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Listening Quiz: An Toàn Phóng Xạ cho Thí Nghiệm Tán Xạ Neutron – Advanced Level
Th9 13, 2025
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bởi
Anna Phạm
trong
Tiếng Anh dành cho Nhà vật lý học (English for Physicist)
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1.
What is the main topic of the conversation?
The design of a new laboratory building
The benefits of personal protective equipment
The safety rules for a neutron scattering experiment
The schedule for upcoming work shifts
Explanation:
Anna and John discuss how to keep people safe during a neutron scattering experiment, including shielding, monitoring, training, and exposure limits.
2.
What shielding materials does Anna mention for protecting the team?
Wood or fabric
Steel or plastic
Concrete or water
Lead or glass
Explanation:
Anna says they must use shielding materials like concrete or water.
3.
What does Anna say about personal protective equipment?
It is useful, but shielding is more important for neutrons
It is more important than monitoring
It is only needed during emergencies
It replaces the need for shielding
Explanation:
Anna says PPE helps, but shielding is more important for neutrons.
4.
What can be inferred about the workers in the experiment?
They are already familiar with all safety procedures
They need training before working near the neutron source
They can ignore exposure limits if they wear PPE
They will not need to monitor radiation levels
Explanation:
Anna says everyone must understand neutron risks and safety, which implies workers need training before starting work.
5.
What does Anna say they should do if radiation levels rise too high?
Increase the work shifts
Prepare clear emergency steps
Stop using all shielding materials
Remove the neutron detectors
Explanation:
Anna says they prepare clear steps if radiation levels rise too high.
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