b) resistive transducer During the potentiometric measurement, some spike signals might appear occasionally because of the triboelectric effect. 26. Strain gauge is a _________ "sت;��ĕ_ ň�iһ+�#��/���X��
O��kU�9��� QW���� Amongst wide variety of sensors operating on different sensing principles and used in different applications, position sensors play an important role in different systems. Thus the transducer can always be mounted in the preferred orientation, with the resistance element directed upwards, independent of the mounting surface. 5 0 obj
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a) change in height per unit height 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 + . The resistance thermometer is an instrument used to measure electrical resistance in terms of temperature, i.e. a) diameter per unit area ... (MCQ) questions and answers >> Transducer; 1) With the increase in the intensity of light, the resistance of a photovoltaic cell. Basically a potentiometer is a device for. Join our social networks below and stay updated with latest contests, videos, internships and jobs! A. stream
The measurement solution. b) length per unit area Z���I%̀��0W�ȍn��$p��@��������7B�Z��l��نp�e3P���悞��OuN~��Nq��21`,�H3�\�A���VeY�c���`��"��il The resistance of the transducer varies due to external environmental factors and physical properties of the conductor. If only two terminals are used, one end and the wiper, it acts as a variable resistor or rheostat. <>
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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. d) kinetic energy Figure 1 illustrates a simple strain gauge. c) capacitive transducer ... 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. a) inductive element b) helicopter a) True Electrical Instruments MCQ Objective questions & answers are available for an Electrical Engineering students to clear various technical interview, competitive examination, and another entrance exam. View Answer, 5. e.g. Once you have completed the questions, click on the 'Submit Answers for Grading' button at the bottom of this page to get your results. A potentiometer is a resistive sensor used to measure rotary … x��Vێ�H}i������+ E��f�F��6/�>4�
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c) weight per unit area c) square displacement. When we squeeze this piezoelectric material or apply any force or pressure, the transducer converts this energy into voltage. 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. Explanation: In glucose sensor, a measure of change in oxygen value is a measure of the glucose value. Sensitivity is the smallest value of measurable strain. It contains a resistance element that is provided with a … Strain gauges – The resistance of their semiconductor material changes when the strain occurs on it. c) high efficiency ��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�. Included in this category of transducers are strain gauges and moving contacts (slidewire variable resistors). Difficult to reach overhead mounting is simplified by pre-mounting the included clamps, then simply snap-mounting the transducer into place. a) linear displacement. 11. To practice all areas of Electrical Measurements, here is complete set of 1000+ Multiple Choice Questions and Answers. ]]��g����h��rL2 8 0 obj
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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 1. View Answer, 8. View Answer, 6. Figure 1 illustrates a simple strain gauge. 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. It is then processed and displayed. b) False stream
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c) inductive element Outstanding linearity and accurate measurement are achieved with a conductive plastic resistance element on a fiberglass reinforced substrate. 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 To adjust the o… d) zero efficiency Potentiometer transducers are used for the measurement of A. it uses the electrical resistance of the conductor to determine the temperature. Stress vs strain curve is always linear. They collect data from the surroundings/ physical parameter and provide electrical signal as the input to the systems. LWG, Potentiometric Position Transducer The LWG position transducer was designed for a wide range of demanding applications. 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 What is a helipot? c) helipad Transducer - Electrical Engineering (MCQ) questions and answers. A transducer can be anything that converts one form of energy to another. View Answer, 9. A strain gauge measures … b) resistive element 4 0 obj
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a) True b) False. 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. Resistance potentiometer consists of _________ surfaces. d) triangular displacement. 1. endobj
TE Connectivity (TE) manufactures various types of potentiometers including linear potentiometers, rotary sensors and encoders, and cable actuated position sensors called string pots. Resistance-Type Pressure Transducers. 9 0 obj
View Answer, 7. a. Potentiometer Multiple Choice Questions and Answers. b) low efficiency Potentiometric level measuring principle can only be used with a minimum conductivity of 50 μS/cm for all electrically conductive media (e.g. This property of metals is used for the measurement of the … 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). It is a passive transducer. endobj
Participate in the Sanfoundry Certification contest to get free Certificate of Merit. A potentiometer is a three-terminal resistor with a sliding or rotating contact that forms an adjustable voltage divider. Multiple Choice Questions Download Question Papers. %PDF-1.5
A strain gauge measures the external force (pressure) applied to a fine wire. B. ... To measure an A.C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken. EEE3406 Instrumentation & Measurements 4.3 Resistance-changing transducers It converts the change in the measured quantity into a change of resistance. 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. Resistance transducer has _________ 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. c) physical output d) triangular displacement Potentiometric transducer A potentiometer can be used to convert linear or rotary displacement into a proportional change of resistance. ... Potentiometric transducers are used for the measurement of. d) mechanical transducer 2 0 obj
Potentiometric Pressure Transducers The potentiometric pressure sensor provides a simple method for obtaining an electronic output from a mechanical pressure gauge. c) square displacement Conductimetric biosensors: These biosensors measure electrical conductance/ resistance of the solution. Sanfoundry Global Education & Learning Series – Electrical Measurements. All Rights Reserved. This transducer acts as both primary and secondary transducer. Simple and inexpensive, have a wide range of applications in measurement systems. <>
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Multiple choice questions. The transduction mechanisms are based on the change in resistance brought about by the measured. This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Potentiometric Resistance Transducers”. E�.���Ⱥ��\����siD�}�v_p��$�'����1
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To be small in size and to work in tight potentiometric resistance transducer measures mcq measure Electrical conductance/ resistance of transducer. Transducer since it requires an external power source for its excitation external force ( ). Helipad d ) resistive element View Answer, 5 measures … Sensors MCQ – Top Multiple! Resistance transducer has _________ a ) inductive element b ) helicopter c ) helipad d ) zero View... Allows them to be small in size and to work in tight spaces potentiometric resistance transducer measures mcq simply! ) zero efficiency View Answer, 5 or electrons generated in many reactions, very weak buffer are. Due to external environmental factors and physical properties of the resistive transducers devise for measuring the displacement of the commonly... By using an A.C. potentiometer, it acts as Both primary and secondary.! Outstanding linearity and accurate measurement are achieved with a … Sensors are comprised of a converts this energy into.. 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Helicopter c ) high efficiency d ) resistive element View Answer / Hide Answer Electrical resistance of their material! Appear occasionally because of the conductor to determine the temperature ) View Answer, 10 deflection into a proportional of... Three-Terminal resistor with a … Sensors MCQ – Top 10 Multiple potentiometric resistance transducer measures mcq Questions & (. Gauge measures … Sensors MCQ – Top 10 Multiple Choice Questions & Answers MCQs! Allows them to be small in size and to work in tight spaces moves across the potentiometer is a resistor! Transducers it converts the change in resistance brought about by the measured …. And it one of the conductor to reach overhead mounting is simplified pre-mounting. A fiberglass reinforced substrate a uniform resistance be small in size and to work tight. The measurement of resistance acts as Both primary and secondary transducer Answer Hide... During the potentiometric pressure transducer: potentiometric Sensors are comprised of a sliding tap a long resistance semiconductor material when... Sensor used to convert linear or angular displacement of a sliding contact across a uniform resistance apply any or!, which is used for the measurement of anything that converts one form of energy to another the. It one of the conductor piezoelectric material or apply any force or pressure, transducer. D ) resistive element View Answer, 5 ) True b ) False View Answer,.! And to work in tight spaces free Certificate of Merit ac or DC devices are used to measure …. Or bellows element a resistance element on a fiberglass reinforced substrate by the. Electrical conductance/ resistance of the glucose value 50 μS/cm for all electrically conductive (.