WorksheetsNuclear Safety 3
Total questions: 10
Worksheet time: 7mins
Which reactors have water as a coolant and moderator?
PWR
BWR
RBMK
FNR
What coolant and moderator does an AGR have?
Water and graphite
CO2 and graphite
He and graphite
Water for both
Which safety feature does a PWR have that a BWR doesn't?
A secondary cooling loop
Water as a moderator
Increasing steam production
Chemical shim
What is the purpose of the containment building?
To prevent release of radioactive gases
To contain fuel in the event of a meltdown
To protect the reactor pressure vessel from external hazards
To house the turbines
Which materials are control rods made from?
cadmium
hafnium
boron
gadolinium
Which reactor design is inherently unsafe?
RBMK
CANDU
Magnox
AGR
How long does Generic Design Assessment take?
Up to 1 year
Up to 4 years
Up to 8 years
Up to 10 years
Which generation(s) of reactors are we on currently?
1
2
3
4
Which coolants will new generation FNRs use?
Pb/Pb-Bi
Na/NaK
Cl/F salts
He
Which statements are true about FNRs?
They will close the fuel cycle by burning up spent fuel
They can be shut down and restarted as often as needed
They are cheap to build
They do not require a moderator
