Nuclear

Question 1

Nuclear energy

Answer 1

When larger atoms combine with a neutron and become unstable and release energy

Question 2

What molecule is most ideal for nuclear energy?

Answer 2

Uranium-235

Question 3

What is the largest occurring element?

Answer 3

Uranium

Question 4

What happens when you combine uranium with a neutron

Answer 4

Something unstable is made

Question 5

What happens when a molecule becomes unstable?

Answer 5

It breaks down and releases energy

Question 6

Are the 3 pros of nuclear energy?

Answer 6

Low pollution, high energy output, lower cost to run

Question 7

What are the three cons of nuclear energy?

Answer 7

Radioactive waste, high expense to build, melt downs

Question 8

How long do reactors work for?

Answer 8

About 40 years

Question 9

Percent of electricity is generated by nuclear power plants worldwide?

Answer 9

15 percent

Question 10

What nuclear power plant used to be in Oregon?

Answer 10

Trojan

Question 11

When Trojan was operational what percent of oregons electricity originated from there?

Answer 11

12 percent

Question 12

When was the Trojan decommissioned?

Answer 12

1993

Question 13

When was the Trojan demolished?

Answer 13

2006

Question 14

I was the Trojan demolished?

Answer 14

They had problems with the steam tubes

Question 15

How are chemical reactions in nuclear reactions different?

Answer 15

Nuclear reactions the element changes

Question 16

Fission

Answer 16

Splitting of having nucleus into smaller nuclei

Question 17

Fusion

Answer 17

Combination of small nuclei into heavier nucleus

Question 18

What is the reaction for nuclear power?

Answer 18

U-235+n➡️u-236➡️Kr+Ba+3n

Question 19

What percent of uranium-235 is natural?

Answer 19

.711%

Question 20

How much uranium is needed to continue the reaction?

Answer 20

15 kg

Question 21

Fuel rods

Answer 21

Source of nuclear reactions

Question 22

What are fuel rods made of?

Answer 22

UO2

Question 23

Control rods

Answer 23

Absorbs heat and neutrons

Question 24

What are control rods made out of

Answer 24

Boron

Question 25

What is the number one safety control in a reactor?

Answer 25

Control rods

Question 26

What is the primary coolant?

Answer 26

A high-pressure liquid that absorbs heat

Question 27

What is the difference between weapons and reactors?

Answer 27

The goal of weapon is to have the chain occur quickly whereas a reactor the goal is to have a steady reaction

Question 28

Radioactive waste

Answer 28

Chemicals with unstable nuclei

Question 29

Prior to 1979 how was waste dealt with?

Answer 29

Sealed and steel drums and dumped in the ocean

Question 30

How is nuclear waste dealt with today?

Answer 30

It’s stored in steel drums in buried in secure site under several feet of soil

Question 31

What happened at three-mile Island?

Answer 31

The pumps filled in secondary coolant loop and heat built causing a partial melt down

Question 32

What went wrong in Chernobyl?

Answer 32

The water circulation to the car was cut causing heat to build up then not enough control rods were inserted and temperature grew to rapidly causing the reactor core to explode

Question 33

What happened to the control rods in Chernobyl?

Answer 33

They caught on fire and produce hydrogen gas which also exploded

Question 34

How far was radioactive material shot into the sky?

Answer 34

1.5 miles

Question 35

What was the blast radius of Chernobyl?

Answer 35

20 miles

Question 36

What PowerPoint on the West Coast has released a lot of waste?

Answer 36

Handford nuclear power plant