T3 2023 Graphical Communication Exam

Question 1

What is CAD?

Answer 1

CAD is the use of computer-based software to aid in design processes.

Question 2

What is Sketching?

Answer 2

Sketching is when you draw something by hand.

Question 3

What are advantages of CAD?

Answer 3

Saves time, Decreases errors, File sharing

Question 4

What are advantages of sketching?

Answer 4

Quick, No specialist equipment, Cheap

Question 5

What are drawing standards?

Answer 5

Drawing standards are the conventions and guidelines that define how engineering drawings are created.

Question 6

What are the Australian drawing standards?

Answer 6

It is AS 1100, and it supports drawings all around Australia.

Question 7

What is an auxiliary view?

Answer 7

Auxiliary views are what show a surface of the shape to the exact proportions.

Question 8

What is a section view?

Answer 8

A section view is a view used on a drawing to show an area or hidden part of an object by cutting away or removing some of that object. (Diagonal Lines)

Question 9

What is an external thread?

Answer 9

External threads are those on bolts, studs, or screws.

Question 10

What is an internal thread?

Answer 10

Internal threads refer to those on nuts and tapped holes.

Question 11

What is a counterbore?

Answer 11

A cylindrical flat-bottomed hole that enlarges another coaxial hole. U

Question 12

What is a countersunk hole?

Answer 12

A countersink is a tapered hole drilled with a wide outer portion. V

Question 13

What is a cavalier projection?

Answer 13

Where receding lines are true length and 45 deg.

Question 14

What is a cabinet projection?

Answer 14

Where receding lines are foreshortened by half.

Question 15

What should a typical parts list include?

Answer 15

Part number, Manufacturing material, No. of parts needed

Question 16

What does a M12 x 1.3 thread indicate?

Answer 16

It implies that it has a metric thread of 12mm diameter and 1.3mm pitch between thread crests.

Question 17

What do circular shapes appear as when they are viewed at an angle other than 90 deg?

Answer 17

Elliptical (ovular)

Question 18

What is a chamfer of 2mm thick and an angle of 45 deg dimensioned as?

Answer 18

2 x 45

Question 19

What is a leader line?

Answer 19

A leader line is a line that establishes a connection between a graphical representation of an item and some text.

Question 20

What is a dimension line?

Answer 20

Dimension line is a thin, solid line that shows the extent and direction of a dimension.

Question 21

What is an extension line?

Answer 21

Extension line is a thin, solid line perpendicular to a dimension line, indicating which feature is associated with the dimension.

Question 22

What can a pictorial view be?

Answer 22

Oblique, Isometric, Perspective

Question 23

What is the difference between isometric projection and drawing?

Answer 23

Isometric drawings are full scale, and isometric projections have all edges foreshortened by 0.8 and is a true projection.

Question 24

Disadvantages of CAD?

Answer 24

File loss, Expensive, Training

Question 25

Disadvantages of sketching?

Answer 25

Not as accurate, Sketching skills needed

Question 26

What is a fillet?

Answer 26

A fillet is a rounded corner or transition between two surfaces.

Question 27

What is a round?

Answer 27

A round is a rounded corner on the outer corner that is smoothed to a radius.

Question 28

What is nominal diameter?

Answer 28

It is the approximate diameter of a surface.

Question 29

What is a pitch?

Answer 29

Pitch is the distance from a point on the screw thread to a corresponding point on the next thread measured parallel to the axis.

Question 30

What is line spacing?

Answer 30

It is the space between lines when dimensioning, it should be 0.7mm or greater.