Deck 16: Industrial Hygiene and Confined Spaces

Question 1

Asphyxiants are substances involving a sudden dose of highly concentrated substance.

Answer 1

False

Question 2

Employees need not be warned of chemical hazards by labels on containers or safety data sheets (SDS).

Answer 2

False

Question 3

Before an entry permit is issued, a safety/health professional, should

A) Shut down equipment
B) Test the atmosphere
C) Ventilate the space
D) All of the above

Answer 3

D

Question 4

Chronic effects of toxic substances involve a sudden dose of highly concentrated substance.

Question 5

The OSHA standard for nanoscale materials is 29 CFR 1910.113.

Question 6

A toxic substance is one that has a negative effect on the health of a person or animal.

Question 7

Every workplace environment employs industrial hygiene specialists.

Question 8

Confined spaces are hazardous because of the potential to trap toxic and/or explosive vapors and gases.

Question 9

A key element of the Clean Air Act is its requirement that companies use the maximum achievable control technology.

Question 10

Many chemical and toxic substances used in modern industry are flammable or combustible.

Question 11

Which of the following is associated with chronic effects/exposures of toxic substances?

A) Sudden dose
B) Severe
C) Little or no awareness of exposures on the part of affected workers
D) Cause immediate health problems

Question 12

Toxic effects are a function of several factors except:

A) Route of entry
B) Time of day
C) Level of exposure
D) Amount of dose

Question 13

A sick building is one that makes people sick when it becomes infested with mold, mildew, spores, and other airborne micro-organisms.

Question 14

Examples of confined spaces include:

A) Vaults
B) Silos
C) Train compartments
D) All of the above

Question 15

Threshold limit values refer to airborne concentrations of substances and represent conditions under which it is believed that nearly all workers may be repeatedly exposed day after day without adverse effect. Which of the following is not a way of expressing TLV's?

A) Flash point
B) Time-weighted average
C) Ceiling
D) Short-term exposure

Question 16

A confined space is any area with limited means of entry and exit that is large enough for a person to fit into but is not designed for occupancy.

Question 17

A particle smaller than about 2.5 micrometers and larger than about 0.1 micrometers is called:

A) Fine particle
B) Nanoparticle
C) Ultrafine particle
D) Ionic particle