Tech Exams 1 Flashcards

1
Q

Name 3 thermo plastics

A

Acrylic pvc (polyvinyl chlorides) and polyethylene

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2
Q

Name 3 thermo setting plastics

A

Polyurethane, polyester and melamine

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3
Q

Name the 3 levers

A

Class 1(a set of scissors) class 2 (a wheelbarrow) class 3 fishing)

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4
Q

Name the 4 types of motion

A

Linear (rack and pinion)
rotary (fidget spinner)
reciprocating (school bell)
Oscillating (pendulum clock)

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5
Q

What are the three types of wood

A

Soft, hard, engineered

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6
Q

Give an example of softwood

A

Pine, yew and cedar

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7
Q

Give an example of hardwood

A

Oak, beech and maple

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8
Q

Give an example of engineered wood

A

Plywood

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