Applied Technology

Question 1

1Layer height in 3D printing mainly affects

Hard

A. colour B. surface finish and print time C. nozzle temperature only D. filament type

Question 2

2G-code instructs a CNC machine

Easy

A. how to sell products B. when to close C. where and how to move the tool D. what colour to paint

Question 3

3Designing a product so that it is easy and cheap to make is

Easy

A. marketing B. reverse engineering C. design for manufacture D. quality control only

Question 4

4Support structures in 3D printing are needed for

Easy

A. overhanging parts of the model B. flat bases C. colour changes D. cooling

Question 5

5CNC machines are programmed with instructions commonly written in

Easy

A. Morse code B. G-code C. HTML D. shorthand

Question 6

6A CNC lathe is used for

Easy

A. painting B. turning cylindrical parts automatically C. printing paper D. welding sheets

Question 7

7Design for manufacture means

Easy

A. ignoring production B. designing products so they are easy and cheap to make C. making one-off art D. designing only for looks

Question 8

8A laser cutter cuts materials by

Easy

A. focusing a powerful beam of light to burn or melt them B. grinding C. hammering D. sawing with a blade

Question 9

9Linking a CAD drawing directly to a machine that makes the part is

Easy

A. manual drafting B. CAD/CAM C. casting D. freehand sketching

Question 10

10Infill in 3D printing refers to

Easy

A. the filament spool B. the printer brand C. the internal structure of a printed part D. the outer colour