Textbook of Engineering Drawing, Second Edition

4.8 Textbook of Enginnering Drawing------------------ To construct a pentagon, given the length of side. (a) Construction (Fig. ...

____ Geometrical Contructions 4.9 Fig. 4.14 Where this arc cuts the vertical centre line number the point 6. This is the cent ...

4.10 Textbook of Enginnering Drawing------------------ C E / '"" /' '\ , / /~ \.. / , F ! "-"-, \ "" I "- A , H 0 J B Fig. 4.15 ...

-----____ Geometrical Contructions 4.11 B p Q Fig. 4.17 c To draw an arc of a given radius, touching two given straight lines m ...

4.12 Textbook of Enginnering Drawing------------------- With 0 as centre, draw the given circle. P is any point on the circle a ...

__ Geometrical Contructions 4.13 section p 8-B 4.2.1 Circle c-Ellipse section plane D-D section plane c-c e-Hyperbola Fig. 4.20c ...

4.14 Textbook of Enginnering Drawing-------------------- 4.2.5 Conic Sections as Loci of a Moving Point A conic section may be d ...

_____ Geometrical Contructions 4.15 c D 50 VF =1 VA Fig. 4.22 Construction of a Parabola -Eccentricity Method To draw a normal a ...

4.16 Textbook of Enginnering Drawing·-----------__ _ c T A o K Fig. 4.23 Fig. 4.24 ...

_____ Geometrical Contructions 4.17 Other Methods of Construction of Ellipse Given the dimensions of major and minor axes the el ...

4.18 Textbook of Enginnering Drawing------------------ Draw the major (AB) and ninor (CD) axes and locate the centre O. Locate ...

---------------------Geometrical Contructions 4.19 Repeat steps 3 to 5 to obtain the points in the remaining three quadrants. J ...

4.20 Textbook of Enginnering Drawing------------------ 3 A ~-+--------~--------~--~ B 9 120 Fig. 4.29 Concetric Circle Method &l ...

---------------------'GeometricaIContructions 4.21 Other Methods of Constructing Parabola To draw a parabola with 70 mm as base ...

4.22 Textbook of Enginnering Drawing------------------ Draw the base AB and axis CD such that CD is perpendicular bisector to A ...

---------------'----------Geometrical Contructions 4.23 T A B 2 3 40 70 Mg. 4.34 Construction of a Hyperbola With centre F I an ...

4.24 Textbook of Enginnering Orawing------------------ I A-+--~~+_~-~+_-~--B F, Fig. 4.35 Drawing asymptotes to a hyperbola Rect ...

--------------------_GeometricaIContructions 4.25 Parabolic Curve The parabolic curve fmds its application for reflecting surfac ...

4.26 Textbook of Enginnering Drawing--------.,-..,...---------- Eccentricity e = VI FI / VI A = VI F2 / VIB therefore VI F 2 -VI ...

_____ Geometrical Contructions 4.27 Problem : A stone is thrown from a building of 7 m high and at its highest flight it just cr ...