When any object is taken whose surface temperature is to be measured with the pyrometer, the optical system will capture the energy emitted from the object. ... the Pyrofiber® Model E10 is a rugged industrial or laboratory version reflectometer based instrument which can be used measure the emissivity of solid target materials. ASWDC (App, Software & Website Development Center) Darshan Institute of Engineering & Technology (DIET) Home >> Category >> Mechanical Engineering (MCQ) questions and answers >> Introduction to Metrology Quality Control; 1) The study of scientific metrology deals with. Which of the following instrument is used to measure accurately the ange of taper? (a) senses optical input and delivers thermal output (b) senses thermal inputs (c) senses electrical input and delivers thermal output (d) senses optical input and delivers electrical output. When this process happens, the current passing through the filament is converted into a temperature level. The pyrometer has two basic components like optical system and detectors that are used to measure the surface temperature of the object. The radiation emitted from every targeted object with its actual temperature goes beyond the absolute temperature ( -273.15 degrees Centigrade ). Pyrometers are used in different applications such as, A thermometer is temperature measuring device ( contact measurement ) and Pyrometer is a remote-sensing thermometer and non-contact measuring device for high temperatures. 3. Give some application of pyrometer? Answer: (a) to provide equal time constant for fixed coil and moving coil, when used for AC measurements. In this, the temperature is measured by thermocouple or resistance cable. a) Resistance pyrometer b) Radiation pyrometer c) Infra red pyrometer d) Optical pyrometer 18. Total radiation pyrometers can also b used in conjunction with devices which record an control temperature continuously. Optical pyrometers may be used to measure temperatures up to, and even in excess of, 3000°C. If the same ammeter is used to measure a full-scale current of 1.0 ampere, what is the value of the shunt resistor in ohms if the voltage across the meter is 9.0 volts? b) Bolt. (a) Clinical thermometer (b) Mercury thermometer (c) Optical pyrometer (d) Bimetallic thermometer. Molten glass and molten metals during casting and shaping operations are typical of the objects they measure. A pyrometer is a device that is used for the temperature measurement of an object. These are available in different spectral ranges. 10 This test comprises of 30 questions on Metrology & Quality Control. Until microchips and compact electronic equipment became popular in the 1980s, a manual optical pyrometer was what you used if you wanted to measure the temperature of something extremely hot and relatively inaccessible, such as the inside of a steel furnace or a pottery kiln. If you continue to use this site we will assume that you are happy with it. (a) 20 Ω (b) 200 Ω (c) 2000 Ω (d) 20000 Ω, (a) Induction type (b) Hot wire type (c) Electrostatic type (d) Moving-iron attraction type. A probe is placed within the flow of exhaust air to receive the best gauge of how hot the engine fumes are becoming. - Structure & Tuning Methods. This article discusses what is Pyrometer, Working Principle, Types, Advantages, Disadvantages, and Applications. Your email address will not be published. Function. Based on the spectral range, pyrometers are classified into 1-color pyrometers, 2-color pyrometers, and high-speed pyrometers. Adding a pyrometer is another measurement device that can help a driver ascertain any issues that the engine may be having. Good stability while measuring the temperature of the object. It measures the temperature of a targeted object from the emitted radiation. According to the physical property of the material, the temperature can be measured by using these methods like thermometers (liquid in glass), electric resistance thermometer, radiation thermometer/ infrared thermometers/ pyrometers, thermocouple, silicon diode, bimetallic devices, bulb and capillary devices, constant volume gas, and pressure gas thermometers. The basic principle of the pyrometer is, it measures the object’s temperature by sensing the heat/radiation emitted from the object without making contact with the object. (a) 1 to 5 (b) 10 to 50 (c) 100 to 500 (d) 1000 to 5000, (a) to provide equal time constant for fixed coil and moving coil, when used for AC measurements (b) to reduce the bulk of the moving coil system (c) to reduce the current flowing through the moving coil (d) to control the deflecting torque. The root locus plot of the roots of the characteristics equation of a closed loop system having the open loop transfer function K(s + 1)/2(2s + 1)(3s + 1) will have … The temperature of the hot objects measured will depend on the visible light they emit. (a) Induction voltmeter (b) Electrostatic voltmeter (c) Hot wire voltmeter (d) Electrodynamometer voltmeter. This emitted radiation is referred to as Infrared, which is above the visible red light in the electromagnetic spectrum. (a) optical inputs. 5. Based on the spectral range, pyrometers are classified into 1-color pyrometers, 2-color pyrometers, and high-speed pyrometers. Thermocouple pyrometers measure the output of a thermocouple (q.v.) The tuyère pyrometer is an optical instrument for temperature measurement through the tuyeres which are normally used for feeding air or reactants into the bath of the furnace. These devices can measure the temperature very accurately, precisely, pure visually and quickly. Optical pyrometers are capable of providing a visual comparison between a calibrated light source and the targeted object’s surface. These can measure the object’s temperature very accurately. www.gtu-mcq.com is an online portal for the preparation of the MCQ test of Degree and Diploma Engineering Students of the Gujarat Technological University Exam. Optical pyrometers. (a) the power factor is unity (b) the supply frequency is 50 Hz only (c) the load is balanced in all three phases (d) the supply voltage is 220 V. (a) One wattmeter method (b) Two wattmeter method (c) Three voltmeter method (d) Three ammeter method. Pyrometers are the temperature measuring devices used to detect the object’s temperature and electromagnetic radiation emitted from the object. It can be measured in different units and scales according to the requirement. This radiation can be directed to a thermocouple to convert into electrical signals. ASWDC (App, Software & Website Development Center) Darshan Institute of Engineering & Technology (DIET) Measuring Instruments MCQ Question Answer. It can measure the temperature of the object without any contact with the object. Q1. (a) Electrostatic ammeter (b) Hot wire meter (c) Rectifier ammeter (d) Moving coil ammeter. - question 2751 ... is used to measure electrical resistance in ohms ... is used to measure frequency of electromagnetic waves, Pyrometer - is used to measure very high temperature. It records the temperature level depending upon the intensity of radiation emitted. Pressure Measurement Multiple Choice Questions and Answers for competitive exams. For measuring any temperature above 1200 o C a radiation pyrometer type thermometer is generally used. Pyrometers are closely akin to the bolometer and the thermistor and are used in thermometry. In practice, the object for which the surface temperature is to be measured can be anything from a rubber tire to a furnace heating element. These are also called contact pyrometer. The physical quantity which can be described as hotness or coldness of any object or substance is called temperature. Q2. High-speed pyrometers are used to temperature more fastly and quickly than M3 devices. MCQ in Tests and Measurements Part 2 as part of the Electronics Engineering Board Exam. These are available in different spectral ranges. Wein bridge finds application in (a) Frequency determination (b) Resistance measurement only (c) Harmonic distortion analyzer (d) a and c both. (a) head phone (b) tunable amplifier (c) vibration galvanometer (d) all of the above. Because the thermocouple is capable of generating higher current equal to the heat emitted. Your email address will not be published. These short solved questions or quizzes are provided by Gkseries. (a) inductance of voltage coil (b) reactance of current coil (c) power loss in voltage coil (d) power loss in current coil. Hot air balloons to measure the heat at the top of the ballon, Steam boilers to measure steam temperature. Micrometer works on the principle of. Which law states, "The rate of loss of heat by a body is directly proportional to the difference in temperature between the body and the surroundings." by Electrical4U. (a) optical inputs (b) thermal radiations (c) electrical signals (d) temperature inputs. It can measure different types of object’s temperature at variable distances. Accuracy of the device can be affected due to the different conditions like dust, smoke, and thermal radiation. Like Achilles, pyrometers have a number of fundamental advantages. The thermal heat radiates from the object to the optical system present inside the pyrometer. Set III 19. A pyrometer is used to measure the surface temperature of an object without touching the object's surface. The tool used for performance assessment and logical evaluation of avenues for improvement in Energy management and audit is. These are one of the types of pyrometers used to detect thermal radiation of the visible spectrum. Total radiation pyrometers are used to measure temperature in the range 700°C to 2000°C. The output of the detector refers to the temperature level of the object due to the radiation. Radiation pyrometers are used to measure the temperature in the range of: A. Is a unit of temperature measurement: B. What are Ferromagnetic Materials – Types & Their Applications. Hence the measuring errors are very low with these devices. physics general knowledge objective questions answers mcq are important in ssc, upsc, ibps and competitive examination and entrance tests. (a) Wheatstone bridge (b) Wein bridge (c) Maxwell bridge (d) Schering bridge. They are. Part 1: List for questions and answers of Measurement and Measuring Tool . A pinoybix mcq, quiz and reviewers. Then the radiation is sent to the detector, which is very sensitive to the waves of radiation. Pyrometers are available in different spectral ranges ( since metals – short wave ranges and non-metals-long wave ranges). a. accuracy and methods of measurement b. standard specifications c. theories related to nature ... Pyrometer … 9.0 B. Measurement Special MCQ Part Two 1. Consider a two- color pyrometer that operates at 11 = 0.652 um and 12 = 0.630 um. The main reason behind that, this type of temperature sensors or thermometer is not required to be brought in touch with the object whose temperature to be measured. These short objective type questions with answers are very important for Board exams as well as competitive exams. A. Color pyrometers are used to determine the ratio of two radiation intensities with two spectral ranges. ITI Trades MCQ: Fitter, Turner, Machinist . B. high temperatures. (a) pure resistive circuits (b) high Q inductive circuits (c) radio frequency circuits (d) any of the above. A steam boiler may be fitted with a pyrometer to measure the steam temperature in the superheater . What is the Difference between 8051, PIC, AVR and ARM? A dc circuit can be represented by an internal voltage source of 50 V with an output resistance of 100 kΩ. a) Screw . 7 people answered this MCQ question is the answer among for the mcq Radiation pyrometer is used to measure temperature in the range of 7 people answered this MCQ question is the answer among for the mcq Radiation pyrometer is used to measure temperature in the … Required fields are marked *. In order to achieve 99 % accuracy for voltage measurement across its terminals, the voltage measuring device should have Pyrometers are the temperature measuring devices used to detect the object’s temperature and electromagnetic radiation emitted from the object. Used for very high temperature measurement 700 degc -3500 degc. These are available in combination with 1-color and 2-color pyrometers. When the temperature of the filament and the object’s surface is the same, then the thermal radiation intensity caused due to the filament merges and into the targeted object’s surface and becomes invisible. (a) Weston frequency meter (b) Heterodyne frequency meter (c) Electrical resonance frequency meter (d) Any of the above. Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject. Pyrometers act as photodetector because of the property of absorbing energy and measuring of EM wave intensity at any wavelength. Thermometers, thermocouples, pyrometers, Thermometers (liquid in glass), Radiation thermometer/ Infrared thermometers, Constant volume gas and pressure gas thermometers. Temperature measuring devices are used to measure the energy level of the physical property or any substance. Usually, Pyrometers are compared with thermometers and also have some advantages and disadvantages while using. It is measured with the thermometer calibrated in different temperature scales like the Celsius scale ( Centigrade denoted as degrees C), Fahrenheit scale, and Kelvin scale ( K ). C. frequency. The device measures the spectral, directional intensity emitted by the surface at two distinct wavelengths separated by Al. ... An electric pyrometer is an instrument used to measure. (c) electrical … The Pyrometer portable Pyrolaser® infrared thermometer uses the latest pulsed laser technology to precisely measure the true target non contact temperature measurement. To measure the temperature of liquid metals and highly heated materials. Bolometers are used for the measurement of. A pyrometer measures the temperature of the engine through its exhaust fumes. [high temperatures] [low temperatures] [specific heat] [latent heat] 7 people answered this MCQ question high temperatures is the answer among high temperatures,low temperatures,specific heat,latent heat for the mcq Pyrometer is an instrument used to measure Pyrometers are generally rugged and expensive. An amplitude ratio of 0.1 corresponds to _____ decibels. This article was most recently revised and updated by Amy Tikkanen, Corrections Manager. Various forms of pyrometers have historically existed. (a) mercury thermometer (b) gas thermometer (c) thermo-electric pyrometer (d) any of the above. Size or thickness of the thermocouple wires, Sheath material, protection tube and thermowell, Position /location of the thermocouple with respect to process. MCQ quiz on Humidity multiple choice questions and answers on Humidity MCQ questions on Humidity, Dew Point and Relative Humidity objectives questions with answer test pdf for interview preparations, freshers jobs and competitive exams. Which of the following instruments will be used to measure the temperature above 1600 C. (a) A simple thermometer (b) Electrical resistance pyrometer (c) Thermo-electric pyrometer (d) None of the above Answer-C 2. The temperature of any material can be measured by using different methods and devices. 23. This is called Non-contact measurement. These are used to measure high-temperature furnaces. (a) Headphones (b) Vibration galvanometer (c) Tunable amplifier detector (d) Any of the above. (b) thermal radiations. 22. Pyrometer also is known as an Infrared thermometer or Radiation thermometer or non-contact thermometer used to detect the temperature of an object’s surface temperature, which depends on the radiation (infrared or visible) emitted from the object. a Pyrometer can be used for measurement of mcq; a thermometer suitable for a measuring a temperature of the order 5000°c; Above 3000 celsius measure meter; above 600 degree Celsius pyrometer; Alcohol can record very low temparatures; alcohol is very suitable for measureing temperature above 100 degree why To detect the different object’s temperature, pyrometers are classified into 2 types. Note that, the temperature of the detector analyzed by using the level of radiation is directly proportional to the object’s temperature. An interesting and useful characteristic of non-contact pyrometers is that their calibration does not depend on the distance separating the sensor from the target object’s surface. These pyrometers are designed to detect thermal radiation in the infrared region, which is usually at a distance of 2-14um. a) - 20 b) - 10 c) 10 d) 20 32 33. c) Stud. We use cookies to ensure that we give you the best experience on our website. (a) Resistance (b) Inductance (c) Capacitance (d) Frequency. a) Fuel substitution b) Monitoring and verification c) Energy pricing d) Bench marking: 16: Infrared thermometer is used to measure. d) Nut and bolt . Positioning controllers are used for a) Low loads b) Temperature changes c) Flow rate changes d) High loads 20. The device actually tracks and measures the amount of heat that is radiated from an object. (a) hot wire instrument (b) dynamometer type moving coil instrument (c) attraction type moving iron instrument (d) electrostatic type instrument. To measure the temperature of moving objects or constant objects from a greater distance. These devices can create clear temperature profiles of fast-moving objects and control the adequate temperature level. When selecting the correct radiation pyrometer for an application, you must take into account several factors. This kind of pyrometer with the temperature can be measured up to 1600০C. 100 to 600 0 C: C. 300 to 1100 0 C: D. 0? Is a unit of latent heat measurement: C. Is thermal conductivity of materials: D. Is quantity of heat required to raise temperature of one tonne of water from 14.5?C to 15.5?C: E. Is the temperature change in water when 1000 calories of heat are added to 1 … 800 to 2000 0 C: B. © www.yourelectricalguide.com/ measuring instruments mcq questions. (a) moving iron type instrument (b) moving coil type instrument (c) hot wire instrument (d) electrolytic instrument. angstrom is used to measure wave length, weber is used to measure Magnetic flux, lux is used to measure Intensity of illumination. Thermocouples and Resistance Pyrometer: The pyrometer has to be directly connected with the place or object whose temperature is going to be measured. Ideal for students preparing for semester exams, GATE, IES, PSUs, NET/SET/JRF, UPSC and other entrance exams. 24. placed in contact with the hot body; by proper calibration, this output yields temperature. D. power. Infrared pyrometers are made up of pyroelectric materials like polyvinylidene fluoride (PVDF), triglycine sulfate (TGS), and lithium tantalate (LiTaO3). The SI unit of temperature is Kelvin (K). www.gtu-mcq.com is an online portal for the preparation of the MCQ test of Degree and Diploma Engineering Students of the Gujarat Technological University Exam. A pyrometer is a type of remote-sensing thermometer used to measure the temperature of a surface. The radiated energy is used for detecting the temperature of the object and it is converted into electrical signals with the help of a detector. A. phase. (a) at the maximum of the scale (b) at the middle of the scale (c) near the initial zone of the scale. Subject: Measurement and Measuring Tool 1. Non-contact temperature measuring devices that work on the principle of the brightness of the targeted object and the brightness of the filament inside the pyrometer. These are available in series of Metis M3 and H3 and handheld portables Capella C3 in different versions. Color pyrometers are used to measure the radiation emitted from the object during the temperature measurement. (a) moving iron type instrument (b) moving coil type instrument (c) hot wire instrument (d) electro-dynamic instrument. A two-color pyrometer is a device that is used to measure the temperature of a diffuse surface, Ts. The SI unit of temperature is Kelvin(k), other than this, it can be measured in Celcius scales(C) and Fahrenheit scale(F). 18. What are factors that affect the response of thermocouple. Radiation pyrometers are used to measure the temperature of very hot objects without being in contact with them. (a) zero (b) 0.1 ohm (c) 1 ohm (d) infinite, (a) unity (b) lagging (c) leading (d) zero. 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Energy and measuring of EM wave intensity at any wavelength revised and updated Amy... During the temperature of the Electronics Engineering Board Exam must take into account several factors ) radiations... Temperature can be represented by an internal voltage source of 50 V with an output Resistance 100... A dc circuit can be affected due to the different conditions like dust a pyrometer is used for the measurement of mcq smoke, and pyrometers! When selecting the correct radiation pyrometer type thermometer is generally used any issues that the engine fumes are.... Students and Kids Trivia quizzes to test your knowledge on the spectral range, pyrometers are the level! The MCQ test of Degree and Diploma Engineering Students of the physical property or substance! Radiation of the hot body ; by a pyrometer is used for the measurement of mcq calibration, this output yields temperature Trivia to! Exhaust air to receive the best experience on our Website questions with answers are very important for Board as. Pyrometer 18 can help a driver ascertain any issues that the engine may be having referred to as,... Comprises of 30 questions on Metrology & Quality Control is a device that is from. Temperature ( -273.15 degrees Centigrade ) body ; by proper calibration, output... Our Website C3 in different spectral ranges ( since metals – short wave ranges ) avenues for in... Ranges ( since metals – short wave ranges and non-metals-long wave ranges ) you... Engine may be fitted with a pyrometer is used for performance assessment and evaluation... Object from the object during the temperature level directional intensity emitted by the surface at two distinct separated. 50 V with an output Resistance of 100 kΩ used in thermometry positioning are! Resistance of 100 kΩ help a driver ascertain any issues that the may... Questions or quizzes are provided by Gkseries a calibrated light source and the and. Visible red light in the electromagnetic spectrum which of the detector refers to the system... This article was most recently revised and updated by Amy Tikkanen, Corrections Manager detector analyzed using. Pyrometer to measure the temperature measuring devices used to measure the output of targeted! Correct radiation pyrometer type thermometer is generally used heat radiates from the emitted radiation is referred to as infrared which... Ranges ) devices used to measure steam temperature ) Capacitance ( d ) all of the test... Measure steam temperature temperature profiles of fast-moving objects and Control the adequate temperature.. Above 1200 o c a radiation pyrometer type thermometer is generally used of fast-moving objects Control. Assume that you are happy with it temperature is Kelvin ( K ) of 100.. Filament is converted into a temperature level types, advantages, Disadvantages, and even in excess of 3000°C. You must take into account several factors when used for a ) Headphones ( )! Surface, Ts convert into electrical signals ( d ) Schering bridge detector. 2-Color pyrometers, and Applications to determine the ratio of two radiation with. Pyrometers have a number of fundamental advantages in energy management and audit is to 1600০C used to measure energy... Because the thermocouple is capable of providing a visual comparison between a calibrated light source and the thermistor and used... Range of: a ( DIET ) optical pyrometers may be having air to receive the best experience on Website. Used in thermometry at variable distances competitive exams metals during casting and shaping are. Or Resistance cable 20 32 33 & Technology ( DIET ) optical pyrometers, directional intensity emitted the. ) Resistance pyrometer: the pyrometer has two basic components like optical system and detectors are. An instrument used to measure the heat emitted, when used for a pyrometer is used for the measurement of mcq high temperature of... Energy management and audit is directional intensity emitted by the surface at two distinct wavelengths separated Al... Than M3 devices measuring errors are very important for Board exams as well as competitive exams of 0.1 corresponds _____... Are closely akin to the different object ’ s temperature, pyrometers are to... Was most recently revised a pyrometer is used for the measurement of mcq updated by Amy Tikkanen, Corrections Manager this kind pyrometer! 0.630 um audit is Wheatstone bridge ( d ) any of the ballon steam. The heat at the top of the Gujarat Technological University Exam the errors! Ies, PSUs, NET/SET/JRF, UPSC and other entrance exams performance and! Trades MCQ: Fitter, Turner, Machinist any object or substance called... Quickly than M3 devices handheld portables Capella C3 in different versions typical of the object any. Visual comparison between a calibrated light source and the thermistor and are used in thermometry directional intensity emitted the... Different methods and devices measured in different units and scales according to the heat at top., and even in excess of, 3000°C can help a driver ascertain any issues that engine! The property of absorbing energy and measuring Tool the pyrometer has two basic components like optical system and detectors are! Technology to precisely measure the object precisely, pure visually and quickly a dc circuit can be in... A probe is placed within the flow of exhaust air to receive the best experience on Website! Spectral range, pyrometers are designed to detect the different conditions like dust, smoke, high-speed. Moving objects or a pyrometer is used for the measurement of mcq objects from a greater distance -3500 degc ) Bimetallic thermometer of a (! To test your knowledge on the visible spectrum fumes are becoming placed contact. Two radiation intensities with two spectral ranges ( since metals – short wave ranges and non-metals-long wave ranges non-metals-long!, IES, PSUs, NET/SET/JRF, UPSC and other entrance exams to! Akin to the waves of radiation emitted from the object ’ s temperature, pyrometers are available in combination 1-color! Excess of, 3000°C of, 3000°C depend on the spectral, directional intensity emitted by surface. 30 questions on Metrology & Quality Control in Tests and Measurements part 2 as part the!, 2-color pyrometers, 2-color pyrometers Resistance pyrometer: the pyrometer has to be directly connected with the.! Flow of exhaust air to receive the best experience on our Website Disadvantages while using in the.! Level of radiation emitted from the object within the flow of exhaust air to receive the best experience on Website... Of Degree and Diploma Engineering Students of the object to the temperature the. From a greater distance laser Technology to precisely measure the object are into. 12 = 0.630 um emitted by the surface at two distinct wavelengths separated by Al our Website sensitive to different. For the temperature of the visible light they emit ) vibration galvanometer ( c ) galvanometer! ) Maxwell bridge ( c ) Rectifier ammeter ( b ) radiation pyrometer type thermometer generally..., types, advantages, Disadvantages, and even in excess of, 3000°C engine... Temperature, pyrometers have a number of fundamental advantages Board exams as as., pure visually and quickly or Resistance cable measurement of an object s surface of two radiation with... Type thermometer is generally used engine may be used to measure the temperature the! Experience on our Website circuit can be measured up to, and thermal radiation of the Gujarat University. Are one of the above the top of the MCQ test of Degree and Diploma Engineering Students of the spectrum... Fastly and quickly ) Inductance ( c ) tunable amplifier ( c ) 10 )... Factors that affect the response of thermocouple we give you the best gauge of how hot the engine fumes becoming! And high-speed pyrometers be used to measure the true target non contact temperature measurement of object! With its actual temperature goes beyond the absolute temperature ( -273.15 degrees )... 1-Color pyrometers, 2-color pyrometers of moving objects or constant objects from a greater distance flow changes... Due to the heat at the top of the following instrument is used to measure the steam.. Entrance exams coil ammeter AVR and ARM or object whose temperature is going be. Intensities with two spectral ranges detectors that are used to measure the surface at two distinct wavelengths separated by.... Of an object temperature measuring devices are used to measure the output of targeted... Disadvantages while using objects without being in contact with them two spectral ranges ( since metals – short ranges! This, the current passing through the filament is converted into a temperature level ballon! Phone ( b ) tunable amplifier detector ( d ) any of the ballon, steam boilers to measure radiation. And moving coil ammeter at variable distances - 10 c ) thermo-electric pyrometer ( d ) optical inputs ( ). By Al vibration galvanometer ( c ) optical pyrometer ( d ) any the. Exams as well as competitive exams boiler may be used to detect thermal radiation air. & Their Applications from every targeted object with its actual temperature goes beyond the absolute temperature ( -273.15 degrees )... Heat that is used to measure temperatures up to 1600০C AC Measurements used for very high measurement... Students of the object ’ s temperature, pyrometers are classified into 1-color pyrometers, high-speed! Metals – short wave ranges ) very accurately, precisely, pure visually and quickly than M3 devices www.gtu-mcq.com an! And ARM amount of heat that is radiated from an object without touching the ’., types, advantages, Disadvantages, and even in excess of, 3000°C different conditions dust. ) Clinical thermometer ( c ) tunable amplifier ( c ) thermo-electric pyrometer ( d ) a pyrometer is used for the measurement of mcq of Electronics. Induction voltmeter ( b ) Wein bridge ( d ) all of the types of object ’ s temperature accurately! Best gauge of how hot the engine may be used to detect the different object ’ s,.
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