0
The reactor tripped and the automatic shutdown systems engaged. The operators misinterpreted the status of a pressure relief valve, along with water level instrumentation and they stopped a pump because they thought there was too much water. By the time they realized the error, part of the core had become uncovered from loss of water and it overheated to the point where it was damaged.
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
What happened at three mile island in march of 1979?
A nuclear fission reaction that was not correctly controlled.
Where and when did the nuclear meltdown at three mile island happen?
The Three Mile Island accident was a nuclear meltdown which occurred at the Three Mile Island power plant in Dauphin County, Pennsylvania, United States on March 28, 1979.
What happened in Three Mile Island in the 1970s?
Three Mile Island related to an incident which occurred in Dauphin County, Pennsylvania on March 28th, 1979. On this Wednesday morning, around the time of 4am, there was a partial nuclear meltdown which released radioactive gases and radioactive iodine into the environment.
How many times has Three Mile Island been evacuated?
The area around Three Mile Island (TMI) was only evacuated once during the accident that began on 28 March 1979.
Why is three mile island nuclear plant called three mile island?
Because the power plants were built on an island named Three Mile Island.
What happened at three mile island in march of 1979?
A nuclear fission reaction that was not correctly controlled.
1979 nuclear accident site?
Three Mile Island.
Where and when did the nuclear meltdown at three mile island happen?
The Three Mile Island accident was a nuclear meltdown which occurred at the Three Mile Island power plant in Dauphin County, Pennsylvania, United States on March 28, 1979.
What event caused the United States to slow H construction of nuclear power plants in the 1980s?
The Three Mile Island accident in 1979
What happened in Three Mile Island in the 1970s?
Three Mile Island related to an incident which occurred in Dauphin County, Pennsylvania on March 28th, 1979. On this Wednesday morning, around the time of 4am, there was a partial nuclear meltdown which released radioactive gases and radioactive iodine into the environment.
When did the nuclear core meltdown at three mile island occur?
March 28, 1979
Where is the Location of 1979 nuclear accident in the US take place?
Three Mile Island The accident at the Three Mile Island Unit 2 (TMI-2) nuclear power plant near Middletown, Pennsylvania occurred on March 28, 1979.
How many times has Three Mile Island been evacuated?
The area around Three Mile Island (TMI) was only evacuated once during the accident that began on 28 March 1979.
An accident at Three Mile Island in 1979 led to increased concerns about which form of energy?
nuclear energy.
What was the worst nuclear power plant accident in US history?
Three Mile Island, Pa, 1979
Why is three mile island nuclear plant called three mile island?
Because the power plants were built on an island named Three Mile Island.
What is the common name by which TMI-2 accident that started at 4 AM on Wednesday March 28 1979 is known?
The Three Mile Island accident was a partial nuclear meltdown which occurred at the Three Mile Island power plant in Dauphin County, Pennsylvania, United States on March 28, 1979.
