Welcome to the Quiz!
This quiz contains 10 questions from a mix of 1 subtopics.
Which type of heat loss do foam seals around windows and doors help to minimise?
(Select all that apply)
Heat loss by conduction
Heat loss by convection
Heat loss by radiation
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Which of the following are features of a house which help to reduce heat loss by conduction?
(Select all that apply)
Double glazed windows
Cavity walls
Foam seals around windows
Walls made of a material with low thermal conductivity
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What is the purpose of putting insulating foam in cavity walls?
To minimise air convection currents
To strengthen the wall
To minimise loss of heat by radiation
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Single vs double glazing
conduction / convection / radiation / one / two / three
Single glazed windows only have pane of glass, whereas double glazed windows have panes of glass. In both cases, the panes of glass reduce heat loss by .
The added benefit of double glazing is that there is a small air gap between the two panes of glass, which minimises (as air is a poor conductor of heat).
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What is being described by the following sentence?
"The resistance that an object encounters when moving across a solid, or moving through a liquid"
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Which of the following helps to reduce friction between two surfaces?
Rubber
Sand
Lubricant
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mass / friction / fuel / streamlined
Fast moving vehicles like cars and planes have a shape to reduce from air resistance. This allows them to use less .
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Why does cavity wall insulation contain pockets of trapped air?
Air is a good radiator
Air is a good insulator
Air is a good conductor
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Double glazing costs £900 to install. It saves £50 a year in fuel costs.
How long will it take to recoup (make back) the initial costs?
years
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Sealing a house minimises the air flow in and out of the house.
Which type of heat loss does this minimise?
Heat loss by conduction
Heat loss by radiation
Heat loss by convection
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