General Studies · Industrial Engineering
According to ISO 14644-1, an ISO Class 7 cleanroom requires the maximum concentration of particles ≥ 0.5 μm to be less than how many particles per cubic meter?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11,00,000
- 210,000
- 33,52,000✓
- 435,200
Correct answer
3,52,000
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