MSHA Silica Standard Respiratory Protection Quiz 2025

1. Workers must be protected from exposures to Silica as it is toxic and can cause permanent damage to our lungs and even lead to death.

A. True

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B. False

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2. An P100 filtering facepiece respirator may be used by miners to protect themselves from silica dust hazards when there are lower concentrations of silica particles in the workplace, as opposed to a full-face respirator.

A. True

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B. False

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3. P100 filter cartridges and P100 filtering facepiece respirators will capture hazardous particles with at least 99.97% efficiency thereby preventing workers from breathing in toxic particles when workers are using a tight-fitting respirator that they had passed a fit test on.

A. True

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B. False

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4. Using the Hierarchy of Controls to eliminate or control hazards in the workplace, which is the best order to implement first to protect the workforce:

A. PPE, Substitution, Elimination, Administrative, Engineering

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B. Elimination, Substitution, Engineering, Administrative, PPE

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C. Engineering, Substitution, Administrative, PPE

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D. Administrative, PPE, Engineering, Substitution, Elimination

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5. Which type of respiratory protection is required to protect the miner from a toxic chemical that presents an IDLH atmosphere?

A. An N95 filtering facepiece respirator

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B. A full-face, pressure demand SCBA or full-face piece, multifunctional, pressure-demand supplied air respirator with self-contained air supply.

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C. A half face filtering respirator using a chemical cartridge for that chemical

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D. A dust mask and I will hold my breath for the sixty seconds that I need to complete my work.

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6. What item is not one of the required respiratory protection program elements that a mine must have in place prior to issuing respirators to miners?

A. A respiratory protection training program

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B. A non-toxic atmosphere and workplace that poses no hazard to miners

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C. A written respiratory protection program

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D. Respirators and fit testing of each miner so that they only wear the respirators that they are approved to wear after passing their fit testing.

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7. A mine may store their respirators in the original manufacturer’s packaging in a non-climate-controlled warehouse for more than 7 years and still issue out a respirator and it will work well to protect your health.

A. True

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B. False

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8. Every miner that is to wear a half and full-face respirator must perform what activities before entering a hazardous atmosphere or work environment that poses a health hazard where they are to wear a respirator? Select the best answer.

A. Inspect the respirator for damage, ensure that it is in clean and good working condition, the correct chemical cartridge or dust off excess dirt, place the filter is selected and attach a filtered, and lastly don their respirator and perform a negative and positive pressure seal test to check for leaks.

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B. Be clean shaven or free of dust and makeup on their face. Inspect the respirator for damage, ensure that it is in clean and good working condition, the correct chemical cartridge or filter is selected and attached, and lastly don their respirator and perform a negative and positive pressure seal test to check for leaks.

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C. Go to the bathroom and drink some water, then inspect the respirator for damage, ensure that it is in clean and good working condition, the correct chemical cartridge or filter is selected and attached, and lastly, they are to perform a negative and positive pressure seal test to check for leaks.

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D. Inspect the workplace and decide if they really need to wear that respirator that the safety department requires and then put on their respirator and perform the negative positive pressure seal check for leaks.

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9. Respirators are designed to protect workers when they fit snugly and form a tight seal. Workers are allowed to have mustaches and beards while they wear a respirator as some protection is better than none.

True

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False

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10. A medical screening questionnaire is the first step to being medically approved by a licensed healthcare professional to wear a respirator. A licensed healthcare professional and the standards may require additional medical testing or an in person exam depending upon the exposures to hazardous chemicals and toxic particles. What is not required for the medical exam for workers that will wear a respirator?

A. True

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B. False

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11. What is the respiratory protection and respirator use and maintenance training frequency requirements for miners or contractors that wear a respirator at a mine site which falls under the MSHA regulations?

A. At least every year

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B. Trained before initial use and at least once every twelve months

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C. Before initial use and every three years thereafter

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D. Trained before initial use, at least once every twelve months AND when respiratory protection equipment is changed or the there is a workplace toxic chemical or atmospheric change that requires different respiratory protection equipment and procedures.

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12. The respirators used in mining environment should be certified by___________.

A. MSHA

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B. OSHA

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C. NIOSH

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D. Respirator manufacturer

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13. There are two types of respirator fit testing methods: qualitative and quantitative. The qualitative fit testing methods use a variety of food grade non-toxic chemicals that rely on the sense of taste and smell (with the exception of irritant smoke).

A. True

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B. False

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14. Which fit testing method offers the wearer of a half- and full-face respirator a more accurate measurement of fit and provides a higher Approved protection factor or APF?

A. Qualitative

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B. Quantitative

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15. All workers that wear a respirator must be clean shaven (no scruff, no beards or mustaches), have skin that contacts the respirator seals that are free of make-up, fibers, hair, and other materials that might impact the seal of the respirator.

A. True

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B. False

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MSHA Silica Standard Respiratory Protection Quiz 2025

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