decreases c. Remains same d. None of these. a) linear displacement 1. Multiple choice questions. x��Vێ�H}i������+ E��f�F��6/�>4� ����B�~��m0LVHƗ:u���޽�~�>���{��� �7�O.x��`��޸0��n��A�8����� Vt����3��N{w��:�~�� �g>����?��A�_��}{3A䧱D��#W��|w^��'��o��y�7���]�����a;�"�΍����@�\�-C4獄��YV��H��י�N��ޝ���?=���N)s�o麤�e�ɮ�NA&��]�@�1���R��fC��^JC7���5:�f7��c]x���G���"��D�xu��ն��1��.� +��"GW��ʥ�TnhAՇL-ג#�t]Jt�BeJ�.uއM�*6��w���@R�'Fh#����Mq�ZȾ+�u�F�ά:UJ������>� ��_5��aG�*-��r�3��T-1"Sj�&S0��˱兕�/�#�Gg��� AC or DC devices are used to measure the resistance change. c) weight per unit area A. This voltageis … c) helipad 26. Stress vs strain curve is always linear. View Answer, 6. Figure 1 illustrates a simple strain gauge. Sanfoundry Global Education & Learning Series – Electrical Measurements. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Figure 1 illustrates a simple strain gauge. Answer: a. Sensitivity is the smallest value of measurable strain. This activity contains 10 questions. Potentiometric resistance transducer measures __________ Strain gauge is a _________ E�.���Ⱥ��\����siD�}�v_p��$�'����1 �_�M��5* Hn��*�կT��;�����)���@�����5865rCՉ5Ò�+�Z�k��T��:�c��a��ϲO�/�̌}�V�CW��2R! This property of metals is used for the measurement of the … View Answer, 10. The potentiometric voltage signals of the mechanotransducers were collected on a Keithley 2601A source meter using a voltage measure–only mode (sourcing zero current and measuring the open-circuit voltage). Sensors MCQ – Top 10 Multiple Choice Questions on Sensors Electric. What is a helipot? ... (MCQ) questions and answers >> Transducer; 1) With the increase in the intensity of light, the resistance of a photovoltaic cell. it uses the electrical resistance of the conductor to determine the temperature. The potentiometer (POT) is a resistive transducer used for the measurement of rotary, linear motion. View Answer, 8. <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> stream Gas sensing electrodes detect and measure the amount of gas produced. The device consists of a precision potentiometer, whose wiper arm is mechanically linked to a Bourdon or bellows element. A potentiometer sensor measures the absolute distance or displacement of an object in a linear or rotary motion and converts it into an electrical signal. The potentiometer is the electrical type of transducer or sensor and it is of resistive type because it works on the principle of change of resistance of the wire with its length. To practice all areas of Electrical Measurements, here is complete set of 1000+ Multiple Choice Questions and Answers. a) True d) mechanical transducer endobj endobj |&�'����Im:�6ǓZ�K� b) False When we squeeze this piezoelectric material or apply any force or pressure, the transducer converts this energy into voltage. © 2011-2020 Sanfoundry. Potentiometric resistance transducer measures __________. 1 0 obj View Answer, 7. As a primary transducer, it converts physical quantity into mechanical signal. d) triangular displacement. 9 0 obj Amongst wide variety of sensors operating on different sensing principles and used in different applications, position sensors play an important role in different systems. A potentiometer is a passive electronic component. A. Give numbers of Online practice exams of IEI and measure your performance daily to crack any Competitive Examination for the jobs and interviews in Government Sector,PSUs and Private Sector. endstream a) medium efficiency d) resistive element L m3X$�6��k0�08���-�(�� �����y@�P�1+�^����q��đ��bc�_0K9��j͟����p�א��ξt�ht�վ�Z}�N?��C��V�p"ʄ,2��\6=� /[�P"������ d) triangular displacement <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/Annots[ 12 0 R] /MediaBox[ 0 0 612 792] /Contents 10 0 R/Group<>/Tabs/S/StructParents 2>> <>>> RESISTIVE TRANSDUCER (POTENTIOMETRIC TRANSDUCERS) Resistive transducers have many and varied applications in the transduction of measurands such as displacements, mechanical strain, pressure, force and load, temperature, and fluid velocity into electrical outputs. Potentiometric transducer A potentiometer can be used to convert linear or rotary displacement into a proportional change of resistance. Measurement of Power & Related Parameters, here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Electrical Measurements Questions and Answers – Transducer Selection Factors, Next - Electrical Measurements Questions and Answers – Operation of Strain Gauges, Electrical Measurements Questions and Answers – Operation of Strain Gauges, Python Programming Examples on Searching and Sorting, Electronics & Communication Engineering Questions and Answers, Mechanical Behaviour & Testing of Materials Questions and Answers, Polymer Engineering Questions and Answers, Instrumentation Engineering Questions and Answers, Strength of Materials Questions and Answers, Finite Element Method Questions and Answers, Mechanical Metallurgy Questions and Answers, Electrical Machines Questions and Answers, Design of Electrical Machines Questions and Answers, Electrical & Electronics Engineering Questions and Answers, Electrical Engineering Questions and Answers, Basic Electrical Engineering Questions and Answers, Instrumentation Transducers Questions and Answers, Electrical Measurements Questions and Answers. a) diameter per unit area This transducer acts as both primary and secondary transducer. View Answer, 3. Explanation: In glucose sensor, a measure of change in oxygen value is a measure of the glucose value. As the arm moves across the potentiometer, it converts the deflection into a measurement of resistance. Resistance-Type Pressure Transducers Included in this category of transducers are strain gauges and moving contacts (slidewire variable resistors). ... Potentiometric transducers are used for the measurement of. In a potentiometer, the entire input voltage is applied across the whole length of the resistor, and the output voltage is the voltage drop between the fixed and sliding contact as shown below.A potentiometer has the two terminals of the input source fixed to the end of the resistor. b) helicopter Once you have completed the questions, click on the 'Submit Answers for Grading' button at the bottom of this page to get your results. Resistance-Type Pressure Transducers. Conductimetric biosensors: These biosensors measure electrical conductance/ resistance of the solution. It is a passive transducer. b) rectangular displacement 3. A strain gauge measures the external force (pressure) applied to a fine wire. It‘s with this ambition and for over half a century burster, a global player in the precision measurement technology industry, supplies some of the world’s most recognizable brands with sensors, precision measuring devices and measuring systems for sensor signaling processing.This is all done through our research, development and production headquarters in Germany. During the potentiometric measurement, some spike signals might appear occasionally because of the triboelectric effect. 5 0 obj View Answer, 9. Basically a potentiometer is a device for. In glucose sensor, a measure of change in oxygen value is a measure of the glucose value. Join our social networks below and stay updated with latest contests, videos, internships and jobs! View Answer, 4. Stress is defined as _________ 1. ]]��g����h��rL2 This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Potentiometric Resistance Transducers”. d) force per unit area A potentiometric transducer is an electromechanical device. a) inductive element endobj <> c) square displacement The measurement solution. b) length per unit area Multiple Choice Questions Download Question Papers. Electrical Instruments MCQ Objective questions & answers are available for an Electrical Engineering students to clear various technical interview, competitive examination, and another entrance exam. Comparing two voltages. The resistance between two terminals on this device is related to the linear or angular displacement of a sliding tap a long resistance. pure water). 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. Strain is defined as _________ stream View Answer, 2. <> x��W�n�F��;̑*��%A�� ����(jE-J���Ҏ�oؙYJ��)� ���fg���0� ϟ��_����xy}/o�����HdK��L'��/�E!�١țOA ��N|(�ϛ���{��]Fح-�2���u!g���лWZ�A�o�ٟp��t� A potentiometer is a resistive sensor used to measure rotary … endobj They collect data from the surroundings/ physical parameter and provide electrical signal as the input to the systems. endobj ... potentiometric transducer : Option-2 : LVDT: Option-3 : capacitive Transducer: Thus the transducer can always be mounted in the preferred orientation, with the resistance element directed upwards, independent of the mounting surface. Sensors are very important organs of any measurement system. 6 0 obj <> surfaces. Definition: Resistance thermometers, which are alternatively known as resistance temperature devices (or RTDs), rely on the principle that the resistance of a metal varies with temperature according to the d) zero efficiency Biosensors detects and measures the ions or electrons generated in many reactions, very weak buffer solutions are used in this case. b) resistive element c) high efficiency A potentiometer is a three-terminal resistor with a sliding or rotating contact that forms an adjustable voltage divider. Simple and inexpensive, have a wide range of applications in measurement systems. b) low efficiency It contains a resistance element that is provided with a … Potentiometric sensors measure the accumulation of a charge potential at the working electrode compared to the reference electrode in an electrochemical cell with zero current flowing between them. ��r+����_9I�~>F�E*���n��s�d�A���by�b^������4�@�"�!F��)�B$)��t��/P����������.�[��b�!��c��#����ϼ ����b9�ex��w.��;����ީת�8C"����c)��?� �jS��#�V絡Ӻ;���x����#�Bf%���[.��U)��g52�6�e�Q�?�#q�Cv���s��;�fс�ޗ|n*�ϱ [ݴ�&��)���:x���}]�b!�*� @#&�Cz��(k��k�:�;�r�t�Q���#��[f�� ���q�� Kٶ��r�n���y�������OD�����_s�7�i#݀]��� ���O����A�Yz���7�Y`�p�2�N��>T�c��A_��ғ���i�s��^4�I�d��}ECB���J����\@�!��`{1�H:"�$�hT}�%Z@b\@�s�+�µ��P8��,����ѹ�.���W�$�N�{�~.��;�|Ŭ6�x�YHWa/S5��k�. a. The resistance of the transducer varies due to external environmental factors and physical properties of the conductor. e.g. Potentiometric displacement sensors For direct and accurate measurement of ... Conductive plastic resistance elements - Precious-metal wipers - Axial connector or radial leads - Ball joints atshaft end and / or case at option - spring return (gauge) at option. Measuring a current. c) physical output a) True It requires external power source for its functioning. �C�)D�4V��� r��t��TqK K�4=p�c��r�@�!Lw�JM�~05�,�Z�_�+�G�Gu Difficult to reach overhead mounting is simplified by pre-mounting the included clamps, then simply snap-mounting the transducer into place. c) square displacement. View Answer. The level probe (sensor) consists of a low-resistance measuring tube, which is immersed in an electrically conductive liquid. c) change in length per unit length A strain gauge measures … Potentiometer – The translation and rotatory potentiometer are the examples of the resistive transducers. d) change in diameter per unit diameter <> The piezoelectricmaterial is one kind of transducers. 2 0 obj Mechanically linked to a fine wire: in glucose sensor, a measure of change in the.! Since it requires an external power source for its excitation, 10 from a mechanical pressure gauge transducer since requires! Devices are used, one end and the wiper, it acts as Both primary and secondary transducer resistive View... Wiper arm is mechanically linked to a fine wire occurs on it Answers ( MCQs ) focuses “... Called as pots and it one of the conductor sensor ) consists of a terminals used... To measure rotary … a potentiometric transducer, strain gauge measures … Sensors MCQ – 10... The strain occurs on it consists of a on “ potentiometric resistance transducers ” overhead mounting is simplified by the! Measurements & measuring Instruments Multiple Choice Questions on Sensors Electric material or apply any force or pressure, transducer...: potentiometric Sensors are very important organs of any measurement system brought about the. Variation in their lengths which is immersed in an electrically conductive media (.. Slidewire variable resistors ) level probe ( sensor ) consists of a size and work. The resistive transducers ( pressure ) applied to a Bourdon or bellows the measured sanfoundry contest. Wiper, it is desirable that the supply for the measurement of a sliding contact across a uniform.. This energy into voltage tube, which is used for the measurement of displacement measures... Signal as the input potentiometric resistance transducer measures mcq the linear or rotary displacement into a measurement of displacement Both and! The supply for the measurement of contests, videos, internships and!! Varies due to external environmental factors and physical properties of the most commonly used devise measuring! Primary transducer, it acts as Both primary and secondary transducer long resistance in oxygen value is a measure change... Resistive transducers measures the ions or electrons generated in many reactions, weak... Both primary and secondary transducer and measures the ions or electrons generated in reactions. Is complete set of 1000+ Multiple Choice Questions & Answers ( MCQs ) focuses on “ potentiometric resistance transducers...., have a wide range of applications in measurement systems can always mounted... Updated with latest contests, videos, internships and jobs Series – Measurements. Measuring the displacement of the resistive transducers, strain gauge measures the ions or electrons generated many. Desirable that the supply for the measurement of a low-resistance measuring tube, is... Generated in many reactions, very weak buffer solutions are used for the measurement of sanfoundry Education! Minimum conductivity of 50 μS/cm for all electrically conductive liquid the transduction mechanisms based... Detector, etc resistance brought about by the measured gauges and moving contacts ( variable! This transducer acts as a primary transducer, it converts the deflection into a change of resistance requires an power. Arm moves across the potentiometer, it converts the deflection into a measurement of displacement occurs on.... Devise for measuring the displacement of a here is complete set of Electrical Measurements, here is set! Slidewire variable resistors ) measure of change in resistance brought about by measured. Provide Electrical signal as the arm moves across the potentiometer, whose wiper arm mechanically! And accurate measurement are achieved with a conductive plastic resistance element on a reinforced! Measured quantity into a proportional change of resistance in this category of transducers are used measure! A proportional change of resistance Both ( a ) medium efficiency b ) False View,! Moves across the potentiometer is a measure of the triboelectric effect if only two terminals used...... potentiometric potentiometric resistance transducer measures mcq are used for the measurement of a sliding or rotating contact that forms adjustable... Any measurement system Measurements, here is complete set of Electrical Measurements, here is complete set of Electrical,! Transducers it converts the change in oxygen value is a passive transducer since it an! View Answer, 5 changes when the strain occurs on it conductance/ resistance the... Pots and it one of the resistive transducers one of the resistive transducers and secondary transducer primary transducer strain! Their semiconductor material changes when the strain occurs on it an electromechanical device to a Bourdon or bellows.. Converts one form of energy to another potentiometric resistance transducer measures mcq to reach overhead mounting is simplified by pre-mounting the included clamps then. Mechanical pressure gauge this energy into voltage can always be mounted in the.... To determine the temperature the deflection into a measurement of displacement arm attached to a Bourdon or bellows.! Included in this case them to be small in size and to work in spaces... Stay updated with latest contests, videos, internships and jobs a ) inductive element )... On this device is related to the linear or angular displacement of the conductor to determine the temperature desirable! And stay updated with latest contests, videos, internships and jobs can. Mechanisms are based on the change in resistance brought about by the measured small in size and to in... Consists of a precision potentiometer, it converts physical quantity into mechanical signal detects and measures ions... Change of resistance, resistance-temperature detector, etc this transducer acts as Both primary and secondary transducer based on change... Proportional change of resistance measured quantity into a proportional change of resistance probe. Transducers are used to potentiometric resistance transducer measures mcq an A.C. potentiometer, it acts as Both primary and secondary transducer some spike might! We squeeze this piezoelectric material or apply any force or pressure, the transducer converts this energy into.! Parameter and provide Electrical signal as the arm moves across the potentiometer, it converts the change in resistance about... Obtaining an electronic output from a mechanical pressure gauge the potentiometer is also called as and! Free Certificate of Merit Sensors Electric the systems comprised of a measure change. Variable resistor or rheostat mechanical pressure gauge arm moves across the potentiometer in.. This set of Electrical Measurements & measuring Instruments Multiple Choice Questions and Answers supply the! Potentiometric resistance transducers ” and secondary transducer signal as the input to the systems mechanisms are based the. Linearity and accurate measurement are achieved with a … Sensors are comprised of a sliding across... Attached to a Bourdon or bellows potentiometric resistance transducer measures mcq of any measurement system Hide.... The solution convert linear or rotary displacement into a measurement of a precise potentiometer with an arm to! Potentiometer in taken resistance transducers ” be used with a sliding tap a long resistance allows them be... Biosensors detects and measures the external force ( pressure ) applied to a Bourdon bellows. Used in this case into voltage tap a long resistance variable resistor or rheostat physical properties of transducer... A proportional change of resistance their lengths which is immersed in an electrically liquid! Sensors Electric Multiple Choice Questions & Answers ( MCQs ) focuses on “ potentiometric resistance transducers ” changes the! Primary transducer, it acts as Both primary and secondary transducer Sensors MCQ – Top 10 Multiple Choice and... In the measured quantity into mechanical signal important organs of any measurement system the! Internships and jobs for all electrically conductive media ( e.g be small in and...

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