Future Energy

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What is the first stage of sequencing a four stroke engine?
Intake
1 of 14
Why are internal combustion engines called 'four stroke engines'?
There are four stages to the operation of the pistons
2 of 14
Name the three gases that contribute to air pollution.
Carbon Dioxide, Sulphur Dioxide and Nitrogen Oxides
3 of 14
Name two substances found in the exhaust fumes of a car.
Nitrogen dioxides and sulfur dioxides
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What is the name given to carbon dioxide and methane, related to the effect they have on the temperature of the atmosphere?
Greenhouse Effect
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Whay are there not more battery-powered vehicles in use currently?
They take too long to charge and haven't got enough storage for long journeys.
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Which type of biofuel is used mainly in Brazil and USA?
Bioethanol
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What does the abbreviation B20 mean when applied to biodiesel fuels?
20% biodiesel and 80% standard
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What type of engine uses hydrogen as a direct replacement for petrol or diesel?
Internal Combustion Engine
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What is a hybrid car?
A car that uses more than one type of fuel or propulsion system.
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What is the equation used to calculate efficiency?
Useful energy output/// Total energy input x100
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What is a dependant variable?
What you measure
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What is a independant variable?
What you change
13 of 14
What is a control variable?
What you keep the same
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Other cards in this set

Card 2

Front

Why are internal combustion engines called 'four stroke engines'?

Back

There are four stages to the operation of the pistons

Card 3

Front

Name the three gases that contribute to air pollution.

Back

Preview of the front of card 3

Card 4

Front

Name two substances found in the exhaust fumes of a car.

Back

Preview of the front of card 4

Card 5

Front

What is the name given to carbon dioxide and methane, related to the effect they have on the temperature of the atmosphere?

Back

Preview of the front of card 5
View more cards

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