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Technology 2018 > Resistant Materials > Flashcards

Resistant Materials Flashcards

1
Q

Name 2 Hardwoods.

A 
Oak
Ash
Beech
Mahogany
Elm
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2
Q

Name 2 Softwoods.

A

Pine
Cedar
Yew

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3
Q

Name 2 Manufactured woods.

A

Chipboard
MDF
Blackboard
Plywood

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4
Q

Name 4 differences between hardwood and softwood

A

Hardwood comes from decidouous trees
Softwood comes from coniferous trees
Hardwoods take longer to grow
Softwoods are softer to work with.

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5
Q

Name 2 non permanent joining solutions for wood

A

Screws

Nails

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6
Q

Name 2 permanent joining solutions for wood

A

PVA Glue

contact adhesive

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7
Q

Name 2 ferrous metals

A

Mild Steel

Cast Iron

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8
Q

Name 2 non ferrous metals

A

Gold
Tin
Silver
Copper

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9
Q

Name 2 alloys

A

Brass

Pewter

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10
Q

Name 2 non permanent joining solutions for metal

A

Nut and Bolt

Rivets

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11
Q

Name 2 permanent joining solutions for metal

A

Welding

Brazing

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12
Q

What does ANNEALING do

A

Makes metal malleable

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13
Q

What does TEMPERING do

A

Makes metal tougher

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14
Q

What does HARDENING do

A

Makes metal brittle

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15
Q

Name 2 Characteristics of Thermoplastics

A

Recyclable
Bendy
Formed by heating

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16
Q

Name 2 characteristics of Thermosetting Plastics

A

Non-recyclable
Rigid
Formed by chemical change

17
Q

Name 2 joining solutions for plastic

A

Nuts and bolts
Epoxy resin
Hot glue

18
Q

What is a composite

A

2 or more materials joined together to gain chemical properties

19
Q

What are smart materials

A

Materials reactive to the environment

Technology 2018 (1 decks)

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