Master the NCCER Ironworker Exam:
200 Practice Questions Covering
Structural, Rebar, Rigging, Welding,
and Safety With Verified Answers
1. What is the primary purpose of wearing a hard hat on a job site?
A) To keep your head warm
B) To protect the head from falling objects and impacts
C) To look professional
D) To hold safety glasses in place
Answer: B
2. When rigging a load, what is the minimum factor of safety that
should be used for the sling?
A) 1
B) 3
C) 5
D) 10
Answer: C
3. Which of the following tools is used to cut steel?
A) Hacksaw
B) Chipping hammer
C) Oxy-acetylene torch
D) Both A and C
Answer: D
4. What type of weld is commonly used to join two pieces of
structural steel at a right angle?
A) Butt weld
B) Fillet weld
C) Groove weld
,D) Plug weld
Answer: B
5. Which Personal Protective Equipment (PPE) is required when
working at heights above 6 feet?
A) Safety glasses
B) Hard hat
C) Fall arrest system
D) Steel-toed boots
Answer: C
6. Which welding process uses a continuously fed electrode and a
shielding gas?
A) SMAW (Stick)
B) FCAW (Flux-cored)
C) GMAW (MIG)
D) GTAW (TIG)
Answer: C
7. What is the main purpose of a plumb bob?
A) Measure angles
B) Check vertical alignment
C) Mark centerlines
D) Measure distance
Answer: B
8. Which fastener is most commonly used to secure steel beams in
structural ironwork?
A) Nails
B) Lag bolts
C) Structural bolts
D) Wood screws
Answer: C
9. Which type of load is considered a "live load" in structural steel
design?
A) The weight of the steel beams
B) Weight of furniture and occupants
C) Weight of the foundation
,D) Weight of permanent fixtures
Answer: B
10. What is the minimum distance a worker must stay from power
lines rated 50kV or higher?
A) 5 feet
B) 10 feet
C) 15 feet
D) 20 feet
Answer: B
11. Which type of steel beam has an "I" cross-section?
A) Angle iron
B) Channel
C) Wide flange beam
D) Tube steel
Answer: C
12. Which welding defect occurs when the weld metal cracks due to
shrinkage or cooling?
A) Porosity
B) Undercut
C) Cracking
D) Spatter
Answer: C
13. Which type of ironworker is responsible for reinforcing concrete
with rebar?
A) Structural ironworker
B) Reinforcing ironworker
C) Ornamental ironworker
D) Steel erector
Answer: B
14. A document that outlines weights, crane configuration, and
rigging requirements for a lift is called a(n):
A) Lift plan
B) Safety data sheet
C) Inspection report
, D) Permit
Answer: A
15. What should always be used to ignite a cutting torch?
A) A lighter
B) A striker
C) Matches
D) Another torch
Answer: B
16. According to AISC, what is the minimum required edge distance
for A325 bolts in standard holes to prevent shear tear-out?
A) 1.0 inch
B) 1.25 inches
C) 1.5 inches
D) 2.0 inches
Answer: B
17. In crane operations, what is a jib?
A) The main vertical mast
B) The operator's cab
C) An extension of the main boom
D) The counterweight
Answer: C
18. Which of the following bolt types is known as a "soft" bolt
generally used in static load structures?
A) A325
B) A490
C) A307
D) A449
Answer: C
19. A welding electrode marked as E7018 can be used to weld:
A) In flat position only
B) In horizontal position only
C) In all positions
D) Vertical down only
Answer: C
200 Practice Questions Covering
Structural, Rebar, Rigging, Welding,
and Safety With Verified Answers
1. What is the primary purpose of wearing a hard hat on a job site?
A) To keep your head warm
B) To protect the head from falling objects and impacts
C) To look professional
D) To hold safety glasses in place
Answer: B
2. When rigging a load, what is the minimum factor of safety that
should be used for the sling?
A) 1
B) 3
C) 5
D) 10
Answer: C
3. Which of the following tools is used to cut steel?
A) Hacksaw
B) Chipping hammer
C) Oxy-acetylene torch
D) Both A and C
Answer: D
4. What type of weld is commonly used to join two pieces of
structural steel at a right angle?
A) Butt weld
B) Fillet weld
C) Groove weld
,D) Plug weld
Answer: B
5. Which Personal Protective Equipment (PPE) is required when
working at heights above 6 feet?
A) Safety glasses
B) Hard hat
C) Fall arrest system
D) Steel-toed boots
Answer: C
6. Which welding process uses a continuously fed electrode and a
shielding gas?
A) SMAW (Stick)
B) FCAW (Flux-cored)
C) GMAW (MIG)
D) GTAW (TIG)
Answer: C
7. What is the main purpose of a plumb bob?
A) Measure angles
B) Check vertical alignment
C) Mark centerlines
D) Measure distance
Answer: B
8. Which fastener is most commonly used to secure steel beams in
structural ironwork?
A) Nails
B) Lag bolts
C) Structural bolts
D) Wood screws
Answer: C
9. Which type of load is considered a "live load" in structural steel
design?
A) The weight of the steel beams
B) Weight of furniture and occupants
C) Weight of the foundation
,D) Weight of permanent fixtures
Answer: B
10. What is the minimum distance a worker must stay from power
lines rated 50kV or higher?
A) 5 feet
B) 10 feet
C) 15 feet
D) 20 feet
Answer: B
11. Which type of steel beam has an "I" cross-section?
A) Angle iron
B) Channel
C) Wide flange beam
D) Tube steel
Answer: C
12. Which welding defect occurs when the weld metal cracks due to
shrinkage or cooling?
A) Porosity
B) Undercut
C) Cracking
D) Spatter
Answer: C
13. Which type of ironworker is responsible for reinforcing concrete
with rebar?
A) Structural ironworker
B) Reinforcing ironworker
C) Ornamental ironworker
D) Steel erector
Answer: B
14. A document that outlines weights, crane configuration, and
rigging requirements for a lift is called a(n):
A) Lift plan
B) Safety data sheet
C) Inspection report
, D) Permit
Answer: A
15. What should always be used to ignite a cutting torch?
A) A lighter
B) A striker
C) Matches
D) Another torch
Answer: B
16. According to AISC, what is the minimum required edge distance
for A325 bolts in standard holes to prevent shear tear-out?
A) 1.0 inch
B) 1.25 inches
C) 1.5 inches
D) 2.0 inches
Answer: B
17. In crane operations, what is a jib?
A) The main vertical mast
B) The operator's cab
C) An extension of the main boom
D) The counterweight
Answer: C
18. Which of the following bolt types is known as a "soft" bolt
generally used in static load structures?
A) A325
B) A490
C) A307
D) A449
Answer: C
19. A welding electrode marked as E7018 can be used to weld:
A) In flat position only
B) In horizontal position only
C) In all positions
D) Vertical down only
Answer: C
