Engineering Drawing Test 2

A detailed drawing is an orthographic projection with. ..

dimensions, notes, manufacturing specifications, and everything necessary to manufacture the part.

dimension generally take the form of. .

linear dimensions, angular dimensions, and notes

which line type never has an arrow head?

extension

what is this? ↧

depth

what is this? ⌵

countersink

what is this? ⌴

counterbore

what is this? ⌯ or =

symmetry

What is the X symbol used for?

repeated features and chamfer

what is a reference dimension given within?

parentheses

what does a repeated feature dimension look like?

2X 45°

what does a chamfer dimension dimension look like?

2 X 45°

leader lines should not be

horizontal, curved, vertical

what do you put when a hole goes all the way through an object but you cannot clearly see it?

THRU

how many decimal places are millimeters given?

0 or 1

how many decimal places are inches given?

2

when rounding what do you do when the third decimal is 5?

if the second decimal is odd then round up, if even keep the same.

what temperature are all dimensions assumed to be at?

20C

what is the command to make a circle in 3d view?

ellipse

what are the types of pictorial drawings?

axonometric, oblique, perspective

what is true about front and back views in orthographic projection?

they are mirror images with different line types

what is the isometric pictorial?

the drawing is drawn to scale and at a 30 angle

what are the three type of axonometric projections?

isometric, dimetric, trimetric

what are the three types of oblique projections?

cavalier, cabinet, general

what are the types of perspective projections?

one point, two point, three point

what scale should an isometric pictorial be drawn at to look more realistic?

80%

Before starting an isometric drawing in Auto-CAD the drafter needs to:

set the grid to isometric