CATEGORIES OF ENGINEERING DRAWING

In general, engineering drawing can be divided into two. It is :-

1) Geometrical Drawing

2) Related Drawing

Geometrical Drawing

In can be divided into :-

i. Plane Geometry
 The drawing is made in 2D

ii. Solid Geometry
 3D drawing - has width, length and height.
 Can be used as refenrence for clarification of a drawing

Related Drawing

It is drawn based on the standard symbols used in engineering field. The finished drawing incorporate all the technical details and information in it. Related drawing are divided based on the engineering fields such as :-

a) Electrical Engineering Drawing

i. Electrical Drawing

 It used to show wiring
 Also show location of electrical transformer according to specific wiring rules.

ii. Electronic Drawing

 Shows the connected electrical component symbols arrange according to the schematic circuit.

b) Civil Engineering Drawing
i. Building Drawing
 Shows the design specifications of a building

ii. Piping Drawing
 Shows the piping system of a building.

c) Mechanical Engineering Drawing
The drawing givens a detailed description of the shape and size of a machine component. They are many types of mechanical drawing, among them :-
i. Component Drawing

ii. Sectional Drawing

iii. Assembly Drawing

iv. Working Drawing