Which instrument is used to measure strength of direct current ? Power Systems - Electrical Power Generation. ANSWER: c. Both direct and diffused radiations. The radiation which penetrates to the Earth's surface is termed direct solar radi… Solar radiation instruments may be produced to measure different types of solar energy. c) Solar altitude In Flame emission photometers, the measurement of _____ is used for qualitative analysis. A radiation thermom-eter can measure the temperature of an object without physical contact. A radiation detection instrument used in particle physics to detect the presence of ionizing particles, and in radiation protection applications to measure ionizing radiation is called Gaseous ionization detectors. © Copyright 2016. Solar Instrumentation Calibrations and Measurements . 1. b) Solar azimuth angle The radiation which penetrates to the Earth's surface is termed direct solar radiation. Join our social networks below and stay updated with latest contests, videos, internships and jobs! The amount of solar radiation on the earth surface can be instrumentally measured, and precise measurements are important for providing background solar data for solar energy conversion applications. The solarimeter measures routine global solar radiation on a plane or level surface. Geiger-style radiation detectors used as part of permanently-installed level measurement systems are housed in rugged housings, internally similar to the portable G-M tube shown in the photograph but designed for the rigors of continuous use in harsh industrial environments. So, you would need different instruments for measuring solar radiation in different regions of the electromagnetic spectrum. Solar Radiation Measurements: A Workshop For The National Association of State Universities and Land Grant Colleges By ... • The work we do to improve solar measurements –Calibration – Instrument characterization – Measurement techniques (operations and maintenance, radiometer selection, installation considerations, etc.) a) 20.34o What is the angle of declination on 60th day of the leap year? The amount of solar radiation itself depends on the way the system is made. However Weather Underground can accept more data to analyze weather statistics. The sensing element is coated with a highly stable carbon based non organic coating, which delivers excellent spectral absorption and long-term stability characteristics. View Answer, 2. d) -10.52o, November 1 a) Pyranometer Pyranometer 2. Identifying the instruments used for measuring solar radiation. View Answer, 10. 5. a) Surface azimuth angle The following section consists of Chemistry Multiple Choice questions on Process Control and Instrumentation. The thermocouple is used to detect the pilot flame in the appliances that used to … 4. The name Pyranometer stems from Greek, "pyr" meaning "fire & "ano" meaning up above". 2012 Jim Dunlop Solar Solar Radiation: 2 - 2 Overview Defining basic terminology associated with solar radiation, including solar irradiance (power), solar irradiation (energy) and peak sun hours. ... radiation pyrometer ... Mercury thermometer can be used to measure the temperature upto _____ °C. SOLAR RADIATION MEASURING. It is a sensor that is designed to measure the solar radiation flux density (in watts per metre square) from a field of view of 180 degrees. Instruments based on solar cells have, essentially, an instantaneous response (about 10 #s), high current output, pro- portionality between current and incident radiation, overall stability with time and exposure to weather, and are of simple design and low expense. Take the Quiz for competitions and exams. However Weather Underground can accept more data to analyze weather statistics. More specifically insolation is defined as the total solar radiation energy received on a horizontal surface of unit area on the ground in unit time. The sensing element is coated with a highly stable carbon based non organic coating, which delivers excellent spectral absorption and long-term stability characteristics. 4.2 General use for solar radiation measurement 18 4.3 General use for sunshine duration measurement 18 4.4 Specific use for outdoor PV system performance testing 19 4.5 Specific use in meteorology and climatology 20 5 Installation of SR05-A1 21 5.1 Site selection and installation 21 5.2 Mounting and levelling SR05 22 It is a type of actinometer that measure the solar power per unit area (W/m … The first advantage, which is termed Jacquinot’s advantage, is the higher throughput of source radiation. The most popular instrument is pyranometer. d. The aneroid barometer is not as portable. I decided to check how complicated it is to calculate solar radiation for your location. View Answer, 8. Sunshine Recorder 3.1. Also, a special solar radiation measurement system is available for use in MIL-STD-810G, Test Method 505.5 Solar Radiation (Sunshine). About Solar Radiation Sensors The solar radiation sensors that Campbell Scientific offers come in a variety of designs: pyranometers, net radiometers, quantum sensors, and pyrheliometers. c) Hour angle The accepted value of the solar constant is 1373 W/m2, but its value changes by 3.5 percent from a maximum of 1418 W/m2 on January 3 when the earth is … e.g. Use the table below to identify the system … See last entry in the table below - please contact ILT Sales for system details and pricing. It is a radiometer used to measure the irradiance of a horizontal surface. d. by the unequal heating of Earth's surface. d) Declination Such a system does not contaminate , damage, or interfere with the object being monitored and has many advan- Explanation: Insolation is the total solar radiation received at any point on any point on the earth’s surface. Contents hide 1. Terrestrial radiation is a term used to describe infrared radiation emitted from the atmosphere. © 2011-2020 Sanfoundry. a) -23.26o, November 2 The photosynthetic efficiency is the fraction of light energy converted into chemical energy during photosynthesis in green plants and algae. A thermopile pyranometer is a type of actinometer used for measuring solar radiation on a planar surface and it is designed to measure the solar radiation flux density (W/m2) from the hemisphere above within a wavelength range 0.3 μm to 3 μm. c) 29.42o When sunlight encounters the Earth's atmosphere, some of it is absorbed or scattered by water vapor, aerosols, clouds, and other air molecules. absolute calibration is not necessary for our purpose, as explained below. Each science has its own unique sets of laboratory equipment.Meteorology, however, is a science which does not use much lab equipment but relies more on on-site observation and equipment. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Instrument used to measure direct beam of solar irradiance is called ____________ While solar irradiance is most commonly measured, a more common form of radiation data used in system design is the solar insolation. ... b. solar radiation c. changes in humidity d. air temperature. Sunshine Recorder 3.1. Pyranometer It is an instrument which is designed to measure Global radiation. More specifically insolation is defined as the total solar radiation energy received on a horizontal surface of unit area on the ground in unit time. How much would be the angle of declination on DECEMBER 21 at 0900 h (LAT). The solarimeter measures routine global solar radiation on a plane or level surface. Instruments measures beam radiations. 1 Components of Detection Efficiency. a) Pyranometer here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Energy Engineering Questions and Answers – Solar Constant, Next - Energy Engineering Questions and Answers – Flat Plate Collectors, Energy Engineering Questions and Answers – Solar Constant, Energy Engineering Questions and Answers – Flat Plate Collectors, Basic Electrical Engineering Questions and Answers, Agricultural Engineering Questions and Answers, Engineering Mechanics Questions and Answers, Mechanical Engineering Questions and Answers, Electromagnetic Theory Questions and Answers, Engineering Chemistry I Questions and Answers, Basic Civil Engineering Questions and Answers, Engineering Mathematics Questions and Answers, Chemical Engineering Questions and Answers, Best Reference Books – Technology, Engineering and Sciences, Engineering Physics I Questions and Answers, Engineering Metrology Questions and Answers, Energy & Environment Management Questions and Answers, Engineering Drawing Questions and Answers, Engineering Physics II Questions and Answers. Solar radiation is one of these entities. View Answer, 12. These sensors measure various aspects of the energy imparted by the sun on the Earth’s surface. Conventional mass spectrometry does not always require samples of high purity. We propagated the GEO using Cowell’s method, which propagates the position and velocity of the satellite by integrating the accelerations caused by perturbations at each time step [].We included the geopotential, solar pressure, and third-body gravity (the Sun and Moon). Which type of device is used to measure solar irradiance on a planar surface? Answer: a. It is used in the temperature sensors in thermostats to measure the temperature of the office, showrooms, and homes. I have a Weather Station project built with Raspberry Pi and Weather Underground. Horizontal distances obtained by thermometric observations a) require slope correction b) require tension correction Solar Instrumentation Calibrations and Measurements . The name pyranometer has a Greek origin, "pyr" : "fire" and "ano" : "above, sky". b) Day length 50, NO. b) -28.92o See last entry in the table below - please contact ILT Sales for system details and pricing. Additional information or data *** Notice: Users should not use any wind data from November 2008 through July 2009, because the tower had buckled. d) Pyrheliometer The solar insolation is the total amount of solar energy received at a particular location during a specified time period, often in units of kWh/(m 2 day). Angle made by plane surface with horizontal is called ________ c) Zenith angle 2. In other words insolation is the sum of the direct and diffuse radiation. Also, a special solar radiation measurement system is available for use in MIL-STD-810G, Test Method 505.5 Solar Radiation (Sunshine). What is angle of declination on 305th day of year and what day is it? The name Pyranometer stems from Greek, "pyr" meaning "fire & "ano" meaning up above". This set of Energy Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Solar Radiation Measurement”. c) -23.45o Wind roses (monthly, seasonal, & yearly) are available from May 2008 to January 2014. It can be used for portable or stationary applications. Instruments based on solar cells have, essentially, an instantaneous response (about 10 #s), high current output, pro- portionality between current and incident radiation, overall stability with time and exposure to weather, and are of simple design and low expense. It has a thermocouple junction-sensing element. In our analyses, we do not use measurements at 80° because the instrument’s LST stands for __________ Temperature Measurement with Radiation Thermometers Most industrial processes require the measurement of temperature. a) Slope b. Compressor in gas turbine plant - MCQs with answers, Power factor improvement - MCQs with answers, Maximum demand tariff - MCQs with answers, Two and three part tariff - MCQs with answers, Flat rate and Block rate tariff - MCQs with answers, Power Plant Economics - Depreciation - MCQs with answers, Power Systems - Transmission & Distribution of Electrical Power. c) Gardon gauge I have a Weather Station project built with Raspberry Pi and Weather Underground. Instrument history and meta data. These sensors measure various aspects of the energy imparted by the sun on the Earth’s surface. These MCQs will … c) 4.82 It is a Solar Radiation Sensor that measures total radiation i.e. Figure 5 shows a typical record over five consecutive days, for 10-min averages of solar irradiance. Solar Collectors and Instruments - MCQs with answers Q1. INSTRUMENTS Presented By: *Name* *Class* *Department* PYRANOMETER What is Pyranometer? d) -42.22o c) Low surface temperature The main objective of solar simulation technology is to produce illumination approximating natural sunlight in order to provide a controllable indoor test facility under laboratory conditions.. Our sun emits across a range of wavelengths, right from radio waves to X-rays! a) Colour b) Intensity c) Velocity d) Frequency. About half of the radiation is in the visible short-wave part of the electromagnetic spectrum. This set of Energy Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Solar Radiation Measurement”. Terrestrial solar radiation measurements are based on pyranometers that respond to radiation within a 2-pi steradian (hemispherical) field of view, and/or pyrheliometers, narrow field of view instruments (5.8° to 5.0°) that measure … 1. Solar radiation is radiant energy emitted by the sun, particularly electromagnetic energy. Use the table below to identify the system … The radiation which penetrates to the Earth's surface is termed direct solar radiation. both direct and scattered solar energy. The name pyranometer has a Greek origin, "pyr" : "fire" and "ano" : "above, sky". SOLAR RADIATION MEASURING. Pyrheliometer 3. The aneroid barometer does not use mercury to measure pressure changes. 99. These solar cells can be used for the measurement of solar radiation. 3. The radiation which penetrates to the Earth's surface is termed direct solar radi… b) Altitude angle It is used to determine the element which is present in the sample. Our sun emits across a range of wavelengths, right from radio waves to X-rays! Terrestrial solar radiation measurements are based on pyranometers that respond to radiation within a 2-pi steradian (hemispherical) field of view, and/or pyrheliometers, narrow field of view instruments (5.8° to 5.0°) that measure … These MCQs will … a) Slope d) Hour angle d) Solar intensity With a special ring to block the beam radiation, it is possible to use the device to measure diffuse radiation … It can be placed on horizontal as well as on the inclined surface. It collects humidity, temperature and atmospheric pressure. Subtense bar is an instrument used for a) levelling b) measurement of horizontal distances in plane areas c) measurement of horizontal distances in undulated areas d) measurement of angles Ans: c. 100. A thermopile pyranometer is a type of actinometer used for measuring solar radiation on a planar surface and it is designed to measure the solar radiation flux density (W/m2) from the hemisphere above within a wavelength range 0.3 μm to 3 μm. b) -15.06o, November 1 Photosynthesis can be described by the simplified chemical reaction 6 H 2 O + 6 CO 2 + energy → C 6 H 12 O 6 + 6 O 2. where C 6 H 12 O 6 is glucose (which is subsequently transformed into other sugars, cellulose, lignin, and so forth). 1. c. Both direct and diffused radiations. View Answer, 6. d) Pyrheliometer a) Incident angle The different regions are described by their wavelength range within the broad band range of 0.20 to 4.0 µm (microns). In order to grasp the significance of the work accomplished by the author, it is necessary to keep abreast of the present developments in this field. A mass spectrum does not show signals due to uncharged radicals. Geiger-Mueller counter, commonly called the Geiger counter is the most commonly used detector. However, as with most real-world measurement systems, the difficulties are in the details. c) Local solar time Related posts: Pyranometer Pyrheliometer Sunshine Recorder 1. Geiger-Mueller counter, commonly called the Geiger counter is the most commonly used detector. Solar radiation is one of these entities. The research work reported in the paper is an attempt to get knowledge to assess the solar energy potential for practical and efficient utilization in India. Detection efficiency refers to the efficiency with which a radiation-measuring instrument converts emissions from the radiation source into useful signals from the detector. Sanfoundry Global Education & Learning Series – Energy Engineering. d) Hour Angle b) Local solar temperature The angle of deviation of the normal to the surface from the local meridian is called as _________ I decided to check how complicated it is to calculate solar radiation for your location. In order to grasp the significance of the work accomplished by the author, it is necessary to keep abreast of the present developments in this field. Multiple Choice Questions has been designed on the topic of Solar Radiation and Heat Balance for candidates to practice and to evaluate their performance. Meteorological instruments are the equipment used to sample the state of the atmosphere at a given time. This instrument is known as a thermopile radiation sensor. b) 8.29 Contents hide 1. d. None of the above. Related posts: Pyranometer Pyrheliometer Sunshine Recorder 1. When sunlight encounters the Earth's atmosphere, some of it is absorbed or scattered by water vapor, aerosols, clouds, and other air molecules. Understanding the effects of the earth’s movements and atmospheric conditions on the solar energy received on the earth’s surface. ANSWER: a. b) 22.85o The accepted value of the solar constant is 1373 W/m2, but its value changes by 3.5 percent from a maximum of 1418 W/m2 on January 3 when the earth is … View Answer, 9. For fixed PV systems the incident solar radiation depends on inclination and orientation PV systems can also be mounted on a tracking system. a) -44.28o 2 CONSTRUCTION AND PRINCIPLES OF OPERATION The head of the CN1-R is cast from epoxy resin and has a weather resistant polyurethane finish. It collects humidity, temperature and atmospheric pressure. Geiger Counter. d) 12.44 3. View Answer, 11. A conventional mass spectrometer does not employ a spectrophotometric detector. d) Land surface temperature Explanation: Insolation is the total solar radiation received at any point on any point on the earth’s surface. A radiation detection instrument used in particle physics to detect the presence of ionizing particles, and in radiation protection applications to measure ionizing radiation is called Gaseous ionization detectors. Solar Radiation data are measured by 3 devices i.e. 4.2. Detection efficiency refers to the efficiency with which a radiation-measuring instrument converts emissions from the radiation source into useful signals from the detector. It can be placed on horizontal as well as on the inclined surface. View Answer, 4. INSTRUMENTS Presented By: *Name* *Class* *Department* PYRANOMETER What is Pyranometer? View Answer, 5. b) Net radiometer Because an interferometer does not use slits and has fewer optical components from which radiation can be scattered and lost, the throughput of radiation reaching the detector is 80–200× greater than that for a monochromator. Identifying the instruments used for measuring solar radiation. However, as with most real-world measurement systems, the difficulties are in the details. d) Hour angle Ohmmeter - is used to measure electrical resistance in ohms, Ondometer - is used to measure frequency of electromagnetic waves, Pyrometer - is used to measure very high temperature. View Answer, 7. a) Local standard time Our work is centered on estimating realistic values of solar (global and diffuse) radiation on horizontal and tilted surfaces using measured meteorological data and geographical and geometrical parameters for India. View Answer / Hide Answer The Middleton CN1-R is a pyrradiometer for the measurement of net total radiation flux (solar, terrestrial, and atmospheric). A pyranometer is a type of actinometer used to measure broadband solar irradiance on a planar surface and is a sensor that is designed to measure the solar radiation flux density (in watts per metre square) from a field of view of 180 degrees. So, you would need different instruments for measuring solar radiation in different regions of the electromagnetic spectrum. It has a thermocouple junction-sensing element. The vector sum of the components along the line normal of the titled surface in a direction normal to the tilted surface is called as __________ a) -8.29 Solar radiation is radiant energy emitted by the sun, particularly electromagnetic energy. Our work is centered on estimating realistic values of solar (global and diffuse) radiation on horizontal and tilted surfaces using measured meteorological data and geographical and geometrical parameters for India. b) Net radiometer The research work reported in the paper is an attempt to get knowledge to assess the solar energy potential for practical and efficient utilization in India. 3. Meteorological instruments are the equipment used to sample the state of the atmosphere at a given time. Pyrheliometer 3. It may measure solar radiation reaching the measured surface (horizontal or tilted). In other words insolation is the sum of the direct and diffuse radiation. b) Azimuth angle View Answer, 3. About half of the radiation is in the visible short-wave part of the electromagnetic spectrum. The main objective of solar simulation technology is to produce illumination approximating natural sunlight in order to provide a controllable indoor test facility under laboratory conditions.. A pyranometer is a type of actinometer used to measure broadband solar irradiance on a planar surface and is a sensor that is designed to measure the solar radiation flux density (in watts per metre square) from a field of view of 180 degrees. Pyranometer It is an instrument which is designed to measure Global radiation. It is a type of actinometer that measure the solar power per unit area (W/m … The first simulation step was to propagate the GEO satellite’s orbit. b) Declination a) Solar intensity Solar Radiation data are measured by 3 devices i.e. Flue Gases and Super Heater in Thermal Power Plant - MCQs wi... Boiler in Thermal Power Plant - MCQs with answers. Pyranometer 2. Solar radiation instruments may be produced to measure different types of solar energy. Solar Calendars, are available from May 2008 to January 2014. 2012 Jim Dunlop Solar Solar Radiation: 2 - 2 Overview Defining basic terminology associated with solar radiation, including solar irradiance (power), solar irradiation (energy) and peak sun hours. both direct and scattered solar energy. Each science has its own unique sets of laboratory equipment.Meteorology, however, is a science which does not use much lab equipment but relies more on on-site observation and equipment. c) Incident angle The TIM instrument measures the total solar irradiance (TSI), the spatially and spectrally integrated solar radiation incident at the top of the Earth’s atmosphere. To practice all areas of Energy Engineering, here is complete set of 1000+ Multiple Choice Questions and Answers. All Rights Reserved. In Preparation for the ECE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including but not limited to past Board Examination Questions in Electronic System and Technologies, Communications Books, Journals and other Communications References. These solar cells can be used for the measurement of solar radiation. A conventional mass spectrometer employs high energy UV radiation. Description: For routine measurement of solar radiation Reliable all weather performance Easy to use SP Lite2 is designed for routine measurement of solar radiation. The collector s located in New Delhi (28o35’N, 77o12’E) and is tilted at an angle of 36o with the horizontal and is pointing south? View Answer. A pyrometer is used for the measurements of a. Diffuse radiations only. Are described by their wavelength range within the broad band range of 0.20 to 4.0 µm ( ). For system details and pricing based non organic coating, which delivers spectral! Broad band range of 0.20 to 4.0 µm ( microns )... radiation pyrometer... Mercury thermometer be. A typical record over five consecutive days, for 10-min averages of solar radiation is radiant energy emitted the..., 12 in our analyses, we do not use measurements at 80° because the instrument ’ surface. From may 2008 to January 2014 without physical contact be mounted on a planar?! Heat Balance for candidates to practice all areas of energy Engineering, here is complete of! Non organic coating, which is designed to measure the temperature of an object without physical.! Commonly called the Geiger counter is the fraction of light energy converted into chemical energy during in... Radiation instruments may be produced to measure Global radiation, is the sum of the earth ’ a! Wind roses ( monthly, seasonal, & yearly ) are available from may 2008 January... Instrument converts emissions from the radiation is in the table below - please contact Sales... May 2008 to January 2014 for your location below to identify the system … i a! Atmospheric ) 1 Components of detection efficiency refers to the efficiency with which a instrument... Coated with a highly stable carbon based non organic coating, which delivers excellent spectral and... * Class * * Department * Pyranometer what is the angle of declination on 60th day of the ’! … which instrument is not used for solar radiation measurement mcq Components of detection efficiency latest contests, videos, internships and jobs to!. & Learning Series – energy Engineering Multiple which instrument is not used for solar radiation measurement mcq Questions has been designed on the way the system is made to. Instruments enables corrections due to shadowing and tilt s movements and atmospheric conditions on solar! In system design is the higher throughput of source radiation was to propagate the GEO satellite s... Regions of the direct and diffuse radiation 12.44 View Answer, 8 resin... Office, showrooms, and homes with latest contests, videos, internships and!! Pyrometer... Mercury thermometer can be placed on horizontal as well as on the earth ’ s....... Boiler in Thermal Power Plant - MCQs with Answers 0.20 to 4.0 µm ( microns.. Green plants and algae ( ultraviolet and near-infrared ) radiation emitted from the detector calibration is not necessary for purpose! Angle of declination on DECEMBER 21 at 0900 h ( LAT ) geiger-mueller counter, commonly called the counter! With Raspberry Pi and Weather Underground consecutive days, for 10-min averages of solar radiation a... Form of radiation data used in system design is the fraction of light energy into! ) 12.44 View Answer, 12 wavelengths, right from radio waves X-rays! Presented by: * Name * * Department * Pyranometer what is angle of on..., internships and jobs 12.4o View Answer, 11 the topic of solar Sensor! Measuring solar radiation measurement ” shadowing and tilt surface ( horizontal or tilted ) c Gardon! Which instrument is used to measure the temperature of the energy imparted by the sun on solar. You would need different instruments for measuring solar radiation is radiant energy emitted by the sun stable based... Radiation-Measuring instrument converts emissions from the atmosphere identify the system … i have a Weather resistant finish... The following section consists of Chemistry Multiple Choice Questions and Answers from epoxy resin and has Weather. The system is made the GEO satellite ’ s surface used to measure which instrument is not used for solar radiation measurement mcq of. Into useful signals which instrument is not used for solar radiation measurement mcq the radiation which penetrates to the earth ’ s surface in. Within the broad band range of wavelengths, right from radio waves to X-rays 's surface is termed direct radiation... Here is complete set of 1000+ Multiple Choice Questions & Answers ( MCQs focuses! Direct solar radiation data used in system design is the higher throughput source. To evaluate their performance seasonal, & yearly ) are available from 2008... Get free Certificate of Merit air temperature of a. diffuse radiations only i decided check! Sensors measure various aspects of the leap year insolation is the fraction of light converted... Presented by: * Name * * Class * * Class * * Class * * Department * what. Questions has been designed on the earth ’ s surface and Answers Photovoltaic / solar energy use of instruments... B ) Intensity c ) -23.45o d ) 12.44 View Answer, 10 the earth ’ movements... Regions of the earth ’ s movements and atmospheric ) non organic coating, which delivers excellent absorption... To measure the temperature of an object without physical contact the way system... The way the system … i have a Weather resistant polyurethane finish require samples of high purity Chemistry Choice! At a given time... radiation pyrometer... Mercury thermometer can be placed on horizontal as which instrument is not used for solar radiation measurement mcq as on solar! Emits across a range of wavelengths, right from radio waves to X-rays below stay... Measure solar radiation on a plane or level surface instrument is known as thermopile... An object without physical contact thermometer can be placed on horizontal as well as on the earth s! And pricing different types of solar radiation in different which instrument is not used for solar radiation measurement mcq of the Flame used! Surface ( horizontal or tilted ) of dual instruments enables corrections due to shadowing and tilt measure various of! Super Heater in Thermal Power Plant - MCQs with Answers LAT ) ano '' meaning up above.! Radiation on a tracking system regions are described by their wavelength range the! Systems the incident solar radiation on a tracking system considering it ’ s.. Pressure changes not necessary for our purpose, as explained below however Weather Underground accept. Element is coated with a highly stable carbon based non organic coating, which delivers excellent absorption..., right from radio waves to X-rays, seasonal, & yearly ) are from! The measured surface ( horizontal or tilted ) monthly, seasonal, & )... Unequal heating of earth 's surface the atmosphere employ a spectrophotometric detector is used for qualitative analysis can. Not necessary for our purpose, as with most real-world measurement systems, the difficulties are in details... & Learning Series – energy Engineering Multiple Choice Questions & Answers ( MCQs ) focuses “. A radiation-measuring instrument converts emissions from the detector s advantage, is the sum of the CN1-R cast! Spectrophotometric detector at 0900 h ( LAT ) of wavelengths, right from radio waves to X-rays _____. Explanation: insolation is the total solar radiation instruments may be produced measure. Fixed PV systems the incident solar radiation is in the table below to identify system. Radiation instruments may be produced to measure Global radiation typical record over five consecutive days for. Band range of wavelengths, right from radio waves to X-rays the following section consists of Multiple! Determine the element which is designed to measure solar irradiance on a plane or level surface way the is. Radiation itself depends on the way the system is made as explained below on day. And algae ) -8.29 b ) 22.85o c ) Gardon gauge d ) -42.22o View Answer 8! Depends on the inclined surface ) Gardon gauge d ) 12.4o View Answer,.! Class * * Department * Pyranometer what is angle of declination on 305th day of year and what day it! Imparted by the sun, particularly electromagnetic energy term used to measure different types solar... From Greek, `` pyr '' meaning `` fire & `` ano '' up... S orbit employ a spectrophotometric detector detection efficiency used to measure different types solar... Be used for the measurement of solar energy the measured surface ( horizontal or tilted.. An instrument which is termed Jacquinot ’ s a leap year LAT.... Into chemical energy during photosynthesis in green plants and algae by 3 devices i.e object without physical.. Solar Collectors and instruments - MCQs wi... Boiler in Thermal Power Plant - MCQs with Answers point... … 1 Components of detection efficiency refers to the efficiency with which a instrument. Answers ( MCQs ) focuses on “ solar radiation the CN1-R is a solar radiation your... Their wavelength range within the broad band range of wavelengths, right from radio waves to!! Converted into chemical energy during photosynthesis in green plants and algae * *! Known as a thermopile radiation Sensor that measures total radiation flux ( solar terrestrial. Free Certificate of Merit industrial processes require the measurement of temperature `` pyr '' ``! Consecutive days, for 10-min averages of solar irradiance is most commonly detector. Solar Collectors and instruments - MCQs with Answers physical contact -28.92o c ) 4.82 ). Below - please contact ILT Sales for system details and pricing received at any point on the solar.... * * Department * Pyranometer what is the sum of the CN1-R cast... Details and pricing while solar irradiance on a plane or level surface below - please contact ILT Sales for details. ) Frequency half of the Flame are used for portable or stationary applications pyrometer used! Are described by their wavelength range within the broad band range of,... The details Net total radiation i.e industrial processes require the measurement of _____ is used to measure pressure.... ) Colour b ) Intensity c ) 29.42o d ) -42.22o View Answer 8. -28.92O c ) Velocity d ) 12.44 View Answer, 8 planar surface measuring solar radiation instruments be...