Prism (surveying) (corner cube retroreflector) Prismatic compass (angle measurement) Ramsden surveying instruments. a) Chain surveying b) Topographic surveying c) Traverse surveying d) Aerial surveying Answer: b Clarification: Topographic surveying classification is based upon the nature of the field survey. classification (class 1 being the highest) means that the furnace is able to stay closer to its target temperature without variation. surveying, a means of making relatively large-scale, accurate measurements of the Earth's surfaces.It includes the determination of the measurement data, the reduction and interpretation of the data to usable form, and, conversely, the establishment of relative position and size according to given measurement requirements. 2. Classification of electronic measurement instruments instruments. in land surveying maps and plan showing the features on the land. Figure 1: Traverse. few surveying instruments Vt ere in use, and surxevs "ere classified based upon the instruments used. Based on instruments used surveying can be classified as: 1) Chain survey. 1. What is leveling? Sl.No. Classification based on the purpose of the survey. a) Methodology b) Instrument c) Object of survey d) Earth's curvature (iii). g) Aerial Survey. • Finding difference of level. Ranging rod. 7) Modern survey using electionic distance meters and total station. Give the different classifications of surveying based on the type of equipment used. Plane and geodetic surveying are classification of surveying based on? In other words, theodolite may be defined as the instrument fitted with a small telescope that can move freely in the horizontal and vertical plane to measure the horizontal and vertical angles in surveying. Surveying may be classified on the basis of nature of the survey field, object of survey, instruments used and the methods employed. One should find a compromise between the required accuracy of instruments and economic aspect justifying its use. In this survey, data about large tracks of land is gathered by taking photographs from an aero-plane. This instrument uses visible light as its source and possesses a range of 25 km, having accuracy up to 2-3km. Military Survey. . Instrument-based Surveys. 2) theodolite survey. Plane table surveying. Surveying may be classified on the following basis: (i) Nature of the survey field (ii) Object of survey (iii) Instruments used and (iv) The methods employed. 2. . Theodolite surveying. C. Classification based on the instruments : 1. b. For survey work most instruments use infra-red radiation (IR). Topographical Survey: Degree of accuracy is comparatively low. Surveying is the art of determining the relative positions of different objects on the surface of the earth by measuring the horizontal distances between them, and by preparing a map to any suitable scale. PLANE SURVEYING is a process of surveying in which the portion of the earth being surveyed is considered a plane. The first necessity in surveying is to prepare a plan and a section of an area to be covered by the project. • Chain Survey: This is the simplest type of surveying in which only linear measurements are made with a chain or a tape. Cadastral Survey: Details such boundaries of houses, town, fields and other properties pathways are determined. Classification of Surveys according to their Purpose In our previous article, we discussed division and classification of surveys based on various factors such as Purpose, instruments, field of work, method of work etc. SURVEY FREQUENCY Based on the furnace classification (and instrumentation type used to conduct the TUS), the guidelines clearly determine the testing About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . compasses, plane tables, and-theodolites were the only instruments used. Classification Based on Instrument Used Chain survey. Classification based upon equipment used : Based on various types of instruments used, surveying can be classified into six types. Prepare a chart for finding the levels of different points situated on a piece of land. Many more instruments are available now. The process involves the positions and levels of building lines and road alignments shown on the construction plans to be established on the ground by various techniques and instruments. Based on object (iv). Agricultural development survey 4. . Tachometric survey. Classification based on instruments used: Based on various types of instruments used, surveying can be classified into six types. 5) compass survey. Tacheometric surveying. B. Setting Out Classification based on Accuracy of work : Two general classifications of . Hence chain surveying is some times called chain triangulation. 5 Classifications of Accuracy and Standards . It is a multi-step workflow. This type of instrument is based on the principle that when a . SECONDARY CLASSIFICATION OF SURVEYING. Satellite image classification is not complex, but the analyst has to take many Purposes - to define boundaries of a piece of land or … (ii) Compass survey. Answer: a 25 4) tacheometry survey. Based on the purpose (for which surveying is being conducted), Surveying has been classified into: • Control surveying : To establish horizontal and vertical positions of control points. • Land surveying : To determine the boundaries and areas of parcels of land, also known as property survey, boundary survey or cadastral survey. We discuss seven types of land surveying and provide recommended tools for each: ALTA/ACSM, Boundary, Construction, Location, Site Planning, Subdivision, Topographic. • Locating points on a line. Based on the instrument used; surveys can be classified into; i) Chain tape surveys ii) Compass surveys iii) Plane table surveys iv) Theodolite surveys Classification . The Uses, Principles, Classifications, and Types of Surveying. SURVEYING IES MASTER GATE STUDY MATERIAL : CLICK HERE Classification Based on Position of instruments: When measurement is done on the ground by say chain . BASED ON METHOD OF SURVEYING 1.Triangulation surveying 2.Traverse surveying Classification Based on Nature of Survey Field This basis survey may be classified as land survey, marine or hydraulic survey and astronomical survey. b.Secondary classification (i). Classification of Survey Study of classification of surveys is a major part of the study of Surveying as a whole. Classification based on the Instruments. Introduction to Surveying. Remote sensing. Plane surveying Geodetic surveying. 1. Surveying is the art of determining the relative positions of different objects on the surface of the earth by measuring the horizontal distances between them, and by preparing a map to any suitable scale. Historically EDM instruments have been classified according to the type and wavelength of the electromagnetic energy generated or according to their operational range. Electronic Distance Measuring Instrument Electronic distance measurement ( EDM ) is a method of determining the length between two points using electromagnetic waves . (v) Tacheometric survey. Surveys may be classified based on the nature of the field of survey, object of survey and instruments used. In this survey, data is gathered by making physical observations and some measurements are taken by using survey instruments. • COMPASS SURVEY: 6. 5. Define surveying and give its classifications. 1.8.5. Technically, a survey is a method of gathering and compiling information from a group of people, more often known as the sample, to gain knowledge by organizations, businesses, or institutions. CLASSIFICATION BASED ON INSTRUMENTS. Define - Classification Based on Instruments Used, www.expertsmind.com - Classification Based on Instruments Used assignment help, Classification Based on Instruments Used homework help, Classification of Surveying Tutors linrlier times. Classification based on the object of the survey: Archaeological survey. CLASSIFICATION OF SURVEYING i)PLANE SURVEYING Plane Surveying is defined as the divison of Surveying in which all the survey works are carried based on the assumption that,the surface of earth is a plane and curvature of the earth is Ignored. Surveying is classified based on various criteria including the instruments used, purpose, the area surveyed and the method used. Aerial Photographic Survey. Chaining;Instruments used for chaining. Classification based on Accuracy of work : Two general classifications of surveys are geodetic and plane. ALTA / ACSM survey 2. Theodolite- An Overview Theodolite is an optical instrument that consists of a small moveable . Classification of Surveying. Angular measurements are not taken. . . Surveying may be classified on the basis of nature of the survey field, object of survey, instruments used and the methods employed. The classification standards of the control net works will help in this formulation. Classifications of Surveying. Chain surveying. CLASSIFICATION OF SURVEYING . The surveys are conducted using various different instruments. and artificial features such as roads and canals. The traditional role of a surveyor . Thus, in this process, the measurements are taken only in the horizontal plane. Plane Table survey. Define the following words: a) Intermediate Readings b) Back sight 6. Engineering Surveys: The surveys which are carried out for the determination of quantities or to afford sufficient data for designing engineering works, such as roads, reservoirs, sewage disposal, water supply, etc are called engineering surveys. This information or opinion collected from the sample is more often generalization of what a large population thinks. Photographic surveying. Thus, in discipline, the measurements are taken only in the horizontal plane. Plane Table Survey It is a graphical method of surveying in which field work and plotting are done simultaneously in the field. Instrument Errors Instrument errors are caused by imperfectly constructed, adjusted, or calibrated surveying equipment. Surveyor's compass. These include the following- Triangulation Survey, Traverse Survey. Classification of surveying: Definition of Surveying: It is defined as an art to determine the relative positions of points on, above or beneath the surface of the earth, with respect to each other, by measurements of horizontal and vertical distances, angles and directions. Based on the purpose (for which surveying is being conducted), Surveying has been classified into: Control surveying: To establish horizontal and vertical positions of control points. The use of instruments depend upon its availability and suitability to the site. Aerial surveying is classified based on the type of method employed. either alone or in connmction With one another. CAD allows for a greater level of precision and detail than could not be . Instruments used for chain surveying: The various instruments used in chain surveying are as follows. The curvature of the earth is The curvature of the earth is taken. Unit-I • Definitions, Principle, Various types of surveying-Based on methods and instruments, • Classifications, uses, necessity and use of various scales and verniers • Different types of ranging, tapes, chains, linear measurements, approximate, direct, optical and electronic methods, Chain Surveying, Minor Instruments for setting out right angle. Below is a summary of eight different types of surveying equipment and their uses: 1. As-built survey 5. Differentiate between plane and geodetic surveying. Tacheometric survey. Surveying is the technique of determining the relative position of different features on, above or beneath the surface of the earth by means of direct or indirect measurements and finally representing them on a sheet of paper known as plan or map. Satellite image classification is a process of grouping pixels into meaningful classes [4]. CLASSIFICATION OF SURVEYING BASED INSTRUMENT. Do not set an instrument in front of or behind a vehicle or equipment that is likely to move. Surveying. Instagram - https://www.instagram.com/invites/contact/?i=lgmt4hmsqyfs&utm_content=4sw6hwr Thus, in discipline, the measurements are taken only in the horizontal plane. From determining property boundaries to preparing construction sites, surveyors rely on certain equipment to do their jobs properly. 3. It is very effective method of surveying for preparing small or medium size topographical plans. 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