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 ). Chapter 3: Sensors: Multiple choice questions: Multiple choice questions. 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. Respiratory system C. Electrocardiogram system D. Nervous system Q2. MCQ No - 1. A 500 KVA transformer has a primary winding resistance of 0.592 and a secondary winding resistance of 0.001 2. Small Size: 2 3/4 x 2 x 1 1/4 inches, easy to use … Here we presented the top 100 Sensors & Transducers Questions and Answers for Freshers. It is also a transducer which converts sound energy into electrical energy. Try the following questions to test your knowledge of Chapter 12. 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. What Is Passive Transducer? D) Birefringent, A)Displacement of a contact slider on a resistance These are the errors inherent in measuring instrument because of their mechanical structure. G-coefficient representing the generated e.m.f gradient per unit pressure input. The range of the transducer is specified as from the lower value of input to higher value of input. a) Actuators and transducers are both examples of sensors. D. Vibrating level sensors View Answer / Hide Answer. 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. Mechatronics design engineer must know the capability and shortcoming of a transducer or measurement system to properly assess its performance. Answer : In the absence of external power, transducer cannot work and it is called a passive transducer. Transducer MCQs with answers Interview questions and. Analog transducers outputs are continuous functions of time. So it is called primary transducer. This contains 5 Multiple Choice Questions for Computer Science Engineering (CSE) Test: Sensor Interfacing (mcq) to study with solutions a complete question bank. acquire the capacitive transducers multiple choice questions with solutions link that we have enough money here and check out the link. These are also used in the systems which perform specific tasks, to communicate with the real world. What Is Active Transducer? Top 10 MCQ Questions on Sensors, and practical applications of different types of sensors. What Is Active Transducer? QUESTION BANK UNIT I MECHATRONICS SENSOR AND TRANSDUCERS. The words sensors and transducers are widely used in association with measurement systems. This is an accelerometer for measurement of accelerometer for measurement of acceleration in the range ± 4g. Join our social networks below and stay updated … Transducers or measurement systemsare not perfect systems. But a transducer is a more definite concept. D) Photo transistor, A) Relative error Question . 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. It is a device for determining the value or magnitude of a quantity or variable. c) Sensors and transducers are both examples of actuators. A device which converts an electrical quantity into a non-electrical quantity. A resistance thermometer consists of a resistive element which is exposed to the temperature to be measured. C) Deformation leads to a change in resistance Question 15. You might have heard of the terms like Sensors and Transducers, often frequently, sometimes confusingly interchangeably. Which consists, as already mentioned above, and of the sensor as well. B) Resistive transducer C) Fiber optic transducer D) Strain gauge or capacitive transducer. OAN551 Notes 1 link download ... Anna University 8th Semester MCQ with answers - Final Semester Subjects one mark with answers. Precision is the degree of closeness with which a given value may be repeatedly measured. 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 ability to give same output reading when same input value is applied repeatedly is known as. Measurements and Instrumentation Sensors & Transducers Objective Question. Get to the point GATE (Graduate Aptitude Test in Engineering) Instrumentation questions for your exams. Dead zone of an instrument is; 2. to understand the working principle, consider a conductor rod. What Is Passive Transducer? These sensors typically only give knowledge of two states based on the condition being sensed. 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. Mechanical device can act as a primary transducer. D) Gross error, A) Multimode the transduction element works as a secondary transducer. Q10. The iron loss is 3 kW and the primary and secondary voltages are 3000V and 300 V respectively. 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. 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 … This minimum value of the input is defined as the threshold of the transducer. Sensors And Transducers, Questions For placement and exam preparations, MCQs, Mock tests., Engineering Class handwritten notes, exam notes, previous year questions, PDF free download Mixture of metallic oxides such as manganese, nickel, cobalt, copper, iron and uranium. MCQs of Limit Gauges, Transducers and Sensors. The standard measure of each kind of physical quantity is named as the unit. The sensor is an element that produces signals relating to the quantity that is being measured. The following are the major functional physiological systems of the body except? The most commonly used type of transducer is variable resistance transducer. It is a device for determining the value or magnitude of a quantity or variable. 1. D) The time required by an instrument to warm up initially, A) Dynamic B) Movement of the magnetic field produces variation in resistance of a material 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). Ideally the output voltage at the null position should be equal to zero. The span of the transducer is specified as the difference between the higher and lower limits of recommended input values. Try the following questions to test your knowledge of Chapter 3. There are errors due to self-heating and thermoelectric effect of theresistive element and connecting leads (dissimilar metal junctions). B) Static The solved questions answers in this Test: Sensor Interfacing quiz give you a good mix of easy questions and tough questions. In this case output deviates from the correct value by a constant factor over the entire range of transducer. can be transduced into an electrical variation using capacitance variation as the primary sensing principle. MCQ No - 1. 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”. 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