FREE Certified Industrial Hygienist (CIH) Questions and Answers

Question 1

Why Are Hazard Control Strategies (Elimination, Substitution, and Engineering/Design Controls) More Effective At Preventing Injuries Than Exposure Control Strategies (Administrative, Work Practices, And PPE)?

Accepted Answer

They work only as long as people behave

Answer

They are much more expensive to implement

Answer

They are not permanent in nature

Answer

They focus on changing the hazard, not the exposure

Question 2

OSHA advises maintaining temperatures between ____ and ____ degrees Fahrenheit and maintaining humidity levels between ____ and .

Accepted Answer

68-76 degrees; 20%-60%

Answer

75-82 degrees; 40%-70%

Answer

45-66 degrees; 65%-70%

Answer

51-69 degrees; 10%-15%

Question 3

Which of the following results from the condensation of a solid's volatile constituent in cold air?

Accepted Answer

Fumes

Answer

Vapors

Answer

Gases

Answer

Mists

Question 4

Which of the following exposure routes is the most typical?

Accepted Answer

Inhalation

Answer

Skin contact

Answer

Injection

Answer

Ingestion

Question 5

Which of the following "hierarchy of controls" strategies puts the most emphasis on eliminating the risk's root cause?

Accepted Answer

Elimination

Answer

Engineering

Answer

Administration

Answer

Substitution

Question 6

If Employee Exposure To The "Action Level" Of ____ Occurs, A Hearing Conservation Program Is Necessary.

Accepted Answer

85 dBA or higher

Answer

90 dBA or more

Answer

At least 80 dBA

Answer

80 dBA or more

Question 7

Which of the following does NOT effectively lessen the risks associated with vibration?

Accepted Answer

Increasing the frequency by half

Answer

Balancing rotating shafts

Answer

Restrict the duration of exposure

Answer

Use dampening material

Question 8

To Determine If A Chemical Is Hazardous, Consider Each Of The Following, EXCEPT For .

Accepted Answer

Selectivity

Answer

Toxicity

Answer

Duration

Answer

Dose

Question 9

Which of the following biological agents is most frequently linked to eating preserved foods?

Accepted Answer

Botulism

Answer

Hantavirus

Answer

Avian flu

Answer

Anthrax

Question 10

Which of the following air contaminants can eventually result in cancer?

Accepted Answer

Asbestos and radon

Answer

High humidity and ultraviolet light

Answer

Mold and cleaning supplies

Answer

Tobacco smoke and dust