Chernobyl Disaster - Video Questions

What was the initial mood among the workers at the Chernobyl power plant on the night of April 25, 1986?

• Joyful

• Indifferent

• Tense

• Fearful

Why did Natasha's fears about nuclear power diminish before the Chernobyl disaster?

• She visited the power plant

• She read a scientific report

• A Soviet official claimed nuclear meltdowns are extremely rare

• Her husband assured her of the safety

What was the main reason for conducting tests at Chernobyl's reactor number 4?

• To see if slowing turbines could power the generators during a gap

• To improve the reactor's efficiency

• To test a new type of fuel

• To train new workers

What happens when there is a build-up of Xenon in a nuclear reactor?

• It stabilizes the reactor

• It increases the reactor's power

• It causes a further slowdown of the reactor

• It has no effect

What role did Anatoly Dyatlov play during the Chernobyl disaster?

• Operator who followed instructions

• Shift supervisor who ordered the test to continue

• Engineer who designed the reactor

• Scientist who discovered Xenon poisoning

What was the purpose of pressing the AZ-5 button during the Chernobyl disaster?

• To initiate a controlled shutdown of the plant

• To increase the power output of the reactor

• To stop the nuclear reactions by dropping control rods

• To activate the backup generators

What caused the massive increase in reactivity when the control rods were inserted into the Chernobyl reactor?

• Graphite tips on the control rods

• A malfunction in the reactor core

• A sudden influx of coolant

• An error in the computer system

What was the immediate consequence of the reactor explosion at Chernobyl?

• The control room was destroyed

• The backup generators failed to start

• The reactor's steel lid flew off and went through the roof

• The entire plant was immediately evacuated

Why did some operators at Chernobyl not realize the reactor had exploded?

• They were in a different part of the plant

• They were misled by faulty instruments

• Reactors normally don't just blow up

• Reactors normally don't just blow up

What did Alexander initially think caused the disaster at Chernobyl?

• An attack by the USA

• A terrorist bombing

• A natural earthquake

• A major system malfunction