Other books in the series are: (ii Elements of Electrical Engineering, (ii) Workshop practice, and (iii) Elements of Mechanical Engineering. ... The book will also be useful in the earlier stages of polytechnic diploma courses. ... The book excludes complicated details and discusses only the essentialsfof a wide range of topics in engineering drawing. ... level anl the objectives and the specifications sought to b tested-all these were to be considered while framing a good question paper.