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Listening Quiz: Giới Thiệu Vòng Đời An Toàn Theo IEC 61511 – Easy Level
Th12 28, 2025
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bởi
Anna Phạm
trong
Tiếng Anh dành cho Kỹ sư điện (English for Electrical Engineer)
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1.
What is the conversation mainly about?
How to operate ordinary computer software
Why accidents happen in factories
How to repair a safety instrumented system
The steps in the IEC 61511 safety lifecycle
Explanation:
Anna explains that the IEC 61511 safety lifecycle is a process for designing safety instrumented systems and describes its main steps.
2.
According to Anna, what is the first step in the lifecycle?
We do hazard and risk analysis
We define safety requirements
We operate and maintain the system safely
We verify and validate the system
Explanation:
Anna says, “First, we do hazard and risk analysis.”
3.
What does Anna say happens after the hazard and risk analysis?
The system is operated and maintained
The system is immediately put into use
Safety requirements are defined and the system is designed
The accident risks are ignored
Explanation:
Anna explains that after the analysis, they define safety requirements and design the system.
4.
How does Anna say they make sure the system works well?
By verifying and validating the system
By skipping the testing stage
By waiting until an accident happens
By only designing it once
Explanation:
Anna says they make sure the system works well by verifying and validating it.
5.
Why does Anna say the IEC 61511 safety lifecycle is important?
Because it eliminates the need for design work
Because it is used only after a system fails
Because it makes systems more complicated
Because it helps prevent accidents and protect people
Explanation:
Anna directly states that the lifecycle is important because it helps prevent accidents and protect people.
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