Unit 5.1 Alevel DT AQA Composites

Unit 5.1 Alevel DT AQA Composites

12th Grade

16 Qs

quiz-placeholder

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Unit 5.1 Alevel DT AQA Composites

Unit 5.1 Alevel DT AQA Composites

Assessment

Quiz

Design

12th Grade

Practice Problem

Easy

Created by

Miss England

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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Materials are combined to make composites because:

they have improved properties compared to individual materials.

they are easier to recycle than pure materials.

they are always cheaper to produce than single materials.

they are naturally found in combined forms.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The properties that make CFRP (carbon fibre reinforced plastic) suitable for making wind turbines are:

High strength-to-weight ratio and corrosion resistance

High electrical conductivity and low cost

Low density and high thermal expansion

Brittleness and poor fatigue resistance

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following are properties of concrete?

High compressive strength

High electrical conductivity

Low durability

High flexibility

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Very little concrete is traded internationally because it can be locally sourced, which reduces CO2 emissions.

True

False

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In steel reinforced concrete it is important that steel expands and contracts at the same rate as concrete because:

it prevents cracking and structural failure in reinforced concrete structures.

it makes the structure heavier.

it decreases the cost of construction.

it allows for more decorative designs.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The drawbacks of using solid timber for flooring as opposed to engineered floor boards include:

Greater susceptibility to moisture and temperature changes

Higher resistance to moisture and temperature changes

Lower installation cost

More stability in varying climates

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

All manufactured boards are composites.

True

False

Only some are composites

None are composites

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