Chernobyl Accident - Document Questions

What was the primary cause of the Chernobyl accident in 1986?

• A flawed reactor design and inadequately trained personnel

• A natural disaster

• A terrorist attack

• A software malfunction

How many Chernobyl plant workers died due to the explosion on the night of the accident?

• Thirty

• Twenty

• Ten

• Two

What percentage of the radioactive reactor core was released into the environment during the Chernobyl accident?

• 20%

• 15%

• 10%

• 5%

How many people were evacuated as a result of the Chernobyl accident?

• 350,000

• 150,000

• 500,000

• 1,000,000

What type of reactor was involved in the Chernobyl accident?

• CANDU

• BWR

• PWR

• RBMK-1000

What was the main health impact observed in the population after the Chernobyl accident?

• Skin cancer

• Thyroid cancer

• Leukemia

• Lung cancer

What was the estimated amount of radioactivity released during the Chernobyl accident?

• 14 EBq

• 5 EBq

• 30 EBq

• 20 EBq

What was the main reason for the second explosion during the Chernobyl accident?

• An electrical short circuit

• Production of hydrogen from zirconium-steam reactions

• A malfunction in the control rods

• A chemical reaction with graphite

What was the main radionuclide responsible for the radiation dose to the public after the Chernobyl accident?

• Strontium-90

• Plutonium-239

• Uranium-235

• Iodine-131

What was the main purpose of the New Safe Confinement structure at Chernobyl?

• To house displaced residents

• To serve as a tourist attraction

• To contain the remains of the reactor and allow for safe dismantling

• To generate electricity