Textbook of Engineering Drawing, Second Edition

__ Lettering and Dimensioning Practices 2.5 Construction Lines: Type 01.1 (Continuous narrow Lines) Construction Lines are draw ...

2.6 Textbook of Enginnering Drawing-------------------- ..c Fig. 2.6 Understanding the various types oflines used in drawing (i. ...

__ Lettering and Dimensioning Practices 2.7 Precedence of Lines When a Visible Line coincide with a Hidden Line or Center Line, ...

2.8 Textbook of Enginnering Drawing-------------------- Note: Lettering in drawing should be in CAPITALS (i.e., Upper-case lette ...

___ Lettering and Dimensioning Practices 2.9 2.3.7 Lettering practice Practice oflettering capital and lower case letters and nu ...

2.10 Textbook of Enginnering Drawing--------------____ Fig. 2.9 Inclined Lettering Space between letters should be approximate ...

___ Lettering and Dimensioning Practices 2.11 Numerals For numerals 0 to 9, the ratio of height to width = 10 : 5. For I, ratio ...

2.12 Textbook of Enginnering Drawing------------------ Fig. 2.11 Vertical capital & Lowercase letters and numerals of type B ...

__ Lettering and Dimensioning Practices 2.13 Rounds and Fillets R3 General Note ~ I\J (^54) r Extension line DimensIon ..., I L_ ...

2.14 Textbook of Enginnering Drawing------------------ 13 26 CORRECT INCORRECT Fig. 2.14 Placing the Dimensions where the Shape ...

__ Lettering and Dimensioning Practices 2.15 22 52 Correct 52 Incorrect Fig. 2.17 Marking of Extension Lines Correct Incorrect F ...

2.16 Textbook of Enginnering Drawing------------------ Fig. 2.20 Dimensioning a Tapered Feature A leader line is a line referri ...

__ Lettering and Dimensioning Practices 2.17 When a radius is dimensioned only one arrow head, with its point on the arc end of ...

2.18 Textbook of Enginnering Drawing------------------ (a) (b) Fig.2.26 Angular Dimensioning 70 f20 .30 +50 30 26 10 75 (a) (b) ...

_____ Lettering and Dimensioning Practices 2.19 2.5 Arrangement of Dimensions a ..:# o Fig. 2.30 Fig. 2.31 Fig. 2.32 The arrange ...

2.20 Textbook of Enginnering Drawing------------------ ('I) ~ ('I) (Q 16{) 30 85 l!i Fig. 2.33 Chain Dimensioning tv , 64- 1 ...

__ Lettering and Dimensioning Practices 2.21 Violation of some of the principles of drawing are indicated in Fig.2.36a. The corr ...

2.22 Textbook of Enginnering Drawing----------------__ ~100 H-120 (a) Incorrect (a) Incorrect 1+--- 40 ----+I (a) Incorrect 40$ ...

___ Lettering and Dimensioning Practices 2.23 -:.- o '" I o '" o '" ..... (b) Correct Fig. 2.40 (^0) ~ 15 20 Fig. 2.41 35 Fig. 2 ...

2.24 Textbook of Enginnering Drawing-----------__ _ 1l1li 15 (^5 30) ~ 40 ,I Fig. 2.44 I I -+I I 20 ~ 14-I ~ .J .1_ 40 Fig. 2. ...