Construction OSHA Construction Safety 2 — Questions and Answers
Question 1: What type of fire extinguisher should be used on an electrical fire on a construction site?
- Class A
- Class B
- Class C (Correct answer)
- Class D
Correct answer: Class C
Class C fire extinguishers use non-conductive agents and are required for electrical fires to prevent electrocution.
Question 2: What is the minimum illuminance level required for general construction area work under OSHA standards?
- 1 foot-candle
- 3 foot-candles
- 5 foot-candles (Correct answer)
- 10 foot-candles
Correct answer: 5 foot-candles
OSHA 29 CFR 1926.56 requires a minimum of 5 foot-candles of illumination for general construction areas.
Question 3: Which hazard communication requirement mandates that chemical containers on a job site be properly labeled?
- OSHA HazCom Standard 29 CFR 1926.59 (Correct answer)
- OSHA 29 CFR 1926.50
- OSHA 29 CFR 1926.100
- OSHA 29 CFR 1926.200
Correct answer: OSHA HazCom Standard 29 CFR 1926.59
OSHA's Hazard Communication Standard (HazCom) at 29 CFR 1926.59 requires proper labeling and Safety Data Sheets for hazardous chemicals.
Question 4: When must a Safety Data Sheet (SDS) be accessible to workers on a construction site?
- Only during chemical spills
- Only upon request
- At all times during work shifts (Correct answer)
- Once per week
Correct answer: At all times during work shifts
OSHA's HazCom Standard requires SDS documents to be readily accessible to workers at all times during their work shift.
Question 5: What is the OSHA permissible exposure limit (PEL) for noise over an 8-hour workday?
- 80 dBA
- 85 dBA
- 90 dBA (Correct answer)
- 95 dBA
Correct answer: 90 dBA
OSHA 29 CFR 1926.52 sets the permissible noise exposure limit at 90 dBA for an 8-hour workday.
Question 6: What is required before work begins in a confined space on a construction site?
- A written safety plan only
- A permit and atmospheric testing (Correct answer)
- A supervisor sign-off only
- A weekly safety meeting
Correct answer: A permit and atmospheric testing
OSHA 29 CFR 1926.1203 requires a permit and atmospheric testing before entry into permit-required confined spaces on construction sites.
Construction OSHA Construction Safety 2
What type of fire extinguisher should be used on an electrical fire on a construction site?