OSHA 510 Exam – 2026/2027 Edition
– Complete Questions & Correct
Answers
Questions with Step-by-Step Answers | 100% Verified | A+ Graded Review
OVERVIEW:
OSHA 510 Exam – 2026/2027 covers essential construction standards including
fall protection, scaffolding, excavation, soil classification, ladders, electrical
safety, PPE, hazard communication, fire protection, welding, cranes,
recordkeeping, Focus Four, competent/qualified persons, inspections, multi-
employer duties, trenching, lead exposure, LOTO, confined space, reporting, and
hierarchy of controls for 2026 compliance mastery, ensuring workers recognize,
evaluate, and control workplace hazards effectively per 1926 standards.
Answers are in bold Green, with rationales after.
1. At what height do you brace a masonry wall?:
A. 8 feet
B. 4 feet
C. 10 feet
D. 6 feet
Rationale: OSHA 1926.706(a) requires masonry walls over 8 ft to be braced to
prevent collapse until permanent support.
2. Minimum clearance for side rails on a ladder:
, A. 10.5 inches
B. 12 inches
C. 11.5 inches
D. 9 inches
Rationale: 1926.1053(a)(4)(ii) requires minimum 11.5" clearance between side
rails for portable ladders.
3. What is the incident rate based on:
A. Number of recordable injuries for more than 100 employees
B. Number of first aid cases for 100 employees
C. Number of OSHA citations per year
D. Number of lost time cases per 50 employees
Rationale: Incident rate formula uses number of recordable cases x 200,000
hours / total hours worked (100 full-time employees).
4. What company does not have to comply with record keeping?:
A. 50 or fewer employees
B. 25 or fewer employees
C. 10 or fewer employees
D. 15 or fewer employees
Rationale: Per 1904.2, employers with 10 or fewer employees at all times during
previous calendar year are partially exempt from OSHA recordkeeping.
5. What are the results of work place injuries:
A. Only increased workers compensation premiums
B. Only damage to equipment
C. Low morale and increase cost to replace and train employees
D. Improved productivity
Rationale: Indirect costs of injuries include low morale, turnover, retraining
costs, and lost productivity beyond direct medical costs.
6. Safety programs need frequent inspections done by:
– Complete Questions & Correct
Answers
Questions with Step-by-Step Answers | 100% Verified | A+ Graded Review
OVERVIEW:
OSHA 510 Exam – 2026/2027 covers essential construction standards including
fall protection, scaffolding, excavation, soil classification, ladders, electrical
safety, PPE, hazard communication, fire protection, welding, cranes,
recordkeeping, Focus Four, competent/qualified persons, inspections, multi-
employer duties, trenching, lead exposure, LOTO, confined space, reporting, and
hierarchy of controls for 2026 compliance mastery, ensuring workers recognize,
evaluate, and control workplace hazards effectively per 1926 standards.
Answers are in bold Green, with rationales after.
1. At what height do you brace a masonry wall?:
A. 8 feet
B. 4 feet
C. 10 feet
D. 6 feet
Rationale: OSHA 1926.706(a) requires masonry walls over 8 ft to be braced to
prevent collapse until permanent support.
2. Minimum clearance for side rails on a ladder:
, A. 10.5 inches
B. 12 inches
C. 11.5 inches
D. 9 inches
Rationale: 1926.1053(a)(4)(ii) requires minimum 11.5" clearance between side
rails for portable ladders.
3. What is the incident rate based on:
A. Number of recordable injuries for more than 100 employees
B. Number of first aid cases for 100 employees
C. Number of OSHA citations per year
D. Number of lost time cases per 50 employees
Rationale: Incident rate formula uses number of recordable cases x 200,000
hours / total hours worked (100 full-time employees).
4. What company does not have to comply with record keeping?:
A. 50 or fewer employees
B. 25 or fewer employees
C. 10 or fewer employees
D. 15 or fewer employees
Rationale: Per 1904.2, employers with 10 or fewer employees at all times during
previous calendar year are partially exempt from OSHA recordkeeping.
5. What are the results of work place injuries:
A. Only increased workers compensation premiums
B. Only damage to equipment
C. Low morale and increase cost to replace and train employees
D. Improved productivity
Rationale: Indirect costs of injuries include low morale, turnover, retraining
costs, and lost productivity beyond direct medical costs.
6. Safety programs need frequent inspections done by:
