20210124· What is a Thermopile? A thermopile is an electronic device that converts thermal energy to electrical energy. It is a serialinterconnected array of thermocouples, consisting of two different materials with large thermoelectric power and opposite polarities. It is …
Explanation: A thermopile is an electronic device that converts thermal energy into electrical energy. It is composed of several thermocouples connected usually in series or, less commonly, in parallel. 5. The molar extinction coefficient of B (MW = 180) is 4 x 103 L mol1 cm1. Oneliter solution of C which contains g pharmaceutical preparation of B, shows an absorbance of in a 1 ...
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What is thermopile? A series of identical thermocouple connected together in a casing is called thermopile. It is also Used for measuring average temperature. 8.
20210426· MCQ on Sensors and Transducer. A temperature. between 200°C and 1000°C may be measured conveniently by. thermistors; Resistance thermometer; Optical pyrometer; Copper constantan thermocouple; Answer: B. Resistance thermometer. Which one of the following is. the principal disadvantage of a piezoelectric transducer? It can measure force only; It cannot measure static …
20210412· What is a thermopile? A. An instrument that measures temperature by sensing the heat radiated from a hot body. B. A number of thermocouples connected in series which increases sensitivity and accuracy by increasing the output voltage when measuring low temperature differences. C. A resistance temperature detector which uses a sensitive element of extremely pure platinum, copper or …
Chromelconstantan thermopile consists of 25 thermocouples. Options. A : True. B : False. C : D : View Answer. If two different metals are joined forming a closed circuit an electric current flows. Options. A : True. B : False. C : D : View Answer. Chemical Engineering Basics Part 1 more Online Exam Quiz
Free download in PDF Photochemistry Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries. Go To Download Page Close. 1 The fact that the fluorescence wavelength is often much longer than the irradiation ...
A semiconductor that decreases resistance with an increase in temperature is known as a A. resistor B. thermistor C. diode
20210213· MCQ on Measurement of Temperature, Objective Questions and answer on Measurement of Temperature, Multiple Choice Questions on Measurement of Temperature, GATE Question on Measurement of Temperature, GATE MCQ on Measurement of Temperature . Objective Type Questions. 1. In pressure thermometers when mercury is used, the bulb and capillary should be …
b) Thermopile technology and doping c) Doping and routing technology d) Silicon semiconductor technology and thermopile technology. Answer: d. 43. _____ is a physical device that can be correlated to the number of photons detected. a) Photodiode b) LEDs c) CFLs d) CFCs. Answer: a. 44. Light sensitivity is known as spectral response. a) True b ...
Thermopile: A thermopile is an electronic device that converts thermal energy into electrical energy. It is an array of several thermocouples connected in series.; A thermopile with N thermocouples will output a voltage N times bigger than the one produced by a single …
Ans: c. 23. Which is not correct statement about selection of tube material for a Bourdon gauge: (a) Have high creep strength to withstand high temperature. (b) Be stable enough to maintain its calibration indefinitely. (c) Be immune to corrosion from the fluid inside the tube, and from the atmosphere outside it.
Thermopile: A thermopile is an electronic device that converts thermal energy into electrical energy. It is an array of several thermocouples connected in series. A thermopile with N thermocouples will output a voltage N times bigger than the one produced by a single …
Question: What is a thermopile? Options. A : single thermocouple. B : seriesparallel connection of thermocouples. C : parallel connection of thermocouples. D : series of thermocouples. Click to view Correct Answer. Previous || Next. Electrical Measurements Thermoelectric Transducer more questions . Viruses that infect plants have _____ Variola virus has _____ as genetic material. Which of the ...
20180215· Analytical Instrumentation MCQ ER. FARUK BIN POYEN, Asst. Professor DEPT. OF AEIE, UIT, BU, BURDWAN, WB, INDIA 2. 1. All bodies behave as source of _____ a) Electromagnetic radiation b) IR radiation c) Ultra violet radiation d) None of the mentioned Answer: a Explanation: All bodies behave as a source of electromagnetic radiation under excited …
Clarification: Thermopile is a collection of thermocouples, usually connected in series. It works on the principle of thermoelectric effect – generating a voltage when dissimilar metals are exposed to temperature difference. 7. What is the irradiation proportional to in thermopile technology?
a) Silicon semiconductor technology and routing technology b) Thermopile technology and doping c) Doping and routing technology d) Silicon semiconductor technology and thermopile technology. Answer: d. 43. __ is a physical device that can be correlated to the number of photons detected. a) Photodiode b) LEDs c) CFLs d) CFCs. Answer: a. 44 ...
(e) thermopile. Ans: d. 22. Thermal conductivity of air at room temperature in kcal/m hr °C is of the order of (a) (b) (c) (d) (e) Ans: b. 23. The time constant of a thermocouple is (a) the time taken to attain the final temperature to be measured
20210703· As MCQ Questions for Class 11 Physics pdf download can be really scoring for students, you should go through all problems provided below so that you are able to get more marks in your exams. Question. The instrument used to measure the temperature of the source from its thermal radiation is : (a) hydrometer (b) barometer (c) thermopile (d ...
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Study the Temperature Sensors Questions and Answers for your interview preparation. This article focus on Thermocouple and Pyrometer Questions.. Thermocouple and Pyrometer. 1. Define Seebeck effect? When a pair of dissimilar metalsis joined together, emf is induced at the junction of the metals, this effect is called seebeck effect.. 2.
(e) thermopile. Ans: d. 10. Thermal conductivity of air at room temperature in kcal/m hr °C is of the order of (a) (b) (c) (d) (e) Ans: b. 11. The time constant of a thermocouple is (a) the time taken to attain the final temperature to be measured (b) the time taken to attain 50% of the value of initial temperature ...
20200428· 3. Effect of feedback on the plant is to. a) Control system transient response. b) Reduce the sensitivity to plant parameter variations. c) Both (a) and (b) d) None of these. Ans: (c) 4. Transfer function of a system is defined as the ratio of output to input in.
Thermocouple is a electrical sensor device used to measure temperature. Junction is a point from which temperature is measures. After the difference of junction temperature will be produced. The Galvanometer is a measuring device used to measure in thermocouple.
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