8. Energy Production

Question 1

State and explain types of energy resources.

Answer 1

Secondary energy comes from the transformation of primary or secondary energy.

Electricity
Hydrogen

While primary energy consists of unconverted or original fuels.

Oil
Natural Gas

Question 2

Differentiate between specific energy and energy density.

Answer 2

Specific energy:

Specific energy indicates the number of joules that can be released by each kilogram of the fuel.

Energy density:

Energy density is the number of joules that can be released from 1 m3 of a fuel.

Question 3

Give examples of renewable and non-renewable energy resources.

Answer 3

Non-renewable energy

Renewable energy

Question 4

List advantages and disadvantages of Wind power.

Answer 4

X

Question 5

List advantages and disadvantages of hydroelectric systems.

Answer 5

X

Question 6

List advantages and disadvantages of Solar power.

Answer 6

X

Question 7

List advantages and disadvantages of Fossil fuel power stations.

Answer 7

X

Question 8

List advantages and disadvantages of Nuclear power.

Answer 8

X