CHST FREE Construction Health and Safety Technician Questions and Answers 3

Question 1

What is the maximum permissible noise exposure level for an 8-hour time-weighted average under OSHA construction standards?

Accepted Answer

90 dBA

Answer

80 dBA

Answer

85 dBA

Answer

95 dBA

Question 2

When conducting a confined space entry on a construction site, which atmospheric condition requires immediate evacuation?

Accepted Answer

Oxygen level below 19.5% or above 23.5%

Answer

Oxygen level at 20.9%

Answer

Temperature above 90 degrees Fahrenheit

Answer

Humidity above 80%

Question 3

Which hierarchy of controls method is considered the MOST effective for eliminating construction site hazards?

Accepted Answer

Elimination of the hazard

Answer

Personal protective equipment

Answer

Administrative controls

Answer

Engineering controls

Question 4

What is the minimum width requirement for a scaffold platform used in construction under OSHA standards?

Accepted Answer

18 inches

Answer

14 inches

Answer

20 inches

Answer

24 inches

Question 5

According to OSHA, how often must ground-fault circuit interrupters (GFCIs) be tested on construction sites when using the assured equipment grounding conductor program alternative?

Accepted Answer

Before each use and at regular intervals not exceeding 3 months

Answer

Daily before first use

Answer

Weekly

Answer

Monthly

Question 6

What is the primary role of a Safety Data Sheet (SDS) in construction site hazard communication?

Accepted Answer

To provide detailed information about a chemical's hazards, handling, storage, and emergency measures

Answer

To serve as an employee training certificate

Answer

To document daily toolbox talk attendance

Answer

To replace the need for container labeling