DT 6-8

Question 1

What is a composite

Answer 1

A material made by combining two or more different materials to create a new one that has better properties

Question 2

Types of composites (3)

Answer 2

Kevlar®
CFRP
GRP

Question 3

Kevlar® is made of

Answer 3

Synthetic fibres

Question 4

CFRP is made of

Answer 4

Carbon fibre + resin

Question 5

GRP is made of

Answer 5

Glass fibre + resin

Question 6

Properties of Kevlar® (3)

Answer 6

Strong, light, heat-resistant

Question 7

Properties of CFRP (3)

Answer 7

Very strong, light, stiff

Question 8

Properties of GRP (3)

Answer 8

Strong, waterproof, cheaper

Question 9

Common uses of Kevlar® (1)

Answer 9

Helmets

Question 10

Common uses of CFRP (3)

Answer 10

Cars, aircraft, bikes

Question 11

Common uses of GRP (3)

Answer 11

Boats, cars, tanks

Question 12

State the different types of Market Forms of timber (4)

Answer 12

Planks, boards, strips, dowels

Question 13

State the different types of Market Forms of metals (4)

Answer 13

Sheets, rods, bars, tubes

Question 14

State the different types of Market Forms of plastics (4)

Answer 14

Sheets, rods, blocks, tubes

Question 15

Tools used to cut plastic (2)

Answer 15

Hacksaw
Portable Power Tools

Question 16

Tools used to cut metal (3)

Answer 16

Hacksaw
Guillotine
Portable Power Tools

Question 17

Tools used to cut wood (4)

Answer 17

Tenon Saw
Cross-Cut Saw
Panel Saw
Portable Power Tools

Question 18

Define Datum

Answer 18

A flat or straight reference surface used to measure or mark accurately.

Question 19

How do you create a datum

Answer 19

By planing or filing one flat edge or surface of the material

Question 20

State the Basic Measuring Tools (4)

Answer 20

Steel Rule
Pencil / Marking Knife
Marker Pen
Scriber

Question 21

State the use of Steel Rule

Answer 21

General measuring in mm

Question 22

State the use of Pencil

Answer 22

For wood, temporary

Question 23

State the use of Marking Knife

Answer 23

More accurate, permanent cut line

Question 24

State the use of Marker Pen

Answer 24

Used on plastics or rough surfaces

Question 25

State the use of Scriber

Answer 25

Scratches a fine line on metal for accurate marking

Question 26

State the Marking Out Tools for Accuracy (9)

Answer 26

Try Square Bevel Mitre Square Centre Square Dividers Calipers (inside, outside, odd-leg) Dot / Centre Punch Template Marking / Cutting / Mortise Gauges

Question 27

State the use of Try Square

Answer 27

Marks 90° angles (right angles) on wood

Question 28

State the use of Bevel

Answer 28

Marks angles (can be adjusted to any angle)

Question 29

State the use of Mitre Square

Answer 29

Marks 45° angles

Question 30

State the use of Centre Square

Answer 30

Finds the centre of round objects

Question 31

State the use of Dividers

Answer 31

Mark circles or distances on metal

Question 32

State the use of Calipers (inside, outside, odd-leg)

Answer 32

Measure thicknesses, holes, distances on curves or cylinders

Question 33

State the use of Dot / Centre Punch

Answer 33

Makes a small dent in metal before drilling

Question 34

State the use of Template Marking / Cutting / Mortise Gauges

Answer 34

Pre-cut shape used for marking outlines

Question 35

State the use of Marking / Cutting / Mortise Gauges

Answer 35

For wood: draw parallel lines to the edge, or set out mortise joints

Question 36

Tools to produce Datum Lines (3)

Answer 36

Surface Plate Scribing Block Calipers

Question 37

Use of Surface Plate

Answer 37

Very flat base used for accurate marking on metal

Question 38

Use of Scribing Block

Answer 38

Used with surface plate to mark straight, level lines

Question 39

Use of Calipers

Answer 39

Can also be used to measure and mark out accurate distances from the datum edge

Question 40

State the Measuring Tools for Fine Accuracy (3)

Answer 40

Micrometer Vernier Gauge Digital Caliper

Question 41

Arrange the highes-lowest level of accuracy of the Measuring Tools for Fine Accuracy

Answer 41

Micrometer Vernier Gauge Digital Caliper

Question 42

Use of Micrometer

Answer 42

Measures very small items like wire or thin metal

Question 43

Use of Vernier Gauge

Answer 43

Measures inside, outside, and depth distances

Question 44

Use of Digital Caliper

Answer 44

Easier to read and still very accurate