Semiconductor layer using silicon and germanium is known as _____ a) Photo diodes b) Photo junction diodes LDR’s are also called _____ a) Photo voltaic cell b) Photo resistive cell c) Photo emissive cell d) All of the mentioned 19. Get to the point GATE (Graduate Aptitude Test in Engineering) Instrumentation questions for your exams. The variable resistance transducers are also called as resistive transducers or resistive sensors. MCQ Topic Outline included in ECE Board Exam Syllabi . Strain gauge. Resistive Transducers Information on IEEE's Technology Navigator. Distance between the two parallel plates. b. Phototransistors . Introduction A resistive sensor is a transducer or electromechanical device that converts a mechanical change such as displacement into an electrical signal that can be monitored after conditioning. Examples: Mechanical transducer and Electrical transducer Electrical Transducer Referring now to FIGS. Q2) Optical sensors used for the displacement measurement works on the principal that. Resistance Strain Gauge – The change in value of resistance of metal semi-conductor due to elongation or compression is known by the measurement of torque, displacement or force. The dynamic response is limited. Resistance and Resistive circuits MCQ: Interactive multiple choice questions or quiz on resistance and resistive circuits. B. AC Circuit - Resistive Circuit objective questions (mcq) and answers; 1. C. Linear variable differential transformer (LVDT) D. Photodiode. Start your Research Here! Transducers, Measurement & Instrumentation-Resistive, Capacitive, Inductive and Piezoelectric Transducers and Their Signal Conditioning: Questions 1-5 of 6. 1. Resistive Type of Sensors - Their Analysis and Applications Debasmit Das 10115039 Batch : E3 2. Applications of LVDT. 36) If the ambient temperature is doubled and pressure fluctuates, then the transmission time of radar through air is a. Resistive Transducers 1. c. Laser. A resistive transducer is mainly used in the calculation of temperature, displacement, pressure, force. Transducers, Measurement & Instrumentation: Questions 1-5 of 13. Small piezoresistors attached to the structure undergo the same mechanical strain. a) X ray b) Gamma ray c) Alpha and beta rays d) None of the mentioned 18. 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. For example resistive capacitive inductive transducers. Definition and General Concept of Transducer Definition The transducer is a device which converts one form of energy into another form. The capacitive transducer comprises of two parallel metal plates that are separated by the material such as air, which is called as the dielectric material. Less than 5 ohms. 451. Transducer Output is Proportional to the Displacement. It is otherwise called as resistive sensors. Q5. Q6. Passive Transducers Resistive Transducers. ANSWER: Inductive transducer. The transducer works on the principle of the length of the conductor. 2. C. One-fourth. photoelectric transducers? ? Choose the letter of the best answer in each questions. MCQ in Transducers ; MCQ in Motor Speed Control Systems ; MCQ in Robotic Principles ; MCQ in Bioelectrical Principles ; MCQ in Instrumentation and Control; MCQ in Sensors; MCQ in Optoelectronics devices ; Continue Practice Exam Test Questions Part 10 of the Series. Transducers which require an external power source for their operation is called as a passive transducer. The capacitive transducer works on the principle of variable capacitances. to understand the working principle, consider a conductor rod. Resistive sensors are among the most common in instrumentation. Capacitive Transducer Definition: The capacitive transducer is used for measuring the displacement, pressure and other physical quantities. Intensity of light increases with … MCQ ON DISPLACEMENT MEASUREMENT,STRAIN MEASUREMENT,MEASUREMENT OF ANGULAR VELOCITY,ACCELERATION MEASUREMENT. May 21, 2018 - Practice Resistive Transducers objective questions and answers, Quiz & MCQ to crack any sort of interviews, competitive exams and entrance tests. Choose the letter of the best answer in each questions. Almost unaffected and remains same b. A transducer is classified as Resistive, Inductive or Capacitive depending upon how they convert the input quantity into resistance, inductance or capacitance respectively. They have a common working principle, which states that the measured parameter results in a small change in the resistance of a transducer. Resistance Hygrometer – The change in … The working of a resistive transducer can be explained by considering a conductor rod as the transducer. The following are resistive passive transducers, except? Q1) The detectors used in optical sensors is. 16. B. Double. For example, a photocell (LDR) is a passive transducer which will vary the resistance of … The capacitance of a passive capacitance transducer depends on the following factors, except? 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) 2. Ground resistance value for sensitive installations is: Less than 5 ohms; 5 – 25 ohms; 50 ohm; 100 ohms; Correct answer: 1. The earthing rod orientation in the pit should be: 45° Horizontal; Vertical; 75° Correct answer: 3. INSTRUMENTATION IMPORTANT MCQ ON TRANSDUCERS FOR BARC ISRO ESE PSUS PREPARATION FOR ECE IN EEE ... Resistive & Inductive Transducer - PhotoTransistor - Duration: 18:38. The LVDT can be used in all applications where displacement ranging from fractions of a few mm to a few cms have to be measured. d. Only (a) and (b) e. All the above. B. Vertical. A. Basically a resistance potentiometer, or simply a POT, (a resistive potentiometer used for the purposes of voltage division is called a POT) consists of a resistive element provided with a sliding contact. … 3. Sunlight corresponds to about. 5. Pressure transducer for measuring blood pressure is a) Strain gauge transducer only b) Strain gauge or capacitive transducer c) Resistive transducer d) Fiber optic transducer Ans : (b) 36. The POT is a passive transducer. CLASSIFICATION OF PASSIVE TRANSDUCERS 17. The strain gauge, photoresistor, photodiode, phototransistor, and thermistor come under resistive type passive transducers. These transducers require external power source for energy conversion. The temperature effects transducers. One-half of . They can be categorized as piezoelectric, thermoelectric, magnetorestrictive, electrokinetic and optical. A. It measures temperature, pressure, displacement, force, vibrations, etc. Resistance Thermometer – The change in resistance of metal wire due to the change in temperature known by the measurement of temperature. Resistive Transducers-related Conferences, Publications, and Organizations. Your name: Your Email: Your Comments: 2. B. What Are The Advantages And Disadvantages Of Potentiometer? A. 50,000 lux. A. node. The change in resistance of a metal wire owing to strain is due to S1: Change in dimension of wire expressed by factor (1-2µ) S2: Change in resistance ? Answer : Advantages : Inexpensive D. Equal to View Answer. The most commonly used type of transducer is variable resistance transducer. MCQ on Electrical Earthing. ANSWER: All of these. Question 38. 2. 50+ MCQ with answer and reasoning B. Resistive Transducer Resistive transducers are those in which the resistance change due to the change in some physical phenomenon . In such transducers electrical parameters i.e resistance inductance or capacitance causes a change in voltage ,current or frequency of the external power source. One-half of Your Comments. 30,000 lux. Get to the point GATE (Graduate Aptitude Test in Engineering) Instrumentation questions for your exams. The area of the two parallel plates a. Photodiodes. It is a passive transducer that means it requires external power for operation. This EzEd Video explains Resistive Transducers The circuit Consists of Slider to give Zero output and Full output. They can be used for measuring various physical quantities like temperature, pressure, displacement, force, vibrations etc. Resistive Sensors 1. MCQ in AC-DC circuits ; MCQ in Resistors ; MCQ in Inductors ; MCQ in Capacitors ; Continue Practice Exam Test Questions Part 8 of the Series. Acting as a secondary transducer, LVDT can be used as a device to measure force, weight & pressure etc. The return point in a circuit, where all voltage measurements are referred. A. Resistive transducer. a. The variable resistance transducers are one of the most commonly used types of transducers. 1 and 2, a pressure resistive transducer 10 of the present invention is shown. In a purely resistive, the average power P av is.....the peak power P max. A. Current lags behind the voltage by 90 o. In a pure resistive circuit. Q.127.The transducers used for measurement of linear displacement are (a) strain gauges and resistive potentiometers (b) LVDTs, capacitive transducers and Hall effect transducers (c) thermocouples, thermistes and RTDs (d) both (b) and (c) Q.128.Which of the following additional is required for measuring pressure with piezoelectric crystal? Transducrs MCQ Questions 1. Transducers Prof. B. D. Kanani, EE Department Electrical Measurements and Measuring Instruments (2130903) 1 5.1. They can be used for measuring various physical quantities like temperature, pressure, displacement, force, vibrations etc. Resistance temperature detectors b. Thermistors c. Ultrasonic d. All of these . 35. Piezoresistive transducers are based on the idea that a mechanical input (pressure, force, or acceleration for example) applied to a mechanical structure of some kind (a beam, a plate, or a diaphragm) will cause the structure to experience mechanical strain. The capacitive transducer or sensor is nothing but the capacitor with variable capacitance. B. Potentiometer. 35) The transducer used for the measurements is / are a. 351. For the measurements is / are a 35 ) the detectors used in pit. 'S Technology Navigator but the capacitor with variable capacitance requires external power for operation another form and... 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