OSHA 30 Construction Final Exam NEWEST 2025 –
2026 UPDATED 200 QUESTIONS FROM ACTUAL
EXAM COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+||BRAND NEW!!
1. A worker is exposed to a fall of 7 feet while working on a roof with
unprotected edges. What is the required OSHA control?
A. Warning signs only
B. Fall protection system required
C. Verbal warning from supervisor
D. No protection needed under 10 feet
Correct answer: B
Explanation: OSHA requires fall protection at 6 feet or more in
construction environments.
2. Which of the following is the primary purpose of OSHA?
A. Increase construction speed
B. Reduce workplace hazards and injuries
C. Approve building designs
D. Certify contractors financially
Correct answer: B
Explanation: OSHA focuses on ensuring safe and healthful working
conditions.
3. A worker notices exposed energized wiring. What should they do first?
A. Touch it carefully to test
B. Report and isolate the area
C. Continue work carefully
D. Cover it with cloth
, Correct answer: B
Explanation: Exposed electrical hazards must be reported and isolated
immediately.
4. What is the minimum distance for safe approach to overhead power lines
under OSHA rules (general rule)?
A. 1 foot
B. 3 feet
C. 10 feet
D. 20 feet
Correct answer: C
Explanation: OSHA generally requires a 10-foot minimum clearance from
power lines.
5. A scaffold must be inspected:
A. Once a month
B. Before each work shift
C. Only after accidents
D. Once per year
Correct answer: B
Explanation: Daily inspection before use is required.
6. Which PPE is most critical for construction head protection?
A. Ear plugs
B. Hard hat
C. Gloves
D. Safety vest
Correct answer: B
Explanation: Hard hats protect against falling objects and head injuries.
7. A trench is 6 feet deep. What is required?
A. No protection needed
B. Protective system like shoring or sloping
C. Warning tape only
D. Ladder only
, Correct answer: B
Explanation: OSHA requires protective systems for trenches 5 feet or
deeper.
8. What does LOTO stand for?
A. Lockout/Tagout
B. Leave On Turn Off
C. Lock Tools Only
D. Line Off Take Off
Correct answer: A
Explanation: LOTO prevents accidental energizing of equipment.
9. A worker is unsure about chemical hazards. Where should they look first?
A. Company gossip
B. SDS (Safety Data Sheet)
C. Supervisor opinion
D. Internet search
Correct answer: B
Explanation: SDS provides official hazard and handling information.
10.Who is responsible for providing PPE?
A. Worker
B. Employer
C. OSHA inspector
D. Client
Correct answer: B
Explanation: Employers must provide required PPE at no cost.
11.A ladder must extend above landing surface by at least:
A. 1 foot
B. 2 feet
C. 3 feet
D. 5 feet
Correct answer: C
Explanation: OSHA requires 3 feet extension for safe access.
, 12.What is the main risk of a confined space?
A. High salary work
B. Oxygen deficiency and toxic gases
C. Excess lighting
D. Noise only
Correct answer: B
Explanation: Confined spaces may contain hazardous atmospheres.
13.A worker is operating a forklift. OSHA requires:
A. No training needed
B. Certification/training
C. Supervisor watching only
D. Speed limit sign only
Correct answer: B
Explanation: Only trained and authorized operators can use forklifts.
14.What should be done first in case of a fire?
A. Run randomly
B. Activate alarm and evacuate
C. Continue working
D. Try to extinguish only
Correct answer: B
Explanation: Alert others and evacuate immediately.
15.Which is a leading cause of construction fatalities?
A. Noise
B. Falls
C. Heat
D. Lighting
Correct answer: B
Explanation: Falls are the #1 cause of death in construction.
16.A scaffold plank is cracked. What action is required?
A. Use carefully
B. Replace immediately
2026 UPDATED 200 QUESTIONS FROM ACTUAL
EXAM COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+||BRAND NEW!!
1. A worker is exposed to a fall of 7 feet while working on a roof with
unprotected edges. What is the required OSHA control?
A. Warning signs only
B. Fall protection system required
C. Verbal warning from supervisor
D. No protection needed under 10 feet
Correct answer: B
Explanation: OSHA requires fall protection at 6 feet or more in
construction environments.
2. Which of the following is the primary purpose of OSHA?
A. Increase construction speed
B. Reduce workplace hazards and injuries
C. Approve building designs
D. Certify contractors financially
Correct answer: B
Explanation: OSHA focuses on ensuring safe and healthful working
conditions.
3. A worker notices exposed energized wiring. What should they do first?
A. Touch it carefully to test
B. Report and isolate the area
C. Continue work carefully
D. Cover it with cloth
, Correct answer: B
Explanation: Exposed electrical hazards must be reported and isolated
immediately.
4. What is the minimum distance for safe approach to overhead power lines
under OSHA rules (general rule)?
A. 1 foot
B. 3 feet
C. 10 feet
D. 20 feet
Correct answer: C
Explanation: OSHA generally requires a 10-foot minimum clearance from
power lines.
5. A scaffold must be inspected:
A. Once a month
B. Before each work shift
C. Only after accidents
D. Once per year
Correct answer: B
Explanation: Daily inspection before use is required.
6. Which PPE is most critical for construction head protection?
A. Ear plugs
B. Hard hat
C. Gloves
D. Safety vest
Correct answer: B
Explanation: Hard hats protect against falling objects and head injuries.
7. A trench is 6 feet deep. What is required?
A. No protection needed
B. Protective system like shoring or sloping
C. Warning tape only
D. Ladder only
, Correct answer: B
Explanation: OSHA requires protective systems for trenches 5 feet or
deeper.
8. What does LOTO stand for?
A. Lockout/Tagout
B. Leave On Turn Off
C. Lock Tools Only
D. Line Off Take Off
Correct answer: A
Explanation: LOTO prevents accidental energizing of equipment.
9. A worker is unsure about chemical hazards. Where should they look first?
A. Company gossip
B. SDS (Safety Data Sheet)
C. Supervisor opinion
D. Internet search
Correct answer: B
Explanation: SDS provides official hazard and handling information.
10.Who is responsible for providing PPE?
A. Worker
B. Employer
C. OSHA inspector
D. Client
Correct answer: B
Explanation: Employers must provide required PPE at no cost.
11.A ladder must extend above landing surface by at least:
A. 1 foot
B. 2 feet
C. 3 feet
D. 5 feet
Correct answer: C
Explanation: OSHA requires 3 feet extension for safe access.
, 12.What is the main risk of a confined space?
A. High salary work
B. Oxygen deficiency and toxic gases
C. Excess lighting
D. Noise only
Correct answer: B
Explanation: Confined spaces may contain hazardous atmospheres.
13.A worker is operating a forklift. OSHA requires:
A. No training needed
B. Certification/training
C. Supervisor watching only
D. Speed limit sign only
Correct answer: B
Explanation: Only trained and authorized operators can use forklifts.
14.What should be done first in case of a fire?
A. Run randomly
B. Activate alarm and evacuate
C. Continue working
D. Try to extinguish only
Correct answer: B
Explanation: Alert others and evacuate immediately.
15.Which is a leading cause of construction fatalities?
A. Noise
B. Falls
C. Heat
D. Lighting
Correct answer: B
Explanation: Falls are the #1 cause of death in construction.
16.A scaffold plank is cracked. What action is required?
A. Use carefully
B. Replace immediately
