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TEST BANK FOR ENGINEERING DRAWING 53RD EDITION BY N. D. BHATT ISBN- 9789380358963
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TEST BANK FOR ENGINEERING DRAWING 53RD EDITION BY N. D. BHATT ISBN- 9789380358963
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, Download From - www.cgaspirants.comAffectionately dedicated
to all my
and
It gives me plea.~ure·to introduc~ this tex~~book .Qn. Engineering Drawing by
Prof. N•. D;. Bhattofthe BirlaVishvakarmaMahavidyalaya to stu.dents of Engineering;
Prof. Bhatt ha~ been teaching this subject for over twenty years and has deservedly
earned. the}$!ptttation of being. one 4)f the best teachers in the subject.
This book coyers the prescribed for the Pre-engineering and
FirstY~ar of the Degree course:5 ln Engineering and deals with the
Jundafoental subj~ct which have been')re·ate!l by
ProCBhatt lucidity. · ·
.June 6, '1958.
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From the very early days, man realized that if he had to construct any structure or
machine correctly and methodically, he must first record his ideas before starting construction
work. These recorded ideas become more vivid and forceful if they are shown on paper in
form of a drawing of the structure or machine. Such a drawing will be of very great help
to the man who looks after the construction of this structure or machine.
Indeed, "technical drawing is the language of engineering Without the good kmJwledge
0
•
of drawing, an engineer is nowhere and he could not have constructed the various magnificent
structures .or intricate machines. Evidently, any one connected in any way, with engineering
construction must understand this language of engineers. Technical drawing is, therefore,
indispensable today and shall continue to be so as long as engineering and technology
continue to be of use in the activities of man.
By means of drawing, the shape, size,. finish, colour and construction of any object
(no matter how complex) can be de$~f.iP:la~f'iicCurately and clearly. The engineer should
develop his skill, in two phases of. \~~lj~it,1 ~r~~i11g; first, he must be. able to draw dearly
and rapidly, the freehand technis~:~~,tcnes; $~. 9:~
.. must be proficient in drawing to
scale the instrumental dra"".illgts'1~~]pu~~e>$e of, .. ·. ,pre1,ent volume is to give the basic
principles of the instrum.~r;i'~~L~K~~tng ?lllY· •· ;;: /• \;
The book covers ~e syllabi in fngipe~ring JJ)ra.wir,ig otc•ri;i~ny University Colleges and
Polytechnics in lndi.,l'and has been, writte~.k · fo · in view the difficulties of a beginner
in the subject of ;Engineering Drawing; I <a~ .. . hopeful that;this book will serve its
purpose very welf; for young and •buddiog engineers. \•
I am highly.ipdebted to Prindpal S.B, . Junnarkar for his valualll~ guidance and for his
kindness to wri~ a suitable foreword f?r thebook, I am also thankf~l to Prof. V. B. Priyani
of Birla Vishvak~rma Mahavidyalaya. fe>rgoing througti thejriitial man~script .and for offering
constructive su~estions. Fi11ally, J.,i~el grate£ul· Jo the f~Uowing: !~
(i) The authot;ities of the.Universities of Bombay, Poprta and Gujarijt, and the Department
of Technical Edu~ation, Boml:!ay, fol' t~eir kind percn:iission to inclu(Je a few questions set
at their examinatiQ!ls. (ii) Mr. N•• M. Paqc~al and Mi'. ~- D. Bhatt fQi' their help in preparing
pencil sketches. (iii) Mr. L O~ Bhatt for pr · ing the excellent typed manuscript;
(iv) Mr. Ramanbhai ·.C. Patel ()f Charcitar. Book .. . foc.carefu\,proof-reading and for his
efforts to see the boq~ out in Pf()P~f tjftle: M ..Jlie ~~~.~· Presf,:authorities for the care and
interest shown Jf! the' printing arid set·t1r:vof ,b061t '(vi) Tfi~ Prabhat Process Studio for
the promptn~ss and good worlc 9f bJ~k".ma •.. . ; . 8
Any suggestion to improve the value. of ·this bo~k will be gratefullyt•received and will
D~.:~:
be incorpo~~ted subsequent> e.clitions aft~r due s.crµtiny~ ·
June u:: ::p:liffton,, ihe
inspiration of the Indian
furidamenil::.n:.
stries in a large measure have
switched on to the third-angle projection system. So have a vast majority of Technical
Institutions. "Elementary Engineering Drawing", too, must keep step with the changes. There
was a phased change-over beginning with the .seventh edition. This edition .has completed
the change. Nevertheless, the first-angle projection system has not been altogether discarded.
The fundamentals of both the systems· are juxtaposed and elucidated.
The chapters on (i) · Development of surfaces, (ii) Isometric projection and (iii) Conversion
of pictorial views into orthographic views have been treated in some greater depth. This
and the increase of the illustrative problems and practice exercises have evidently enlarged
the size of the book and inevitably led to a little rise in price.
I should not miss this opportunity to record my gratitude to the numerous teachers
for their very useful suggestions and the students for their excellent response to the book,
without which this edition should not have come into being.
January 26, 1970 N. D. BHATT
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vii
The first edition was originally published in 1958 and now has entered in its 42nd
Edition during 42 years, proves its popularity and utility among the teachers as well as the
students of Engineering Institutions of our country.
This edition has been entirely revised and enlarged by adding the following four chapters:
(1) Screw Threads (2) Screwed Fastenings (3) Riveted Joints and Welded Joints
(4) Computer Aided Drafting.
It was thought desirable to include this fourth chapter on 'Computer Aided Drafting'
which has now acquired an important place in this subject. We are thankful to Or. S. S. Khandare
of Y. C. College of Engineering, Nagpur for contributing this chapter. We are also highly
obliged to Shri R. C. Patel of Charotar Publishing House, Anand for correcting the Proofs.
This book provides a wealth of inforrriati~n a,nd describes an exciting new paradigm and
is also a valuable tool for all the Engine<"!ri~g s~udents, who wish to deepen and acquire
a sound knowledge of this important subject. (language of Engineers) without which a really
satisfactory progress c~nnot be achieved in an)': l:>ranch of Engineering.
We shall feel obliged .to receive comments, suggestions and opinions from the readers
to enhance the utility of the book. ·
August 15, 2000 N. Q. BHATT
V. M. PANCHAL
HFTH:TH
We are inundated with joy to present before you the FIFTIETH ED1t.ION of this most
stan.dard text~book. At the outset, we would like to mention that splendid response to
eai'Uer editions .is pr()digious. Despite such favourable responses, it was feltJhat .the utility
of the book could be .further enhanced. This is one of the most comprehensive revisions
since the book was first published. As a result, all the drawings have b~en ,redrawn with
utmost. intelligibility. Many. new· examples, drawings .are incorporated along with .. ~Q,tle new
text matter. This text-book is thoroughly revised, extensively. enlarged, comple~~fyt updated.
Chapter on. Computer Aided Drafting (CAOr) is entirely rewritten with inclusion of fO ~Jf{Jnteraetive
and self-leamingpractice modules, Jhis book accompaniea by a computenco as a novel
pedagogical cone.ept, containing 51 sele<I~ed audiovisual ;mimation module~, presented for
better visualization and understanding pf the. subject of Engineering •Or~vvin~: . }
We take this opportunity to thank Prof; \f. •M1 Panchal, Former Professof.in •Nlechanical
Engineering, Faculty of Technology and Engineering, M. S. University of Bare>da f~r revising
the entire book and adding man.y\rew typical examples; We express OU,(, hearty,, gratitud~
to Prof. Pramod R. Ingle, ~eftµrer in Mechanical Engineering, B and B lnstit~fe of Technology,
Vallabh Vidyanagar . f()r ·redraw all the drawings with !)tecision, rewriti~g· the chapter on
Computer Aide~ /Drafting (CAOr) and revising t~e entire book. ·
We are also indebted to Prof. R. S. Bhatt, Associate Professor i.n M~chanica! Engineering,
Birla Vishvakarma Mahavidyalaya {Engineering Colle,ge), Vallabh Vidyanagar,. Anand;
Prof. .Mukesh A. Bulsara, Assistant Professor in Mechanical Engineering, G. H. Patel College
of Engineering and Technology (GCET), Vallabh Vidyanagar, Prof. N. V. Patel, Ex~Professor,
L 0. Engineering College, Ahmedabad who were kind enough to send their suggestions to
us for the improvement of the book. We are also grateful to Prof. S. H. Makwaoa, lecturer
in Mechanical Engineering, B & B Institute of Technology, Vallabh Vidyanagar, who spared
no efforts in the..tedious task of diligently correcting the final proofs. We are sincerely
thankful to Cognifront, Nasik for preparing a unique CO and Repro India ltd., Mumbai for
their hearty co-operation and excellent printing of the book.
In spite of all the pains taken, it is possible that some errors may have escaped our attention.
We shall be grateful if they are brought to our notice by sending e-mail at charotar@cphbooks.com,
so that they can be corrected in subsequent edition. We strongly urge the readers to send
their comments, suggestions and opinions to enhance the utility of the book.
August 24, 2010 PUBLISHERS
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