CHST Practice Test – Complete Exam Preparation

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Question: 1 / 460

According to OSHA regulation, the compressed-air pressure limit for cleaning operations shall not exceed____ pounds per square inch?

20

25

30

For cleaning operations using compressed air, OSHA regulation stipulates that the pressure must not exceed 30 pounds per square inch (psi). This limit is established to protect workers from potential injuries caused by high-pressure air. When using compressed air for cleaning, excessive pressure can lead to the dislodging of particles, which may injure health or cause damage to equipment.

Setting the limit at 30 psi is a precautionary measure, as higher pressures increase the risk of serious injuries, such as skin abrasions, ear injuries, or even penetrating wounds if the air is directed at the body. Therefore, it is crucial to adhere to this regulation to maintain a safe work environment and prevent accidents related to compressed air usage.

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