What does the acronym HEPA stand for?

HEPA Filters and Their Origins

Interactive Video
•

Liam Anderson
•
Science, Chemistry, History
•
9th - 12th Grade
•
Hard
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
High Efficiency Particulate Air
High Energy Particle Absorption
Heavy Element Particle Accumulator
High Efficiency Particle Absorber
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What event led to the development of the first HEPA filters?
The discovery of penicillin
The Industrial Revolution
The invention of the vacuum cleaner
The Manhattan Project
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which materials were initially used in the first HEPA filters?
Silicon and carbon
Metal and rubber
Cellulose and asbestos
Glass and plastic
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who was the chemist hired to optimize the HEPA filter design?
Marie Curie
Irving Langmuir
Albert Einstein
Niels Bohr
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main trapping mechanism for the smallest particles in HEPA filters?
Magnetic attraction
Brownian motion
Electrostatic charge
Sieve effect
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What particle size is considered the most challenging for HEPA filters to capture?
1 micron
0.3 microns
10 microns
0.1 microns
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What material replaced asbestos in modern HEPA filters?
Plastic
Glass
Carbon
Metal
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which industry benefited from the declassification of HEPA filter technology after World War 2?
Automotive
Healthcare
Agriculture
Textile
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What percentage of the most penetrating particles do modern HEPA filters capture?
99.97%
100.00%
90.00%
95.50%
10.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a use of modern HEPA filters?
Filtering radioactive particles
Filtering viruses
Filtering large debris
Filtering pollen and bacteria
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