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FINAL DESIGN > 5.2 > Flashcards

5.2 Flashcards

1
Q

what factors consdiered when choosing timber

A

aetshteics
physical proeprites
sutiability for location
ease of machine
cost
avalability
constency in quality
waste?

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2
Q

timber aestehtcis

A

grain
pattern
colour
finsih
touch]

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3
Q

what are soft woods

A

timber from broad leaf trees
slow growing
deciduous trees

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4
Q

what are soft woods

A

timber from confieruosu trees
fast growing

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5
Q

examples of hard woods

A

oak
teak
beacch

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6
Q

eg of softwood

A

pine
spruce
doglas fir

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7
Q

preoprties of oak

A

hard
tough
attarctive grain
weatjer resitance

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8
Q

what does oak contain that can cdammage steel fixing or screws and shit

A

tannic acid

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9
Q

uses of oak

A

furntiture
flooirng
cladding
inetrior exterior joinery

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10
Q

proeprties and characteristics of teak

A

hard
tough
streight grain
natural oils

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10
Q

what do teaks natrual oils resit

A

moisture
acids
alkalis

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10
Q

uses of teak

A

aoutdoor furntiture
benches
deck boats

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11
Q

proeprties and characteristics of beech

A

hard
tough
close grain
avalabile in steamed and unsteamed

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11
Q

meanign fo stemaed and unsteamed beech

A

steamed = white colour
unsteamed = pink tinge

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12
Q

uses of beech

A

chairs
chopping boards
tools, eg mallets
kitchen ware
turned bowls

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13
Q

proeprties and characteristics of pine

A

straigh grain
knotty
can contain resinous knots

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14
Q

what is pine also knwon as

A

European red wood

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15
Q

uses of pine

A

indoor furntiture

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16
Q

proeprties and characteristics of spruce

A

straight grain
restiant to splitting

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17
Q

uses of spruce

A

indoor furntiture

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18
Q

proeprties and characteristics of douglas fir

A

straight/slight wavy grain
few knows
stable
good corrosion resistance

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19
Q

uses of fir

A

veneers
plywood
joinery
construction work

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20
Q

types of manfuactured boards

A

laminated baoards
compressed baords

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21
Q

what are laminated boards

A

layers glued together in a well organsied structrue with a syntehtci resin that sets rapidly udner heat and pressure

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22
Q

what are compressed baords

A

made from chips strands and particles of timebr glued udner comrpessive forces

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23
Q

why is manufactrued baords better than natrual timebrs

A

available in large sheets
dimensionally stable
constsen proeties
pre finsihed
envriomental ebenfit

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24
Q

enviro benefits fo manufactured boards

A

made from low grade timbers
utilise wastage fromother manfuacture

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25
Q

examples of laminated board

A

ply wood
flexible ply wood

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26
Q

hwo si ply wood made

A

thin layers of wood placed adn glued 90 degrees to eachother and comrpessed

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27
Q

proeprties of ply wood

A

good strength in all directions
no grain weakenss

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28
Q

does ply wood have even laeyrs

A

no always odd

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29
Q

what si MDF

A

compressed wood fibres

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30
Q

what sometiems is used as an additional resin for mdf

A

urea formalhydge

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31
Q

proeprties and characteristics of mdf

A

2 smooth faces
avalible in either standard grade or veneered with layer of timebr

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32
Q

uses of ply wood

A

structural work
desk tops
indoor furtniture
floor baords

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33
Q

uses of flexible plywood

A

laminaetd board
curved panels

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34
Q

uses of mdf

A

model or mould mking
furntiture

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35
Q

furntiture that may be made of mdf

A

book cases
cabinets
desks

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36
Q

hwo is block baord made

A

layers of strips of laminated timebr whcich run perpendicular to the baords surfaces

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37
Q

uses of block baord

A

indoor furntiture
shelvign
tabel tops

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38
Q

what is chip board

A

chisp of timber comrpessed to board form

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39
Q

proeprties fo chip baord

A

weak structure
poor aethtcis

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40
Q

why does chip baord haev a weak structure

A

chipped, non compact struct

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41
Q

is chip baord usually veneered

A

yes

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42
Q

uses of chip board

A

flat pack furntiure
where veneeer used on top
kicthen cupboards or work tops

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43
Q

types of metals

A

ferrous - contain iron
non ferrous - contain no iron

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44
Q

eg of non ferrous

A

aluminium
copper

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45
Q

eg of ferrous

A

mild steel
stainless steel
cast iron

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46
Q

proeprties and characteristics of aluminum

A

light weight
ductile
malleable
corrisve resitant
conductive

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47
Q

weldign processes that can be used on aluminium

A

MIG AND TIG

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48
Q

meltign temp of aluminum

A

660

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49
Q

uses of aluminum

A

drink cans
aricraft bodies
bike frams
sauce pans
cookign utensils
packagign
foil

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50
Q

proeprties and characteristics of copper

A

ductile
malleable
tough
corrision resitsant
condcuive

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51
Q

can copper be welded

A

no btu it can be sodlered adn brazed

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52
Q

meltign temp of copper

A

1083

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53
Q

uses of copper

A

electrical wires
pricnted circuits
wtaer pipes
hotwater tanks
central ehatign pipes

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54
Q

proeprties and characteristics of mild steel

A

ductile
high tensile strenght
tough
malleable

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55
Q

is midl steel poor corrsisve reist

A

yes

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56
Q

eltign temp of midl steel

A

1427

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57
Q

uses of midl stee

A

nut
bolt
washers
screws
car bodies
out panels fo white good

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58
Q

proeprties and characteristics of staineless steels

A

tough
ahrd
corrsive resiatnt

59
Q

meltign temp of SS

A

1510

60
Q

uses of SS

A

sinks
kitchen ware
cutler y

61
Q

proeprties and characteristics of cast iron

A

hard outer skin
brittle core
good udner compression

62
Q

meltign temp fo cast iron

A

1149

63
Q

uses fo cast iron

A

disc brakes
machien parts
engine blocks

64
Q

what si a metal alloy

A

two or more metals or other elements

65
Q

exampels of metal alloys

A

bronze
brass
tungsten

66
Q

proeprties and characteristics of bronze

A

tough
corrsion rest
can eb cast

67
Q

compositition fo bronze

A

90% copper
10% tin

68
Q

meltign temp of bronze

A

850 - 1000

69
Q

proeprties and characteristics of brass

A

corrsive reistant
conduive
low meltign point
cast well

70
Q

meling poitn fo brass

A

930

71
Q

uses of rbass

A

boat fittings
door furntire
cast valves
taps
ornaments

72
Q

proeprties and characteristics of tungsetn

A

very tough
very dense
reistant to corrosion
high tensile strenght

73
Q

meltign poitn fo tungsten

A

3422

74
Q

uses of tugngset

A

high speed cuttign tools
tips for circular blades
masonary dirll btis

75
Q

what are the types of palstic

A

thermo polymers
pthermo settign polyemrs

76
Q

what are thermo polyers

A

polymers set with ehat btu can be reused

77
Q

what are thermo settign polymerns

A

polymers set with heat adn stay ins oldi staet ocne harded

78
Q

Types of poletehelen

A

LDPE
HDPE

79
Q

proeprties and characteristics of ldpe

A

tough
chem ristance
weatehr proof
can eb transluscent
lwo rigigdty

80
Q

safe workign temp of ldpe

A

65

81
Q

uses of LDPE

A

squeezy detergent bottles
toys
carrier bags
bin lines
geenral packagign
food wrap film
food trays

82
Q

proeprties and characteristics of HDPE

A

availabel in transulcuent form
weatehr proof
tough
good chem resiatnce

83
Q

safe workign temp of HDPE

A

65

84
Q

uses of HDPE

A

chemical drum
jerry drums
toys
kitchen ware
logn lfie carrier bags
buckest

85
Q

proeprties and characteristics of polypropelene

A

available in translucent form
godo chem resitant
tough
good fatuige retsaitn

86
Q

what does tough fatigeu restant mean

A

hinge proeprty

87
Q

safe workign temp of pp

A

100

88
Q

uses of pp

A

rope
fodlers
folio cases
cotnainers
medical equp

89
Q

proeprties and characteristics of HIPS

A

Hard
rigid
avalble in translucent
tough

90
Q

safe workign temp of HIPS

A

70

91
Q

uses of hips

A

yoghurt pots
fridge linings
single use cops
oilet setas
control knobs

92
Q

proeprties and characteristics of abs

A

tough
hard
avalble in opaque

93
Q

safe workign temp fo ABS

A

80

94
Q

uses fo ABS

A

phone hadnsets
rigid luggage
food mixers
handles
hoovers
bumpers
remote casigns

95
Q

proeprties and characteristics of PET

A

hard
transulcuent
good impact reissant

96
Q

safe workign tmep of PET

A

65

97
Q

uses of PET

A

water bottles
fizzy drink bottles
milk bbottles
chcolaet bo lienrs

98
Q

types of polyvinyl chloride

A

palstciised
unpalstsiced

99
Q

proeprties and characteristics of uPVC

A

rigid
opaque
tough
hard
weatehr reist
chem reist

100
Q

safe workign temp of UPVC

A

95

101
Q

uses of UPVC

A

window frames
external doros
gutterign
water srvcie pipes
bank cards

102
Q

proeprties and characteristics of pvc

A

flxible
tranlsucent
tough
godo wetaher resit
chem reisst

103
Q

safe working temp of pvc

A

95

104
Q

uses of pvc

A

hose pipes
cabel isnualtion
medical rgade tubing
inflatble products
seat coevrigns

105
Q

thermo settign polyemrs eg

A

urea formalhydge
polyester resin
epozy resin

106
Q

proeprties and characteristics of UF

A

hard
heat reistant
good chemcial isnualtor
britlle

107
Q

safe workign temp of UF

A

80

108
Q

uses fo UF

A

adhesives
electrical fittings

109
Q

proeprties and characteristics of polyester resin

A

rigid
heat resiatnt
chemcial resitant
britttle

110
Q

safe workign temp fo Polyester resin

A

95

111
Q

uses of polyester resin

A

casings
ay up process for GRP
car parts
chair setas

112
Q

proeprties and characteristics of epoxy resin

A

rigid
tough
clear
hard
chem reistant

113
Q

safe workign temp of epoxy resin

A

tough
hard
chemcial reist
rigid
clear

114
Q

uses of epoxy resin

A

adhesives
surface coatigns
aerospace applications

115
Q

eg of fibres

A

cotton
wool
silk
polyester
nylon

116
Q

speak abotu wool

A

absorbant
strong
poor elastcitiy
tendency to crease

117
Q

speak abotu wool

A

good insualtor
water repelent
nto very durable

118
Q

speak abotu silk

A

good tensiel strength
druabel
light
hard to care for

119
Q

speak abotu polyester

A

versatile
strong
good thermopalstic qualities

120
Q

speak abotu nylon

A

strong
durable
good elastsicty nad tear reistance

121
Q

exampels of fabrics

A

woven
non woven
kintted
blended textiels

122
Q

what are woven fabrics

A

itnerwinign yarns with wafs and wefts

123
Q

what are non woven fabrics

A

fabrics created from firbes bunches togehter

124
Q

pro of non woven

A

cheap

125
Q

con of non woven

A

lack strength

126
Q

speak ab knitted fabrics

A

interlcokign loops of yarn
good fludiity
elastsictc
stretchy

127
Q

speak abotu blended textiles

A

created from diff types of fibre to combien best preties of both

128
Q

what are compsoite maetrials

A

materiasl made fo two or more diff maetrials

129
Q

eg of compsoite maetriasl

A

grp
cfrp

130
Q

how are both grp adn cfro made

A

firbes mized with themrosettign polyesetr resin

131
Q

proeprties and characteristics of CFRP

A

lightweight
corrsive resitatn
tough
hard
good comrpessive strength
lwo thermal expansion

132
Q

uses of cfrp

A

sports equipment
biek frames
tennis racquets
fishign rods
card bdoies
hepmets
prosethetcis

133
Q

proeprties and characteristics of grp

A

lightweight
corrsive reistant
tough
hard
low thermal expansion
good comp strength

134
Q

uses of grp

A

boat hulls
pond lienrs
kayak shells
sport car bodeis adn parts

135
Q

what are mdoern maetriasl

A

materiasl developed through the invention fo new or improevd processes

136
Q

are mdoern maetrials natrually occurign

A

NEIN

137
Q

what are etexttiles

A

condcitve firbes directly into textile to produce clothign etc

138
Q

uses of etextiles

A

smart colour displaus
heatign elenets
can sue kinetci enegry for heat

fabric key pads
garmenets to track health

139
Q

what are super alloys

A

alloys with significntly enhacned characteristics such as mechanical strenght
high temp profrmace
corrsiona dn war restiant

140
Q

use of super alloys

A

turbine baldes
rocket engines
chemical processing

141
Q

what is graphene

A

worlds thinnest material
strongest material
harder than diamon
extemely light weight
conducitv
transpartet
elastic

142
Q

how is grapheen made

A

carbon atoms arrange in a hexagonal latice

143
Q

uses of grapehen

A

ink absed security tags
tennis rackets
skis
helmets
fodlabel phones

144
Q

what are bioplastics

A

plastics made form plant based sources

145
Q

exmapel fo plant based sources for bioplastics

A

veg oil
corn starch

146
Q

uses of bioplastics

A

disposabel items such as pakcagign
cutlery
straws
bags
trays
egg cartons

mobiel phoen cassigns
caper firbe
s

147
Q

what are nano materials

A

materials made by aletrign individaul atoms

148
Q

what does aletrign idnviduas atoms do

A

reuslts in greater surface area
imrpoved strength to weight
elatssicty
codncutive
optical perfomance

FINAL DESIGN (43 decks)

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