Nuclear Lifecycle 1

Which type of uranium ore is mainly found in Australia?

• Brannerite

• Pitchblende

• Uraninite

• Carnotite

Where is the largest uranium deposit in the world?

• Kazakhstan

• Australia

• Canada

• Namibia

Which country produces the most uranium?

• Australia

• Kazakhstan

• Canada

• Namibia

Which type of mining is the most environmentally friendly?

• Open pit

• Underground

• Heap leaching

• In-situ leaching

Uranium is mined in Australia as a by-product of...

• Gold mining

• Copper mining

• Phosphate mining

• Silver mining

Which acid is mainly used to extract uranium?

• Sulphuric acid

• Nitric acid

• Hydrochloric acid

• Acetic acid

Groundwater may be restored to its original quality by...

• Leaving it

• Reverse osmosis

• Ion exchange

• Re-leaching

What are the disadvantages each type of mining?

• Generates lots of waste rock

• Underground

• Tunnels may collapse

• Open pit

• Drinking water can become contaminated

• Heap leaching

• Generates lots of waste liquid

• ISL

What are the safety implications of uranium mining?

• Uranium is a toxic metal so protection is needed

• Radon gas can be inhaled so ventilation is needed

• Dust can be inhaled so respirators are needed

• Tunnels can collapse

What is the exposure limit for a radiation worker?

• 20 mSv/yr

• 1 mSv/yr

• 500 mSv/yr

• 100 mSv/yr