OSHA 10 Construction Safety Practice Questions with Explanations
Free OSHA 10-Hour Construction practice questions with an explanation for every answer. Covers fall protection, electrical safety, personal protective equipment, excavation, scaffolding, hazard communication, and OSHA rules.
Questions
Which federal department is OSHA part of?
- Department of Labor
- Department of Health and Human Services
- Environmental Protection Agency
- Department of Homeland Security
Which law created OSHA?
- Occupational Safety and Health Act of 1970
- Fair Labor Standards Act of 1938
- Clean Air Act of 1970
- Civil Rights Act of 1964
Which part of the Code of Federal Regulations holds OSHA's construction standards?
- 29 CFR 1926
- 29 CFR 1910
- 40 CFR 261
- 49 CFR 172
No specific OSHA standard covers a recognized serious hazard. What can OSHA cite the employer under?
- The General Duty Clause, Section 5(a)(1)
- The Multi-Employer Citation Policy for shared worksites
- The Hazard Communication Standard
- Section 11(c), the anti-retaliation whistleblower rule
A worker is killed on the job. How soon must the employer report it to OSHA?
- Within 8 hours
- Within 24 hours
- Within 48 hours
- Within 7 calendar days of the incident
An employee loses an eye in a work incident. How soon must the employer report it to OSHA?
- Within 24 hours
- Within 8 hours
- Within 7 calendar days of the incident
- Within 30 days
Which events must be reported to OSHA within 24 hours?
- In-patient hospitalization of one worker
- An amputation
- Loss of an eye
- A cut treated with first aid only
- A near miss with no injury
A worker believes they were punished for reporting a hazard. How many days do they have to file a Section 11(c) whistleblower complaint?
- 30 days
- 10 days
- 90 days
- 180 days
Which type of OSHA inspection gets the highest priority?
- Imminent danger situations
- Worker complaints
- Programmed inspections
- Follow-up inspections
An employer knowingly ignores a hazard, showing plain indifference to worker safety. What type of violation is this?
- Willful
- Serious
- De minimis
- Other-than-serious
A hazard could likely cause death or serious physical harm, and the employer knew or should have known. What type of violation is this?
- Serious
- De minimis
- Other-than-serious
- Repeat
Which violation type has no direct or immediate relationship to safety or health?
- De minimis
- Willful
- Serious
- Failure to abate
How long must an OSHA citation be posted near the violation?
- 3 working days, or until fixed if longer
- 10 working days, or until it is contested
- Exactly 30 calendar days from issue
- Only until the inspector leaves the site
How many working days does an employer have to contest an OSHA citation?
- 15
- 5
- 30
- 60
Which form is the log of work-related injuries and illnesses?
- OSHA Form 300
- Form I-9
- Form W-4 (Employee's Withholding Certificate)
- Form 1099
When must the OSHA 300A annual summary be posted?
- February 1 to April 30
- January 1 to March 31
- June 1 to August 31
- October 1 to December 31
How long must employers keep OSHA injury and illness records?
- 5 years
- 1 year
- 3 years
- 30 years
Which is a worker right under OSHA?
- Requesting an inspection if there are serious hazards
- Fining the employer directly for a violation
- Skipping required PPE if it feels uncomfortable
- Setting their own exposure limits
How must safety training be presented to workers?
- In a language and vocabulary they understand
- In English only, using the official wording of the standard
- In writing only, with no hands-on demonstrations or practice
- Only after a worker's first injury
Who is a competent person under OSHA?
- Can spot existing and predictable hazards and is authorized to fix them
- Any worker who has finished an OSHA 10-Hour course
- The most senior employee on site, whatever their role
- An OSHA officer assigned to inspect that site
Which group is NOT covered by the OSH Act?
- Self-employed individuals
- Private-sector construction workers
- Workers at private manufacturing plants
- Private contractors' employees
OSHA-approved State Plans must be:
- At least as effective as federal OSHA
- Identical word-for-word to federal rules
- Less strict, to lower costs for business
- Approved separately by each county
On a multi-employer site, what is the employer that caused the hazard called?
- Creating employer
- Exposing employer
- Correcting employer
- Controlling employer
Which control is the MOST effective in the hierarchy of controls?
- Elimination
- PPE
- Administrative controls
- Engineering controls
Under federal OSHA, an OSHA 10-Hour Outreach card has no expiration date, though some states or employers require refresher training.
What is the leading cause of death in construction?
- Falls
- Electrocution
- Struck-by incidents
- Caught-in or -between incidents
Which is NOT one of OSHA's construction Focus Four hazards?
- Chemical burns
- Falls
- Electrocution
- Caught-in or -between
In construction, fall protection is generally required at what height?
- 6 feet
- 4 feet
- 10 feet
- 15 feet
What is the required height of a guardrail's top rail?
- 42 inches, plus or minus 3
- 36 inches, plus or minus 3
- 48 inches, plus or minus 3
- 30 inches, plus or minus 3
A guardrail's top rail must withstand a force of at least:
- 200 pounds
- 50 pounds
- 100 pounds
- 500 pounds
Where are midrails installed?
- About halfway between top rail and surface
- About 6 inches above the walking surface
- Just under the top rail, near 36 inches
- Midrails are optional if a top rail exists
In construction, a hole is a gap or void in a floor or roof that measures at least:
- 2 inches
- 1 inch
- 6 inches
- 12 inches
A hole cover must support at least:
- Twice the load that may be placed on it
- Exactly the weight of one worker plus that worker's tools
- 50 pounds at any single point
- Four times one worker's body weight, measured without tools
How must hole covers be secured and marked?
- Secured in place and marked HOLE or COVER
- Left loose so they lift off quickly
- Painted orange with no lettering
- Marked only with caution tape
What do the ABCs of a personal fall arrest system stand for?
- Anchorage, Body harness, Connectors
- Alarm, Belt, Cable
- Anchor bolt, Brace, Clamp, and Support
- Area, Barrier, Cover
A PFAS anchorage that isn't engineered must support at least how much per attached worker?
- 5,000 pounds
- 1,000 pounds
- 2,000 pounds
- 10,000 pounds
A PFAS must be rigged so a worker can free fall no more than:
- 6 feet
- 2 feet
- 10 feet
- 15 feet
What is the maximum deceleration distance allowed for a PFAS?
- 3.5 feet
- 1 foot
- 6 feet
- 10 feet
A body belt is acceptable as the body-holding part of a personal fall arrest system.
Why must employers plan for prompt rescue after a fall arrest?
- Hanging in a harness can cause suspension trauma
- OSHA requires a report within 5 minutes
- The anchor loses its rating after an hour
- The lanyard tightens until it cuts off air
A harness and lanyard have just stopped a fall. What happens to them?
- Removed from service until a competent person inspects them
- Returned to the tool crib so the next worker on the crew can use it
- Used for the rest of the shift, then checked by the worker at home
- Rinsed off and put back into normal use
How far below the working surface may a safety net be installed?
- No more than 30 feet
- No more than 6 feet
- No more than 10 feet
- No more than 50 feet
How often should fall protection equipment be inspected by the user?
- Before each use
- Once a year
- Once a month
- Only after a fall
Which is fall PREVENTION rather than fall ARREST?
- A guardrail
- A safety net
- A personal fall arrest system
- A shock-absorbing lanyard
A skylight in a roof counts as a hole and must be covered or guarded.
What does the A stand for in the ABCs of fall arrest? (one word)
A portable ladder used to reach an upper landing must extend above it by at least:
- 3 feet
- 1 foot
- 6 feet
- 0 feet, flush with it
What is the safe setup angle for an extension ladder?
- 1 foot out for every 4 feet up
- 1 foot out for every 2 feet up
- 1 foot out for every 8 feet up
- 2 feet out for every 3 feet up
A ladder rests against a wall at a support point 16 feet high. How far from the wall should its base be?
- 4 feet
- 2 feet
- 8 feet
- 16 feet
What does three points of contact mean on a ladder?
- Two hands and a foot, or two feet and a hand
- Both hands always holding your tools
- Your chest touching the rungs at all times
- Any three body parts touching the rails