CHST FREE CHST General Questions and Answers 4

Question 1

Under OSHA's Scaffolding Standard (29 CFR 1926 Subpart L), scaffolds must be capable of supporting their own weight plus how many times the maximum intended load?

Accepted Answer

4 times

Answer

OSHA requires scaffolds to be designed, constructed, and loaded so they can support their own weight plus at least four times the maximum intended load.

Question 2

Which hazard control method is considered most effective in the hierarchy of controls?

Accepted Answer

Elimination

Answer

Elimination—physically removing the hazard—is the most effective control measure because it completely removes the source of the hazard from the workplace.

Question 3

A 'competent person' in OSHA construction standards is defined as someone who can:

Accepted Answer

Identify hazardous conditions and has authority to correct them

Answer

OSHA defines a competent person as one who is capable of identifying existing and predictable hazardous conditions and has authorization to take corrective measures.

Question 4

According to OSHA, what minimum illumination level (in foot-candles) is required for general construction areas?

Accepted Answer

5 foot-candles

Answer

OSHA's 29 CFR 1926.56 requires a minimum of 5 foot-candles of illumination for general construction areas and excavations.

Question 5

Which type of fire extinguisher is appropriate for Class C (electrical) fires?

Accepted Answer

CO2 or dry chemical extinguisher

Answer

CO2 and dry chemical extinguishers are rated for Class C fires because they use non-conductive agents; water conducts electricity and must never be used on electrical fires.

CHST - Construction Health and Safety Technician Practice Test

CHST - Construction Health and Safety Technician Practice Test

CHST FREE CHST General Questions and Answers 4