$1\mathrm{.}1$ Communication using engineering drawings is important in the industries. What is the most effective way of communicating the size, shape and details of a single component or an assembly.

$(2)$

$1\mathrm{.}2$ Briefly explain the difference between the drawing and sketch.

$(4)$

$1\mathrm{.}3$ Name six important information required on the drawing.

$(6)$

$1\mathrm{.}4$ Name any six types of lines on the drawing.

$(6)$

$1\mathrm{.}5$ Mention two types of orthographic projection.

$(2)$