What is mechanical drawing?
It is a type of technical drawing that shows information about an object or a building.
How must the info in mechanical drawing be?
As it must give specific information, it must be precise, accurate and understandable.
Can you list 4 geometric elements of a plane figure?
Points, lines, angles and curves.
Types of lines are defined by...
Width, shape and length
Shape, width and length
thickness, width and shape
Thickness, length and width
What's a freehand sketch?
It's the starting point of every technical drawing.
List at least 4 basic tools used for technical drawing.
Paper, mechanical pencil, drafting table, set square or T-square, compass, protractor...
What is the projection technique?
It's a technique used to represent three dimensional objects on a 2 dimensional surface.
What are the 2 most important projections in the projection technique?
Parallel projection and central projection
How are the lines portrayed in parallel projection?
parallel to the surface and perpendicular to each other
parallel to each other and perpendicular to the surface
Ortographic, oblique and axonometric are types of...
Parallel projection
Central projection recalls the way...
Human eyes observe an object
In central projection, the horizon lines meet at a point called...
Vanishing point
There can be more than 1 vanishing point in centra projection.
YESSSSS
NOOOOO
Is Coputer-aided drawing better than freehand sketching? Why?
It's much better! It helps avoiding mistakes, and when you make an error, you don't have to start all over again.
What is CAD?
CAD is a type of software used by designers for precision technical drawings.
