What was the state of the graphite tips in the control rods?

Reactor 4 Incident Analysis

Interactive Video
•
Physics, Chemistry, Science
•
10th - 12th Grade
•
Hard

Sophia Harris
FREE Resource
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7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
They were moving freely.
They were fixed in position.
They were removed.
They were partially movable.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
At what time did the reactor's steel lid become visibly affected?
1:23:42
1:23:44
1:23:45
1:23:46
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the designed operational power of Reactor 4?
3,000 megawatts
3,200 megawatts
33,000 megawatts
32,000 megawatts
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What caused the final explosion in Reactor 4?
Oxygen combining with hydrogen
A fire in the reactor core
A sudden increase in pressure
A malfunction in the control rods
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the final power reading of Reactor 4 before the explosion?
30,000 megawatts
32,000 megawatts
33,000 megawatts
3,200 megawatts
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did the control room personnel not know about the shutdown button?
It could increase the reactor's power.
It could slow down the reaction.
It could act as a detonator.
It could stop the reaction immediately.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the immediate effect when the reactor's lid detached?
The reactor cooled down.
The reaction stopped.
Oxygen rushed in and combined with hydrogen.
The control rods were reinserted.
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