Before Entering a Confined Space to Do a 3 to 5

question 14

Multiple Choice

Before entering a confined space to do a 3 to 5 minute valve replacement, samples are taken of the air inside. The following data is known about the gases present: TLV = 100 ppm
LFL = 500 ppm
UFL = 2000 ppm
Actual concentration measured = 2100 ppm
What would be considered a safe concentration?

• A) Below 50 ppm
• B) Below 100 ppm
• C) Below 500 ppm
• D) Above 2000 ppm
• E) Above 2100 ppm

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Definitions:

Internalization

The psychological process of incorporating the beliefs, attitudes, or values of the surrounding society into one's own self.

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The promotion or reproduction of racial stereotypes, prejudices, and biases through visual art, literature, media, or cultural expressions.

Racial Nostalgia

A longing for a past era characterized by particular racial dynamics, often ignoring or romanticizing the realities of racial oppression.

Norman Rockwell

An American painter and illustrator known for his depictions of American culture and life, often published in "The Saturday Evening Post."