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Jun 2, 2017

EBOOK - Mechanical Engineer’s Pocket Book (Roger Timings)


EBOOK - Kỹ thuật cơ khí - Tác giả: Roger Timings (768 Trang).

It is now 14 years since the first edition of the Mechanical Engineer’s Pocket Book was published in its present format. Although a second edi-tion was published some 7 years ago to accommodate many updates in the British Standards incorporated in the text, no changes were made to the structure of the book.
During the 14 years since the first edition of the Mechanical Engineer’s Pocket Book was published, the British Engineering Industry has under-gone many changes, with the emphasis moving from manufacture to design and development. At the same time manufacturing has been largely out-sourced to East Europe, Asia and the Far East in order to reduce operating costs in an increasingly competitive global market.


1 Engineering Mathematics 1
1.1 The Greek alphabet 1
1.2 Mathematical symbols 1
1.3 Units: SI 2
1.3.1 Basic and supplementary units 2
1.3.2 Derived units 2
1.3.3 Units: not SI 3
1.3.4 Notes on writing symbols 4
1.3.5 Decimal multiples of units 4
1.4 Conversion factors for units 4
1.4.1 FPS to SI units 5
1.4.2 SI to FPS units 5
1.5 Preferred numbers 6
1.6 Mensuration 6
1.6.1 Plane figures 6
1.6.2 Solid objects 9
1.7 Powers, roots and reciprocals 13
1.8 Progressions 16
1.8.1 Arithmetic progressions 16
1.8.2 Geometric progressions 16
1.8.3 Harmonic progressions 17
1.9 Trigonometric formulae 17
1.9.1 Basic definitions 17
1.9.2 Identities 18
1.9.3 Compound and double angle formulae 18
1.9.4 ‘Product and sum’ formulae 18
1.9.5 Triangle formulae 18
1.10 Circles: some definitions and properties 19
1.10.1 Circles: areas and circumferences 20
1.11 Quadratic equations 21
1.12 Natural logarithms 21
1.13 Statistics: an introduction 21
1.13.1 Basic concepts 21
1.13.2 Probability 22
1.13.3 Binomial distribution 22
1.13.4 Poisson distribution 23
1.13.5 Normal distribution 23
1.14 Differential calculus (Derivatives) 24
1.15 Integral calculus (Standard forms) 26
1.15.1 Integration by parts 28
1.15.2 Definite integrals 28
1.16 Binomial theorem 28
1.17 Maclaurin’s theorem 28
1.18 Taylor’s theorem 28
2 Engineering Statics 29
2.1 Engineering statics 29
2.2 Mass, force and weight 29
2.2.1 Mass 29
2.2.2 Force 29
2.2.3 Vectors 30
2.2.4 Weight 31
2.2.5 Mass per unit volume (density) 31
2.2.6 Weight per unit volume 31
2.2.7 Relative density 32
2.2.8 Pressure (fluids) 33
2.3 Vector diagrams of forces: graphical solution 34
2.3.1 Resultant forces 34
2.3.2 Parallelogram of forces 34
2.3.3 Equilibrant forces 36
2.3.4 Resolution of forces 36
2.3.5 Three forces in equilibrium (triangle of forces) 37
2.3.6 Polygon of forces: Bow’s notation 37
2.3.7 Non-concurrent coplanar forces (funicular link polygon) 39
2.4 Moments of forces, centre of gravity and centroids of areas 41
2.4.1 Moments of forces 41
2.4.2 Principle of moments (related terminology) 42
2.4.3 Principle of moments 43
2.4.4 Equilibrium 45
2.5 Orders of levers 47
2.5.1 First-order levers 47
2.5.2 Second-order levers 48
2.5.3 Third-order levers 49
2.6 Centre of gravity, centroids of areas and equilibrium 49
2.6.1 Centre of gravity (solid objects) 49
2.6.2 Centre of gravity of non-uniform and composite solids 49
2.6.3 Centre of gravity (lamina) 51
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