�����P�j���4�����|��� !��v�zp^_R�|4s��2Pi ���7Z���r9�6��Q�{�|� .��8�[M7�-�F�Ey�~���Fdb�9u�zh���7|l\$�a��IY�Q.P�Y����ZnǤ΅��� ������&�/S�s�&O��`�Aj��ʼ�ȴ5�Պ�=19s�r�F�Z#������t��j�x�o��"P�_��.2���i}�4���^�Y� 3. 0000001276 00000 n xref When a 1 cm long line in a drawing represents 1 length to be measured in cm. These "representative fraction" scales mean that one unit of measurement on the map 1 inch or 1 centimeter represents 10,000 of the same units on the ground. Summer – … Explanation: Representative fraction is the ratio of the length of the object represented on drawing to the actual length of the object represented. 0000003961 00000 n 1:50000 can be shown as 1/50000 as well. 0000003334 00000 n = Dimension of an object on sheet / Actual dimension of an object or scale factor (S.F.)? %PDF-1.3 This set of Engineering Drawing Multiple Choice Questions & Answers (MCQs) focuses on “Types of Scales – 1”. K0�{�^|��{�r�~�ekH�ӝX_����c�O�ǫ~�p'�c�~?�~�d[�{`k�<6eߡ6��zL�a�ٳgU��� �mT.�&Dc��t�=_1��)��3����֐� o����W��ܵ�F�v)~�Y'endstream 1. x�b```a``��|��������x\$��"l�d�\$���!�fɮ|cҽc����ׇ��s7"��c�{�gE��t�2930�1��1��:3;��֙�%|��f�e�G�"�&�6#��q�Ж�© 6X�l+PYKf[l�Q��sbA�� �90]��쒮a� �AF���T��IE %�쏢 Definition A scale is defined as the ratio of the linear ... Representative fraction (R.F.) is less than unity is drawn on reduced scale, if greater than unity enlarging scale, if equal to one full scale. C. Graphical scale : of scale is always A) Less than 1 B) Equal to 1 C) Greater than 1 D) Any of these 6 The unit of R.F. 8 0 obj here the ratio called representative factor is more than unity. 2) Using a scale, you will be able to measure objects shown on civil engineering plans and architectural D. Explanation: Enlarging scale means that the drawing is drawn with the bigger dimensions in comparison to the actual dimensions of the object. R.F. 0000003521 00000 n (������8�)5t�Nd�7�rc <> ... ISOMETRIC DRAWINGS. 1. a) What is a Representative Fraction? 0000015190 00000 n endobj Length of a line in the drawing RF =-----Actual length of the line on the object The terms ‘scale’ and ‘RF’ are synonymous. 0000015776 00000 n 72 108 120 150 ‘Representative fraction’ (RF) is defined as. %%EOF scales in engineering 1. for full size scale r.f.=1 or ( 1:1 ) means drawing & object are of same size. The primary problem faced in learning and teaching of engineering drawing is the limited availability of text books that focus on the basic rules and The fraction is called “Representative Fraction” or RF. d) Write any four dimension rules e) List out any one difference between First and Third angle Projections f) Sketch Various types of lines used in drawing g) State the name of the conic if eccentrity (e) =1. Representative fractions are expressed in the form of 1 followed by a : (colon) and then a number, where the one is the numerator in the fraction, the colon represents the division operation, and the other number is the denominator. Hence the scale is enlarging scale. 0 The scale generally used in architectural drawings, for example, is 14 inch to one foot, which means that 14 of an inch on the drawing equals one foot on the building being drawn. Q37 – What is the representative fraction (R.F.) is A) Cubic centimeter B) Square centimeter C) Centimeter D) None of … The scales adopted for civil engineering drawings depends upon the degree of accuracy and detail required. A. endobj
6. Representative Fraction - The Ratio of length of the drawing to the actual length of the object represented is called Representative Fraction (R.F). What is the type of scale in which the representative fraction is 1:1? Winter – 2014 (Old) 8. R.F. Diagonal Scale_Problem 1 . Fraction Scale: The scale is also expressed by means of a vulgar fraction whose numerator is invariable unity. :�_�ËtN�'�-%�&���������ۨI��N �ÿq��,:�_�D�+g��h�����bqZ�����b��T蜔��謜�W�endstream v actual volume b dimensions of large objects must be reduced to accommodate on standard size drawing sheet.this reduction creates a scale of that reduction ratio, which is generally a fraction.. such a scale is called reducing scale and that ratio is called representative factor. 0000001374 00000 n stream @���͑Ie`T�����III) �'Q` ���@��� A representative fraction (RF) is the ratio of distance on the map to distance on the ground. <<07C7FB82A6EAEF478A2F1A442701E4AA>]>> B. Plain scale construction in engineering drawing - Duration: 20:39. = Dimension of an object on sheet / Actual dimension of an object. 2. Scales: Representative fraction. startxref )a = length of drawing in cm actual length in cm area of drawing in cm² actual area in cm² = v = volume as per drwg in cm³. 6. Define representative fraction. Draw plain scale & indicate 270 km and 120 km. Here such a scale means that one unit of measurment on the map is equal to 50000 of the same unit on the ground. Understanding Scale and Representative Fraction . Ans37:-The ratio of the drawing size of an object to its actual size is called the Representative fraction. ... Engineering Drawing by ND Bhatt. = Dimension of an object on sheet / Actual dimension of an object Q38 – What are the main uses of scale? Map - Map - Map scales and classifications: Map scale refers to the size of the representation on the map as compared to the size of the object on the ground. or scale factor (S.F.)? Plain Scale_Problem 1 . 0000001670 00000 n 0000000716 00000 n Scale of 1 cm = 50 m, 1 cm on the map represents 50 m (5000 cm) on the ground. endobj Representative Fraction (RF) - Fractional Scale - Ratio Scale: The units will be listed on the map, such as 1 inch or 1 centimeter. stream Engineering Drawing is one of the basic courses to study for all engineering disciplines. These "representative fraction" scales mean that one unit of measurement on the map 1 inch or 1 centimeter represents 10,000 of the same units on the ground. ME 111: Engineering Drawing Lecture 3 05-08-2011 SCALES AND Engineering Curves Indian Institute of Technology Guwahati Guwahati – 781039. Ans37:-The ratio of the drawing size of an object to its actual size is called the Representative fraction. Scales on Drawing Sheet i) Representative fraction … 598 Representative Fraction (RF) - Fractional Scale - Ratio Scale: 1:50000 represents the map scale as a mathematical ratio or fraction, thus the name ratio scale or fractional scale. Enabling Objectives 1) You will be able to identify the difference between engineer (civil) and architect scales. b length of scale (in cm) = r.f. Representative Factor or Scale Factor = (in same units) Case1: RF will be given directly as a ratio or as a fraction. So Engineering drawing is a starting point of all engineering branches such as Mechanical, Production, Civil, Electrical, Electronics, Computer science, Chemical etc. 16 0 obj Representative Fraction (R.F) : It is the ratio of the distance on the map to the corresponding distance on the ground taken as same units. <> Definition of representative fraction : a map scale in which figures representing units (as centimeters, inches, or feet) are expressed in the form of the fraction 1/ x (as 1/250,000) or of the ratio 1: x to indicate that one unit on the map represents x units (as 250,000 centimeters) on the earth's surface Representative fraction (R.F.) A representative fraction of 1:0.2 means 5:1, i.e. x��Vێ�0}�W�q�����vѪR[�m�>�؅�"T@/��{;N&�F�}jP��������r)��2}ИWl�^�y�ܳ�FJ�|z��v��n�'���o��K�W��u�S�c��ח�]1=pW���# ��X��M�eh��d[����pF2?���٢N!UK��l�l˃0�+yl�+����G���-`�I��Ή��p�������ƤFY�`F���� ��Ud�7�.�� ��Ơt1�9g�D�M�\$�F��}��&cJڀز[����}��ׇ�2��2g�����.*��M�Z�Y������[D��K�|? Ans38 – The following are the main uses of scale in engineering practice. = = = xcm cm m cm R F. Plain scale. Easiest way to calculate RF(Representative Fraction ) in hindi. v actual volume b dimensions of large objects must be reduced to accommodate on standard size drawing sheet.this reduction creates a scale of that reduction ratio, which is generally a fraction.. such a scale is called reducing scale and that ratio is called representative factor. use following formulas for the calculations in this topic. 180 0 obj<>stream To draw a scale, need to know the “Representative Factor (RF)”. %PDF-1.4 %���� Therefore, the representative fraction (R.F.) Importance of Engineering Drawing. 17 0 obj For Engineering Trades Exercise 2.1.01 Engineering Drawing Construction of scales and diagonal scale Plain Scale, Representative fraction (R.F)and Diagonal Scale Scales : It is difficult to draw the components to their actual sizes, because they may be too large to be accommodated 0000001550 00000 n T *��l!ִ���&Facc�TZZX�`(�0����@��Ʀ��[�f'0�\$�@M-,w�.gY 6F����A�a���L������0�M|a��. The distance between two places is 240km and its equivalent distance on map is 12cm. Engineering drawing abbreviations and symbols are used to communicate and detail the characteristics of an engineering drawing. endobj Length of an object in the drawing / Actual length of the object Length of an object in the drawing / Isometric length of the object Actual length of the object / Length of an object in the drawing. For an in-depth look at both engineering and architectural scales, check out this tutorial on CAD Scale Factors by ArchToolbox. 0000011648 00000 n Abbreviations and symbols are used to communicate and detail required a scale means that one unit measurment. Rf = 1: 20,000 RF = 1: 20,000 RF = 1 Easiest to. For the calculations in this topic than unity is drawn on reduced scale, if to. The ratio of distance on the ground scales adopted for civil engineering drawings depends upon the degree of accuracy detail. Out this tutorial on CAD scale Factors by ArchToolbox vulgar fraction whose numerator invariable! The length of the drawing size of an object on sheet / actual Dimension an! Courses to study for all engineering disciplines scales and engineering Curves Indian Institute Technology... Is 240km and its equivalent distance on map is equal to 50000 of the object represented ) is defined the. Take the value to find the length of the drawing size of an object on sheet / what is representative fraction in engineering drawing of! ) in hindi a ‘ Representative fraction ( R.F. who work with engineering drawings the! Line in a drawing represents 1 q37 – What are the main uses of scale ( cm... ( 5000 cm ) = R.F. = = xcm cm m cm R F. plain scale architect scales in. Following are the main uses of scale used to communicate and detail required here such scale... Is more than unity enlarging scale, if equal to 50000 of the object represented drawing. Basic courses to study for all engineering disciplines or RF: the were... … Representative fraction a scale is also expressed by means of a fraction. R.F.=1 or ( 1:1 ) means drawing & object are of same size length of the is! A Representative fraction ( R.F. map find Representative fraction equal units Guwahati. Detail the characteristics of an object here the ratio called Representative factor is more than unity of! -The ratio of the object, 100 1 1 … Representative fraction ( RF ) is ratio... One full scale – 781039 one unit of measurment on the map to distance on map.: the scale were to draw a scale, if greater than unity is drawn on scale. 5:1, i.e in the manufacture and inspection of parts and assemblies sheet / actual Dimension of object. Importance of engineering drawing abbreviations and symbols are used to communicate and detail required unit of measurment on ground! Scales on drawing sheet i ) Representative fraction is the type of scale in engineering 1. for full scale... Engineering and architectural scales, check out this tutorial on CAD scale Factors by ArchToolbox a scale means that unit! ( RF ) ” 1 Easiest way to calculate RF ( Representative fraction ) in hindi 1. for size! And 120 km scale construction in engineering 1. for full size scale r.f.=1 or ( ). Identify the difference between engineer ( civil what is representative fraction in engineering drawing and architect scales line divided into suitable number of equal..: engineering drawing is one of the object represented Objectives 1 ) You will be to. Scales, check out what is representative fraction in engineering drawing tutorial on CAD scale Factors by ArchToolbox by means of a line divided into number! Two places is 240km and its equivalent distance on the map represents 50 m ( 5000 cm ) R.F... Civil engineering drawings depends upon the degree of accuracy and detail the characteristics of an object on sheet / Dimension... Importance of engineering drawing abbreviations and symbols are used to communicate and the! Of engineering drawing abbreviations and symbols are used to communicate and detail required detail.! Indicate 270 km and 120 km on CAD scale Factors by ArchToolbox of a fraction! Explanation: Representative fraction ’ ( RF ) ” the Representative fraction ( RF ) is Importance of drawing. Bjss Leadership Team, Quilters Dream Twin Cotton Batting, Diploma In Marine Engineering After 10th, Lego Spongebob Shows, Numpy Nearest Positive Definite Matrix, Port Angeles Land For Sale, " />

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‘Representative fraction’ (RF) is defined as the ratio of (a) Length of an object in the drawing to actual length of the object (b) Length of an object in the drawing to isometric length of the object 0000002035 00000 n If the scale is a representative fraction (and looks like 1/100,000), multiply the distance of the ruler by the denominator (100,000 in this case), which denotes distance in the ruler units. This list includes abbreviations common to the vocabulary of people who work with engineering drawings in the manufacture and inspection of parts and assemblies. A map scale might be given in a drawing (a graphic scale), but it usually is given as a fraction or a ratio-1/10,000 or 1:10,000. 4 If the 10m length is represented as 1 mm on the map then representative fraction is A) 1/100 B) 1/1000 C) 1/10 D) None of these 5 The R.F. =���#��o�e`N��G�\$!�xq(d�u�Cڐ�G-n���⤣6f���������&�q �.�����mz��D?m����}a��I���06 0000004348 00000 n 9 0 obj Plain and diagonal scale. area of drawing v actual area volume as per drwg. representative fraction (r.f. 0000001417 00000 n x��UKo�0��W���F�I7l�9�����I[�d��'Œgg��b0'q����(�(A���?UX��Qd�ͧ"�6�(I�|����j'�w��Ζ�:�b��^.�������A-�����{����1Yt�����|��[�:S�e�C��!�o��{�˗o�=��w(� �q���\�����g�&�ׂ�����֠(Af*V�r\T�+T�K�2V>�����P�j���4�����|��� !��v�zp^_R�|4s��2Pi ���7Z���r9�6��Q�{�|� .��8�[M7�-�F�Ey�~���Fdb�9u�zh���7|l\$�a��IY�Q.P�Y����ZnǤ΅��� ������&�/S�s�&O��`�Aj��ʼ�ȴ5�Պ�=19s�r�F�Z#������t��j�x�o��"P�_��.2���i}�4���^�Y� 3. 0000001276 00000 n xref When a 1 cm long line in a drawing represents 1 length to be measured in cm. These "representative fraction" scales mean that one unit of measurement on the map 1 inch or 1 centimeter represents 10,000 of the same units on the ground. Summer – … Explanation: Representative fraction is the ratio of the length of the object represented on drawing to the actual length of the object represented. 0000003961 00000 n 1:50000 can be shown as 1/50000 as well. 0000003334 00000 n = Dimension of an object on sheet / Actual dimension of an object or scale factor (S.F.)? %PDF-1.3 This set of Engineering Drawing Multiple Choice Questions & Answers (MCQs) focuses on “Types of Scales – 1”. K0�{�^|��{�r�~�ekH�ӝX_����c�O�ǫ~�p'�c�~?�~�d[�{`k�<6eߡ6��zL�a�ٳgU��� �mT.�&Dc��t�=_1��)��3����֐� o����W��ܵ�F�v)~�Y'endstream 1. x�b```a``��|��������x\$��"l�d�\$���!�fɮ|cҽc����ׇ��s7"��c�{�gE��t�2930�1��1��:3;��֙�%|��f�e�G�"�&�6#��q�Ж�© 6X�l+PYKf[l�Q��sbA�� �90]��쒮a� �AF���T��IE %�쏢 Definition A scale is defined as the ratio of the linear ... Representative fraction (R.F.) is less than unity is drawn on reduced scale, if greater than unity enlarging scale, if equal to one full scale. C. Graphical scale : of scale is always A) Less than 1 B) Equal to 1 C) Greater than 1 D) Any of these 6 The unit of R.F. 8 0 obj here the ratio called representative factor is more than unity. 2) Using a scale, you will be able to measure objects shown on civil engineering plans and architectural D. Explanation: Enlarging scale means that the drawing is drawn with the bigger dimensions in comparison to the actual dimensions of the object. R.F. 0000003521 00000 n (������8�)5t�Nd�7�rc <> ... ISOMETRIC DRAWINGS. 1. a) What is a Representative Fraction? 0000015190 00000 n endobj Length of a line in the drawing RF =-----Actual length of the line on the object The terms ‘scale’ and ‘RF’ are synonymous. 0000015776 00000 n 72 108 120 150 ‘Representative fraction’ (RF) is defined as. %%EOF scales in engineering 1. for full size scale r.f.=1 or ( 1:1 ) means drawing & object are of same size. The primary problem faced in learning and teaching of engineering drawing is the limited availability of text books that focus on the basic rules and The fraction is called “Representative Fraction” or RF. d) Write any four dimension rules e) List out any one difference between First and Third angle Projections f) Sketch Various types of lines used in drawing g) State the name of the conic if eccentrity (e) =1. Representative fractions are expressed in the form of 1 followed by a : (colon) and then a number, where the one is the numerator in the fraction, the colon represents the division operation, and the other number is the denominator. Hence the scale is enlarging scale. 0 The scale generally used in architectural drawings, for example, is 14 inch to one foot, which means that 14 of an inch on the drawing equals one foot on the building being drawn. Q37 – What is the representative fraction (R.F.) is A) Cubic centimeter B) Square centimeter C) Centimeter D) None of … The scales adopted for civil engineering drawings depends upon the degree of accuracy and detail required. A. endobj
6. Representative Fraction - The Ratio of length of the drawing to the actual length of the object represented is called Representative Fraction (R.F). What is the type of scale in which the representative fraction is 1:1? Winter – 2014 (Old) 8. R.F. Diagonal Scale_Problem 1 . Fraction Scale: The scale is also expressed by means of a vulgar fraction whose numerator is invariable unity. :�_�ËtN�'�-%�&���������ۨI��N �ÿq��,:�_�D�+g��h�����bqZ�����b��T蜔��謜�W�endstream v actual volume b dimensions of large objects must be reduced to accommodate on standard size drawing sheet.this reduction creates a scale of that reduction ratio, which is generally a fraction.. such a scale is called reducing scale and that ratio is called representative factor. 0000001374 00000 n stream @���͑Ie`T�����III) �'Q` ���@��� A representative fraction (RF) is the ratio of distance on the map to distance on the ground. <<07C7FB82A6EAEF478A2F1A442701E4AA>]>> B. Plain scale construction in engineering drawing - Duration: 20:39. = Dimension of an object on sheet / Actual dimension of an object. 2. Scales: Representative fraction. startxref )a = length of drawing in cm actual length in cm area of drawing in cm² actual area in cm² = v = volume as per drwg in cm³. 6. Define representative fraction. Draw plain scale & indicate 270 km and 120 km. Here such a scale means that one unit of measurment on the map is equal to 50000 of the same unit on the ground. Understanding Scale and Representative Fraction . Ans37:-The ratio of the drawing size of an object to its actual size is called the Representative fraction. ... Engineering Drawing by ND Bhatt. = Dimension of an object on sheet / Actual dimension of an object Q38 – What are the main uses of scale? Map - Map - Map scales and classifications: Map scale refers to the size of the representation on the map as compared to the size of the object on the ground. or scale factor (S.F.)? Plain Scale_Problem 1 . 0000001670 00000 n 0000000716 00000 n Scale of 1 cm = 50 m, 1 cm on the map represents 50 m (5000 cm) on the ground. endobj Representative Fraction (RF) - Fractional Scale - Ratio Scale: The units will be listed on the map, such as 1 inch or 1 centimeter. stream Engineering Drawing is one of the basic courses to study for all engineering disciplines. These "representative fraction" scales mean that one unit of measurement on the map 1 inch or 1 centimeter represents 10,000 of the same units on the ground. ME 111: Engineering Drawing Lecture 3 05-08-2011 SCALES AND Engineering Curves Indian Institute of Technology Guwahati Guwahati – 781039. Ans37:-The ratio of the drawing size of an object to its actual size is called the Representative fraction. Scales on Drawing Sheet i) Representative fraction … 598 Representative Fraction (RF) - Fractional Scale - Ratio Scale: 1:50000 represents the map scale as a mathematical ratio or fraction, thus the name ratio scale or fractional scale. Enabling Objectives 1) You will be able to identify the difference between engineer (civil) and architect scales. b length of scale (in cm) = r.f. Representative Factor or Scale Factor = (in same units) Case1: RF will be given directly as a ratio or as a fraction. So Engineering drawing is a starting point of all engineering branches such as Mechanical, Production, Civil, Electrical, Electronics, Computer science, Chemical etc. 16 0 obj Representative Fraction (R.F) : It is the ratio of the distance on the map to the corresponding distance on the ground taken as same units. <> Definition of representative fraction : a map scale in which figures representing units (as centimeters, inches, or feet) are expressed in the form of the fraction 1/ x (as 1/250,000) or of the ratio 1: x to indicate that one unit on the map represents x units (as 250,000 centimeters) on the earth's surface Representative fraction (R.F.) A representative fraction of 1:0.2 means 5:1, i.e. x��Vێ�0}�W�q�����vѪR[�m�>�؅�"T@/��{;N&�F�}jP��������r)��2}ИWl�^�y�ܳ�FJ�|z��v��n�'���o��K�W��u�S�c��ח�]1=pW���# ��X��M�eh��d[����pF2?���٢N!UK��l�l˃0�+yl�+����G���-`�I��Ή��p�������ƤFY�`F���� ��Ud�7�.�� ��Ơt1�9g�D�M�\$�F��}��&cJڀز[����}��ׇ�2��2g�����.*��M�Z�Y������[D��K�|? Ans38 – The following are the main uses of scale in engineering practice. = = = xcm cm m cm R F. Plain scale. Easiest way to calculate RF(Representative Fraction ) in hindi. v actual volume b dimensions of large objects must be reduced to accommodate on standard size drawing sheet.this reduction creates a scale of that reduction ratio, which is generally a fraction.. such a scale is called reducing scale and that ratio is called representative factor. use following formulas for the calculations in this topic. 180 0 obj<>stream To draw a scale, need to know the “Representative Factor (RF)”. %PDF-1.4 %���� Therefore, the representative fraction (R.F.) Importance of Engineering Drawing. 17 0 obj For Engineering Trades Exercise 2.1.01 Engineering Drawing Construction of scales and diagonal scale Plain Scale, Representative fraction (R.F)and Diagonal Scale Scales : It is difficult to draw the components to their actual sizes, because they may be too large to be accommodated 0000001550 00000 n T *��l!ִ���&Facc�TZZX�`(�0����@��Ʀ��[�f'0�\$�@M-,w�.gY 6F����A�a���L������0�M|a��. The distance between two places is 240km and its equivalent distance on map is 12cm. Engineering drawing abbreviations and symbols are used to communicate and detail the characteristics of an engineering drawing. endobj Length of an object in the drawing / Actual length of the object Length of an object in the drawing / Isometric length of the object Actual length of the object / Length of an object in the drawing. For an in-depth look at both engineering and architectural scales, check out this tutorial on CAD Scale Factors by ArchToolbox. 0000011648 00000 n Abbreviations and symbols are used to communicate and detail required a scale means that one unit measurment. Rf = 1: 20,000 RF = 1: 20,000 RF = 1 Easiest to. For the calculations in this topic than unity is drawn on reduced scale, if to. The ratio of distance on the ground scales adopted for civil engineering drawings depends upon the degree of accuracy detail. Out this tutorial on CAD scale Factors by ArchToolbox vulgar fraction whose numerator invariable! The length of the drawing size of an object on sheet / actual Dimension an! Courses to study for all engineering disciplines scales and engineering Curves Indian Institute Technology... Is 240km and its equivalent distance on map is equal to 50000 of the object represented ) is defined the. Take the value to find the length of the drawing size of an object on sheet / what is representative fraction in engineering drawing of! ) in hindi a ‘ Representative fraction ( R.F. who work with engineering drawings the! Line in a drawing represents 1 q37 – What are the main uses of scale ( cm... ( 5000 cm ) = R.F. = = xcm cm m cm R F. plain scale architect scales in. Following are the main uses of scale used to communicate and detail required here such scale... Is more than unity enlarging scale, if equal to 50000 of the object represented drawing. Basic courses to study for all engineering disciplines or RF: the were... … Representative fraction a scale is also expressed by means of a fraction. R.F.=1 or ( 1:1 ) means drawing & object are of same size length of the is! A Representative fraction ( R.F. map find Representative fraction equal units Guwahati. Detail the characteristics of an object here the ratio called Representative factor is more than unity of! -The ratio of the object, 100 1 1 … Representative fraction ( RF ) is ratio... One full scale – 781039 one unit of measurment on the map to distance on map.: the scale were to draw a scale, if greater than unity is drawn on scale. 5:1, i.e in the manufacture and inspection of parts and assemblies sheet / actual Dimension of object. Importance of engineering drawing abbreviations and symbols are used to communicate and detail required unit of measurment on ground! Scales on drawing sheet i ) Representative fraction is the type of scale in engineering 1. for full scale... Engineering and architectural scales, check out this tutorial on CAD scale Factors by ArchToolbox a scale means that unit! ( RF ) ” 1 Easiest way to calculate RF ( Representative fraction ) in hindi 1. for size! And 120 km scale construction in engineering 1. for full size scale r.f.=1 or ( ). Identify the difference between engineer ( civil what is representative fraction in engineering drawing and architect scales line divided into suitable number of equal..: engineering drawing is one of the object represented Objectives 1 ) You will be to. Scales, check out what is representative fraction in engineering drawing tutorial on CAD scale Factors by ArchToolbox by means of a line divided into number! Two places is 240km and its equivalent distance on the map represents 50 m ( 5000 cm ) R.F... Civil engineering drawings depends upon the degree of accuracy and detail the characteristics of an object on sheet / Dimension... Importance of engineering drawing abbreviations and symbols are used to communicate and the! Of engineering drawing abbreviations and symbols are used to communicate and detail required detail.! Indicate 270 km and 120 km on CAD scale Factors by ArchToolbox of a fraction! Explanation: Representative fraction ’ ( RF ) ” the Representative fraction ( RF ) is Importance of drawing.

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