Arizona R-51 Steel Contractor Exam
200 Practice Questions with Correct
Answers & Detailed Rationales
ARIZONA REGISTRAR OF CONTRACTORS (ROC)
R-51 Steel Contractor License Examination
Complete Practice Test Bank | 2026/2027 Edition
Exam Provider: PSI Services (Arizona ROC)
Exam Format: Closed Book, Multiple Choice
Primary References: AISC Steel Construction Manual, AWS D1.1, OSHA 29 CFR Part 1926,
ASTM Standards, Arizona R4-30 Administrative Rules
Passing Score: 70% (Minimum)
TABLE OF CONTENTS
1. Exam Overview & Key Information ………………………………………………………… 3
2. Section 1: General Requirements & Safety (Questions 1-30) ………………………… 4
3. Section 2: Steel Materials & Properties (Questions 31-55) ………………………… 7
4. Section 3: Fabrication & Shop Operations (Questions 56-80) ………………………… 9
5. Section 4: Erection & Installation (Questions 81-110) ……………………………… 11
6. Section 5: Connections & Fasteners (Questions 111-135) …………………………… 14
7. Section 6: Welding & Metallurgy (Questions 136-155) ……………………………… 16
8. Section 7: Blueprint Reading & Estimating (Questions 156-180) ………………… 18
,9. Section 8: Business & Law (Questions 181-200) ……………………………………… 20
10. Complete Answer Key ……………………………………………………………………… 22
1. EXAM OVERVIEW & KEY INFORMATION
What Is the R-51 Steel Contractor License?
The Arizona R-51 Steel Contractor License is issued by the Arizona Registrar of Contractors
(ROC). It authorizes the holder to fabricate, erect, and install structural steel components for
commercial and residential construction projects, including steel framing, columns, beams, and
related structural elements.
Exam Structure
| Feature | Detail |
||--|
| Total Questions | 80-115 (varies by exam version) |
| Time Limit | 2.5 - 3 hours |
| Passing Score | 70% (minimum) |
| Administered By | PSI Services |
| Exam Type | Closed Book |
Key Reference Standards
| Standard | Description |
|-|-|
| AISC Steel Construction Manual | Design and construction of structural steel |
| AWS D1.1 | Structural Welding Code – Steel |
| ASTM A6/A36/A572/A992 | Steel material specifications |
| OSHA 29 CFR Part 1926 | Construction safety standards |
| International Building Code (IBC) | Minimum structural design requirements |
Core Competency Areas
| Topic Area | Approx. Weight |
||-|
| General Requirements & Safety | 15% |
| Materials & Properties | 15% |
| Fabrication & Shop Operations | 15% |
| Erection & Installation | 20% |
| Connections & Fasteners | 15% |
,| Welding & Metallurgy | 10% |
| Blueprint Reading & Estimating | 10% |
2. SECTION 1: GENERAL REQUIREMENTS & SAFETY (Questions 1-30)
Q1. The acronym PPE in safety standards stands for:
A) Professional Protective Equipment
B) Personal Protective Equipment
C) Primary Protective Elements
D) Personnel Protective Ensemble
Answer: B
Rationale: PPE stands for Personal Protective Equipment, which includes hard hats, safety
glasses, gloves, and other gear used to protect workers from injury.
Q2. What is the minimum required fall protection height for workers in the steel erection industry
according to OSHA?
A) 6 feet
B) 10 feet
C) 15 feet
D) 20 feet
Answer: C
Rationale: OSHA 1926.760 requires fall protection for connectors at heights over 15 feet in steel
erection.
Q3. The "Hearing Conservation Program" is mandated by OSHA when noise levels reach an
8-hour time-weighted average of:
A) 70 decibels
B) 75 decibels
C) 85 decibels
, D) 90 decibels
Answer: C
Rationale: OSHA requires a Hearing Conservation Program when workers are exposed to an
8-hour TWA of 85 decibels or above.
Q4. To prevent exposure to hazardous materials, an SDS is a(n):
A) Safety Data Sheet
B) Site Delivery Schedule
C) Structural Design Summary
D) Steel Detail Sheet
Answer: A
Rationale: A Safety Data Sheet (SDS) provides information on the hazards, handling, and
emergency procedures for chemical products.
Q5. A "competent person" is defined by OSHA as someone who:
A) Has a degree in safety management
B) Is authorized to stop unsafe work and has the knowledge to identify hazards
C) Has worked in the industry for 10 years
D) Has completed a safety course
Answer: B
Rationale: OSHA defines a competent person as one who is capable of identifying hazards and
has the authority to take corrective action.
Q6. The maximum height allowed for a toe board to prevent slips and trips is typically:
A) 2 inches
B) 3.5 inches
C) 4 inches
D) 6 inches
200 Practice Questions with Correct
Answers & Detailed Rationales
ARIZONA REGISTRAR OF CONTRACTORS (ROC)
R-51 Steel Contractor License Examination
Complete Practice Test Bank | 2026/2027 Edition
Exam Provider: PSI Services (Arizona ROC)
Exam Format: Closed Book, Multiple Choice
Primary References: AISC Steel Construction Manual, AWS D1.1, OSHA 29 CFR Part 1926,
ASTM Standards, Arizona R4-30 Administrative Rules
Passing Score: 70% (Minimum)
TABLE OF CONTENTS
1. Exam Overview & Key Information ………………………………………………………… 3
2. Section 1: General Requirements & Safety (Questions 1-30) ………………………… 4
3. Section 2: Steel Materials & Properties (Questions 31-55) ………………………… 7
4. Section 3: Fabrication & Shop Operations (Questions 56-80) ………………………… 9
5. Section 4: Erection & Installation (Questions 81-110) ……………………………… 11
6. Section 5: Connections & Fasteners (Questions 111-135) …………………………… 14
7. Section 6: Welding & Metallurgy (Questions 136-155) ……………………………… 16
8. Section 7: Blueprint Reading & Estimating (Questions 156-180) ………………… 18
,9. Section 8: Business & Law (Questions 181-200) ……………………………………… 20
10. Complete Answer Key ……………………………………………………………………… 22
1. EXAM OVERVIEW & KEY INFORMATION
What Is the R-51 Steel Contractor License?
The Arizona R-51 Steel Contractor License is issued by the Arizona Registrar of Contractors
(ROC). It authorizes the holder to fabricate, erect, and install structural steel components for
commercial and residential construction projects, including steel framing, columns, beams, and
related structural elements.
Exam Structure
| Feature | Detail |
||--|
| Total Questions | 80-115 (varies by exam version) |
| Time Limit | 2.5 - 3 hours |
| Passing Score | 70% (minimum) |
| Administered By | PSI Services |
| Exam Type | Closed Book |
Key Reference Standards
| Standard | Description |
|-|-|
| AISC Steel Construction Manual | Design and construction of structural steel |
| AWS D1.1 | Structural Welding Code – Steel |
| ASTM A6/A36/A572/A992 | Steel material specifications |
| OSHA 29 CFR Part 1926 | Construction safety standards |
| International Building Code (IBC) | Minimum structural design requirements |
Core Competency Areas
| Topic Area | Approx. Weight |
||-|
| General Requirements & Safety | 15% |
| Materials & Properties | 15% |
| Fabrication & Shop Operations | 15% |
| Erection & Installation | 20% |
| Connections & Fasteners | 15% |
,| Welding & Metallurgy | 10% |
| Blueprint Reading & Estimating | 10% |
2. SECTION 1: GENERAL REQUIREMENTS & SAFETY (Questions 1-30)
Q1. The acronym PPE in safety standards stands for:
A) Professional Protective Equipment
B) Personal Protective Equipment
C) Primary Protective Elements
D) Personnel Protective Ensemble
Answer: B
Rationale: PPE stands for Personal Protective Equipment, which includes hard hats, safety
glasses, gloves, and other gear used to protect workers from injury.
Q2. What is the minimum required fall protection height for workers in the steel erection industry
according to OSHA?
A) 6 feet
B) 10 feet
C) 15 feet
D) 20 feet
Answer: C
Rationale: OSHA 1926.760 requires fall protection for connectors at heights over 15 feet in steel
erection.
Q3. The "Hearing Conservation Program" is mandated by OSHA when noise levels reach an
8-hour time-weighted average of:
A) 70 decibels
B) 75 decibels
C) 85 decibels
, D) 90 decibels
Answer: C
Rationale: OSHA requires a Hearing Conservation Program when workers are exposed to an
8-hour TWA of 85 decibels or above.
Q4. To prevent exposure to hazardous materials, an SDS is a(n):
A) Safety Data Sheet
B) Site Delivery Schedule
C) Structural Design Summary
D) Steel Detail Sheet
Answer: A
Rationale: A Safety Data Sheet (SDS) provides information on the hazards, handling, and
emergency procedures for chemical products.
Q5. A "competent person" is defined by OSHA as someone who:
A) Has a degree in safety management
B) Is authorized to stop unsafe work and has the knowledge to identify hazards
C) Has worked in the industry for 10 years
D) Has completed a safety course
Answer: B
Rationale: OSHA defines a competent person as one who is capable of identifying hazards and
has the authority to take corrective action.
Q6. The maximum height allowed for a toe board to prevent slips and trips is typically:
A) 2 inches
B) 3.5 inches
C) 4 inches
D) 6 inches
