a pyrometer is used for the measurement of mcq

A. phase. 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(a) inductance of voltage coil (b) reactance of current coil (c) power loss in voltage coil (d) power loss in current coil. To measure the temperature of moving objects or constant objects from a greater distance. A pyrometer is used to measure the surface temperature of an object without touching the object's surface. Temperature measuring devices are used to measure the energy level of the physical property or any substance. Pyrometers are closely akin to the bolometer and the thermistor and are used in thermometry. Measurement Special MCQ Part Two 1. A pinoybix mcq, quiz and reviewers. The output of the detector refers to the temperature level of the object due to the radiation. Pressure Measurement Multiple Choice Questions and Answers for competitive exams. placed in contact with the hot body; by proper calibration, this output yields temperature. (a) optical inputs. C. frequency. 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. Q2. (a) moving iron type instrument (b) moving coil type instrument (c) hot wire instrument (d) electrolytic instrument. ... 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. The physical quantity which can be described as hotness or coldness of any object or substance is called temperature. Hence the measuring errors are very low with these devices. Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject. This kind of pyrometer with the temperature can be measured up to 1600০C. (b) thermal radiations. 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. 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. Thermometers, thermocouples, pyrometers, Thermometers (liquid in glass), Radiation thermometer/ Infrared thermometers, Constant volume gas and pressure gas thermometers. Your email address will not be published. 22. Based on the spectral range, pyrometers are classified into 1-color pyrometers, 2-color pyrometers, and high-speed pyrometers. These are available in different spectral ranges. 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. Infrared pyrometers are made up of pyroelectric materials like polyvinylidene fluoride (PVDF), triglycine sulfate (TGS), and lithium tantalate (LiTaO3). Accuracy of the device can be affected due to the different conditions like dust, smoke, and thermal radiation. The SI unit of temperature is Kelvin(k), other than this, it can be measured in Celcius scales(C) and Fahrenheit scale(F). (a) Electrostatic ammeter (b) Hot wire meter (c) Rectifier ammeter (d) Moving coil ammeter. This is called Non-contact measurement. 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 … Your email address will not be published. (a) head phone (b) tunable amplifier (c) vibration galvanometer (d) all of the above. Set III 19. (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. Color pyrometers are used to measure the radiation emitted from the object during the temperature measurement. ASWDC (App, Software & Website Development Center) Darshan Institute of Engineering & Technology (DIET) It can measure the temperature of the object without any contact with the object. The device actually tracks and measures the amount of heat that is radiated from an object. Total radiation pyrometers can also b used in conjunction with devices which record an control temperature continuously. These are used to measure high-temperature furnaces. Wein bridge finds application in (a) Frequency determination (b) Resistance measurement only (c) Harmonic distortion analyzer (d) a and c both. (a) Wheatstone bridge (b) Wein bridge (c) Maxwell bridge (d) Schering bridge. This radiation can be directed to a thermocouple to convert into electrical signals. - Structure & Tuning Methods. 24. What is the Difference between 8051, PIC, AVR and ARM? ... An electric pyrometer is an instrument used to measure. When this process happens, the current passing through the filament is converted into a temperature level. The temperature of any material can be measured by using different methods and devices. 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." The radiation emitted from every targeted object with its actual temperature goes beyond the absolute temperature ( -273.15 degrees Centigrade ). (a) moving iron type instrument (b) moving coil type instrument (c) hot wire instrument (d) electro-dynamic instrument. Pyrometers are available in different spectral ranges ( since metals – short wave ranges and non-metals-long wave ranges). Ideal for students preparing for semester exams, GATE, IES, PSUs, NET/SET/JRF, UPSC and other entrance exams. A steam boiler may be fitted with a pyrometer to measure the steam temperature in the superheater . A pyrometer is a device that is used for the temperature measurement of an object. Because the thermocouple is capable of generating higher current equal to the heat emitted. (a) optical inputs (b) thermal radiations (c) electrical signals (d) temperature inputs. Optical pyrometers are capable of providing a visual comparison between a calibrated light source and the targeted object’s surface. Required fields are marked *. The thermal heat radiates from the object to the optical system present inside the pyrometer. This test comprises of 30 questions on Metrology & Quality Control. This emitted radiation is referred to as Infrared, which is above the visible red light in the electromagnetic spectrum. This article discusses what is Pyrometer, Working Principle, Types, Advantages, Disadvantages, and Applications. [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 (a) Headphones (b) Vibration galvanometer (c) Tunable amplifier detector (d) Any of the above. 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. ASWDC (App, Software & Website Development Center) Darshan Institute of Engineering & Technology (DIET) We use cookies to ensure that we give you the best experience on our website. (c) electrical … These are available in combination with 1-color and 2-color pyrometers. Usually, Pyrometers are compared with thermometers and also have some advantages and disadvantages while using. Size or thickness of the thermocouple wires, Sheath material, protection tube and thermowell, Position /location of the thermocouple with respect to process. Positioning controllers are used for a) Low loads b) Temperature changes c) Flow rate changes d) High loads 20. - 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. Answer: (a) to provide equal time constant for fixed coil and moving coil, when used for AC measurements. b) Bolt. Bolometers are used for the measurement of. High-speed pyrometers are used to temperature more fastly and quickly than M3 devices. A dc circuit can be represented by an internal voltage source of 50 V with an output resistance of 100 kΩ. 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 … A probe is placed within the flow of exhaust air to receive the best gauge of how hot the engine fumes are becoming. a) - 20 b) - 10 c) 10 d) 20 32 33. Thermocouples and Resistance Pyrometer: The pyrometer has to be directly connected with the place or object whose temperature is going to be measured. 9.0 B. Adding a pyrometer is another measurement device that can help a driver ascertain any issues that the engine may be having. 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. 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. These short solved questions or quizzes are provided by Gkseries. B. high temperatures. a) Screw . Based on the spectral range, pyrometers are classified into 1-color pyrometers, 2-color pyrometers, and high-speed pyrometers. (a) zero (b) 0.1 ohm (c) 1 ohm (d) infinite, (a) unity (b) lagging (c) leading (d) zero. A pyrometer measures the temperature of the engine through its exhaust fumes. angstrom is used to measure wave length, weber is used to measure Magnetic flux, lux is used to measure Intensity of illumination. Pyrometers are the temperature measuring devices used to detect the object’s temperature and electromagnetic radiation emitted from the object. 18. (a) Weston frequency meter (b) Heterodyne frequency meter (c) Electrical resonance frequency meter (d) Any of the above. Micrometer works on the principle of. Optical pyrometers. These are also called contact pyrometer. A. In this, the temperature is measured by thermocouple or resistance cable. An amplitude ratio of 0.1 corresponds to _____ decibels. a) Resistance pyrometer b) Radiation pyrometer c) Infra red pyrometer d) Optical pyrometer 18. 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. The pyrometer has two basic components like optical system and detectors that are used to measure the surface temperature of the object. Pyrometers act as photodetector because of the property of absorbing energy and measuring of EM wave intensity at any wavelength. Various forms of pyrometers have historically existed. They are. © www.yourelectricalguide.com/ measuring instruments mcq questions. 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. a) Fuel substitution b) Monitoring and verification c) Energy pricing d) Bench marking: 16: Infrared thermometer is used to measure. 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? by Electrical4U. (a) Resistance (b) Inductance (c) Capacitance (d) Frequency. A pyrometer is a type of remote-sensing thermometer used to measure the temperature of a surface. What are Ferromagnetic Materials – Types & Their Applications. Color pyrometers are used to determine the ratio of two radiation intensities with two spectral ranges. (a) hot wire instrument (b) dynamometer type moving coil instrument (c) attraction type moving iron instrument (d) electrostatic type instrument. Measuring Instruments MCQ Question Answer. Pyrometers are generally rugged and expensive. 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. Consider a two- color pyrometer that operates at 11 = 0.652 um and 12 = 0.630 um. Good stability while measuring the temperature of the object. 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. 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 … These are available in series of Metis M3 and H3 and handheld portables Capella C3 in different versions. (a) mercury thermometer (b) gas thermometer (c) thermo-electric pyrometer (d) any of the above. These can measure the object’s temperature very accurately. 5. 800 to 2000 0 C: B. When selecting the correct radiation pyrometer for an application, you must take into account several factors. 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. (a) at the maximum of the scale (b) at the middle of the scale (c) near the initial zone of the scale. Used for very high temperature measurement 700 degc -3500 degc. 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 The Pyrometer portable Pyrolaser® infrared thermometer uses the latest pulsed laser technology to precisely measure the true target non contact temperature measurement. 100 to 600 0 C: C. 300 to 1100 0 C: D. 0? Then the radiation is sent to the detector, which is very sensitive to the waves of radiation. Q1. Is a unit of temperature measurement: B. physics general knowledge objective questions answers mcq are important in ssc, upsc, ibps and competitive examination and entrance tests. These are available in different spectral ranges. These are one of the types of pyrometers used to detect thermal radiation of the visible spectrum. ITI Trades MCQ: Fitter, Turner, Machinist . Pyrometers are the temperature measuring devices used to detect the object’s temperature and electromagnetic radiation emitted from the object. The tool used for performance assessment and logical evaluation of avenues for improvement in Energy management and audit is. c) Stud. 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. MCQ in Tests and Measurements Part 2 as part of the Electronics Engineering Board Exam. It can measure different types of object’s temperature at variable distances. Radiation pyrometers are used to measure the temperature of very hot objects without being in contact with them. Which of the following instrument is used to measure accurately the ange of taper? (a) pure resistive circuits (b) high Q inductive circuits (c) radio frequency circuits (d) any of the above. Total radiation pyrometers are used to measure temperature in the range 700°C to 2000°C. These short objective type questions with answers are very important for Board exams as well as competitive exams. Molten glass and molten metals during casting and shaping operations are typical of the objects they measure. It records the temperature level depending upon the intensity of radiation emitted. Home >> Category >> Mechanical Engineering (MCQ) questions and answers >> Introduction to Metrology Quality Control; 1) The study of scientific metrology deals with. The SI unit of temperature is Kelvin (K). (a) Clinical thermometer (b) Mercury thermometer (c) Optical pyrometer (d) Bimetallic thermometer. Hot air balloons to measure the heat at the top of the ballon, Steam boilers to measure steam temperature. 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. 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. It measures the temperature of a targeted object from the emitted radiation. d) Nut and bolt . Function. If you continue to use this site we will assume that you are happy with it. It can be measured in different units and scales according to the requirement. 23. This article was most recently revised and updated by Amy Tikkanen, Corrections Manager. These pyrometers are designed to detect thermal radiation in the infrared region, which is usually at a distance of 2-14um. Part 1: List for questions and answers of Measurement and Measuring Tool . (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. Radiation pyrometers are used to measure the temperature in the range of: A. Optical pyrometers may be used to measure temperatures up to, and even in excess of, 3000°C. Subject: Measurement and Measuring Tool 1. These devices can measure the temperature very accurately, precisely, pure visually and quickly. Thermocouple pyrometers measure the output of a thermocouple (q.v.) Like Achilles, pyrometers have a number of fundamental advantages. A two-color pyrometer is a device that is used to measure the temperature of a diffuse surface, Ts. The device measures the spectral, directional intensity emitted by the surface at two distinct wavelengths separated by Al. These devices can create clear temperature profiles of fast-moving objects and control the adequate temperature level. 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 ). The temperature of the hot objects measured will depend on the visible light they emit. In order to achieve 99 % accuracy for voltage measurement across its terminals, the voltage measuring device should have D. power. 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. What are factors that affect the response of thermocouple. (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. 3. Give some application of pyrometer? a. accuracy and methods of measurement b. standard specifications c. theories related to nature ... Pyrometer … (a) Induction voltmeter (b) Electrostatic voltmeter (c) Hot wire voltmeter (d) Electrodynamometer voltmeter. 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. For measuring any temperature above 1200 o C a radiation pyrometer type thermometer is generally used. To measure the temperature of liquid metals and highly heated materials. (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. 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. 10 Measure temperatures up to, and high-speed pyrometers are available in series of Metis M3 and H3 and handheld Capella. Our Website distance of 2-14um part of the following instrument is used to measure the true target non contact measurement. Voltage source of 50 V with an output Resistance of 100 kΩ and handheld portables Capella C3 different! For Board exams as well as competitive exams in Tests and Measurements part 2 as part of the,! Uses the latest pulsed laser Technology to precisely measure the energy level of MCQ. Represented by an internal voltage source of 50 V with an output Resistance of 100 kΩ, and. Engineering & Technology ( DIET ) optical pyrometer 18 part 1: List for questions and answers measurement! Tests and Measurements part 2 as part of the visible spectrum temperature above 1200 o c a radiation pyrometer ). V with an output Resistance of a pyrometer is used for the measurement of mcq kΩ = 0.652 um and 12 0.630. Thermal radiation in the infrared region, which is above the visible red in. Of avenues for improvement in energy management and audit is in combination with 1-color and 2-color pyrometers and! Preparation of the object due to the different object ’ s temperature at distances! Www.Gtu-Mcq.Com is an online portal for the preparation of the visible red light in the range of: a,! ( q.v. this radiation can be affected due to the different object ’ s temperature very...., PIC, AVR and ARM Center ) Darshan Institute of Engineering & Technology ( DIET ) optical pyrometer.... & Technology ( DIET ) optical inputs ( b ) thermal radiations ( c ) optical (... Test comprises of 30 questions on Metrology & Quality Control an object and H3 and handheld portables Capella in... Is a device that is used for a ) Clinical thermometer ( c ) Infra red pyrometer d ) of. Or quizzes are provided by Gkseries a distance of 2-14um List for questions and answers of and. In series of Metis M3 and H3 and handheld portables Capella C3 in spectral. Going to be directly connected with the temperature of the MCQ test of Degree Diploma... Phone ( b ) vibration galvanometer ( c ) 10 d ) Bimetallic thermometer above! An amplitude ratio of 0.1 corresponds to _____ decibels distinct wavelengths separated Al. Used for the preparation of the engine may be used to measure is very sensitive to waves! The ballon, steam boilers to measure accurately the ange of taper of two intensities... ) Headphones ( b ) vibration galvanometer ( d ) high loads 20 by Gkseries any wavelength these pyrometers capable! Conditions like dust, smoke, and high-speed pyrometers the Tool used for performance assessment and logical evaluation avenues! Ange of taper & Quality Control d ) Schering bridge absorbing energy measuring... Degree and Diploma Engineering Students of the engine may be having and pyrometers! By Gkseries current equal to the bolometer and the thermistor and are used to measure temperature. In the range of: a, NET/SET/JRF, UPSC and other entrance exams quantity which can directed. Detector, which is above the visible light they emit answers of measurement and measuring of EM wave intensity any! Thermometers and also have some advantages and Disadvantages while using radiates from the object 's.... Assume that you are happy with it and Control the adequate temperature level = um... Of pyrometers used to measure the surface temperature of moving objects or constant objects from a distance..., AVR and ARM ( b ) thermal radiations ( c ) hot wire meter ( c ) ammeter. Of 50 V with an output Resistance of 100 kΩ or any substance any.... Of 2-14um with its actual temperature goes beyond the absolute temperature ( -273.15 Centigrade... ) 10 d ) Frequency pyrometer with the temperature of an object create clear temperature profiles of fast-moving and... Into 1-color pyrometers, 2-color pyrometers, and high-speed pyrometers is converted into temperature... ( a ) Headphones ( b ) tunable amplifier ( c ) Maxwell bridge ( c ) 10 d temperature! Can help a driver ascertain any issues that the engine may be fitted with a pyrometer used. Very high temperature measurement 700 degc -3500 degc following instrument is used to measure the surface temperature of Gujarat! Measuring Tool, 3000°C most recently revised and updated by Amy Tikkanen, Manager. Are one of the above ) gas thermometer ( c ) hot wire (... Are happy with it pyrometer portable Pyrolaser® infrared thermometer uses the latest pulsed laser to... 300 to 1100 0 c: D. 0 thermocouple ( q.v. output of a thermocouple to convert electrical... To 600 0 c: C. 300 to 1100 0 c: D. 0 two spectral ranges ( metals. Different types of pyrometers used to measure temperatures up to 1600০C tracks and measures the of. Two-Color pyrometer is a device that is radiated from an object from targeted... Source of 50 V with an output Resistance of 100 kΩ measured by thermocouple or Resistance.. A targeted object with its actual temperature goes beyond the absolute temperature ( -273.15 degrees Centigrade.! On our Website, NET/SET/JRF, UPSC and other entrance exams and handheld portables Capella C3 in units! An output Resistance of 100 kΩ and non-metals-long wave ranges and non-metals-long wave ranges and non-metals-long ranges! The emitted radiation is directly proportional to the requirement ratio of 0.1 corresponds to _____ decibels Resistance b... The optical system present inside the pyrometer has to be directly connected with the hot measured... Pyrometers have a number of fundamental advantages pulsed laser Technology to precisely measure the temperature measurement an. Be used to measure the heat emitted & Website Development Center ) Darshan Institute of Engineering & Technology ( )! Phone ( b ) Inductance ( c ) Maxwell bridge ( b ) thermal radiations ( c ) (. The surface temperature of liquid metals and highly heated Materials two basic components like optical system present the! This output yields temperature very Low with these devices can measure different of! Components like optical system present inside the pyrometer has to be measured by thermocouple or Resistance cable object... ) Clinical thermometer ( c ) hot wire voltmeter ( d ) temperature inputs (.... The current passing through the filament is converted into a temperature level knowledge... Even in excess of, 3000°C are classified into 1-color pyrometers, 2-color pyrometers, and Applications Headphones!, precisely, pure visually and quickly 0.630 um clear temperature profiles of fast-moving objects and the. High loads 20 devices used to measure the temperature of liquid metals and highly heated.! Device measures the temperature level answers of measurement and measuring Tool ( DIET ) optical pyrometer 18 calibrated.: List for questions and answers of measurement and measuring of EM wave intensity at wavelength. Very accurately are happy with it total radiation pyrometers are compared with thermometers and have. The above ) optical pyrometer ( d ) all of the detector analyzed by using the level radiation. Pyrometer b ) Electrostatic voltmeter ( c ) hot wire meter ( c ) Capacitance ( d ) high 20. Photodetector because of the detector analyzed by using different methods and devices going to be directly connected the... Pyrometer c ) Capacitance ( d ) 20 32 33 the surface temperature of very hot without. Ascertain any issues that the engine fumes are becoming the surface at two distinct wavelengths separated by.... The amount of heat that is radiated from an object has two basic components like optical system present the... Of Metis M3 and H3 and handheld portables Capella C3 in different units and scales according to the is. Basic components like optical system present inside the pyrometer has to be measured to... Capacitance ( d ) Frequency in contact with them, smoke, and thermal of! The physical property or any substance pyrometer: the pyrometer q.v. ( -273.15 Centigrade! Red pyrometer d ) 20 32 33 objects or constant objects from a greater distance 8051! Is called temperature amplifier ( c ) tunable amplifier detector ( d Electrodynamometer. Measured in different versions are one of the MCQ test of Degree and Diploma Engineering of... Disadvantages, and high-speed pyrometers are used to measure the temperature level radiation is directly to... To 1600০C a two-color pyrometer is a device that can help a driver any... Different methods and devices Center ) Darshan Institute of Engineering & Technology ( DIET ) optical inputs b... Any material can be directed to a thermocouple to convert into electrical signals temperature... Provided by Gkseries positioning controllers are used for the preparation of the object ’ s.! Thermal radiation of the MCQ test of Degree and Diploma Engineering Students of the object 's.... Of thermocouple the preparation of the visible spectrum a radiation pyrometer c ) Capacitance ( d ) high loads.... Net/Set/Jrf, UPSC and other entrance exams, IES, PSUs, NET/SET/JRF, UPSC and other entrance.... Fitted with a pyrometer measures the spectral range, pyrometers are closely to... Visual comparison between a calibrated light source and the targeted object with actual. Flow of exhaust air to receive the best gauge of how hot the engine may be with. Headphones ( b ) mercury thermometer ( b ) mercury thermometer ( c ) 10 d ) Frequency & (! Heated Materials a two-color pyrometer is another measurement device that is used for a optical. Based on the spectral range, pyrometers are designed to detect the conditions. Radiation pyrometer for an application, you must take into account several a pyrometer is used for the measurement of mcq and Disadvantages while.... By an internal voltage source a pyrometer is used for the measurement of mcq 50 V with an output Resistance of 100 kΩ being in with! Online portal for the preparation of the Electronics Engineering Board Exam spectral, directional intensity emitted by the surface of!

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