100+ Free NCCCO Crane Inspector Practice Questions

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When are severe-service inspections under OSHA 1926.1412 required?

Only when a crane is older than 10 years

Only after a crane is involved in a recordable injury

After each transport between job sites

When equipment is exposed to adverse environmental conditions or operating conditions exceeding manufacturer recommendations

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2026 Statistics

Key Facts: NCCCO Crane Inspector Exam

5 years

Certification Validity

NCCCO Crane Inspector program

1926.1412

OSHA Inspection Rule

29 CFR 1926 Subpart CC

B30.5

Mobile Crane Standard

ASME B30 family

6 in 1 lay

Running-Rope Retirement

ASME B30 wire rope criteria

18+

Minimum Age

NCCCO eligibility

12 months

To Complete Paired Exams

NCCCO certification time frame

As of May 11, 2026, NCCCO Crane Inspector certification continues to use a Core written exam plus a Mobile, Tower, or Overhead specialty written exam, followed by a designation-specific practical evaluation. Inspectors must apply OSHA 29 CFR 1926.1412 inspection categories (modification, repair/adjustment, post-assembly, each shift, monthly, annual/comprehensive, and severe service) and ASME B30 family wear and retirement criteria. NCCCO does not publish a numeric written cut score for the Inspector exams in its public materials.

Sample NCCCO Crane Inspector Practice Questions

Try these sample questions to test your NCCCO Crane Inspector exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Under OSHA 29 CFR 1926.1412, who must perform the each-shift visual inspection of a crane in construction?

A.A third-party qualified inspector only

B.A competent person

C.The crane manufacturer's representative

D.Any operator after the first hour of the shift

Explanation: OSHA 1926.1412(d) requires a competent person to conduct a visual inspection of the equipment each shift it will be used. The qualified person standard applies to the deeper annual/comprehensive inspection, not to the each-shift check.

2Which ASME B30 sub-standard governs mobile and locomotive cranes?

A.ASME B30.2

B.ASME B30.3

C.ASME B30.5

D.ASME B30.22

Explanation: ASME B30.5 covers mobile and locomotive cranes. B30.2 is for overhead and gantry cranes, B30.3 is for construction tower cranes, and B30.22 is for articulating boom cranes.

3Which ASME B30 sub-standard governs construction tower cranes?

A.ASME B30.3

B.ASME B30.4

C.ASME B30.5

D.ASME B30.17

Explanation: ASME B30.3 covers construction tower cranes. B30.4 addresses portal, tower, and pedestal cranes used in industrial and marine settings. B30.5 is mobile, and B30.17 covers underhung trolley overhead cranes.

4Which ASME B30 sub-standard governs top-running overhead and gantry cranes?

A.ASME B30.2

B.ASME B30.11

C.ASME B30.16

D.ASME B30.17

Explanation: ASME B30.2 covers top-running overhead and gantry cranes with single- or multiple-girder configurations. B30.16 governs overhead underhung hoists, and B30.17 covers cranes and monorails with underhung trolleys.

5Per ASME B30 wire rope criteria, a running rope on a crane must be retired when how many randomly distributed broken wires are found in one rope lay?

A.Three

B.Four

C.Five

D.Six

Explanation: ASME B30 wire-rope retirement criteria call for removing running ropes when six randomly distributed broken wires appear in one rope lay, or when three broken wires appear in one strand in one lay. Standing ropes use a stricter three-in-one-lay limit.

6What is the ASME B30 retirement criterion for broken wires in a standing rope (such as a pendant)?

A.Two broken wires in one rope lay

B.Three broken wires in one rope lay

C.Six broken wires in one rope lay

D.Twelve broken wires in one rope lay

Explanation: Standing ropes carry static rather than running loads and are retired when three broken wires appear in one rope lay. The criterion is stricter than the six-in-one-lay limit used for running ropes because standing ropes do not flex through sheaves.

7An inspector measures a 1-inch nominal-diameter running rope and finds a worn section at 0.93 inches. How should this be evaluated against ASME B30 wire-rope criteria?

A.Accept; less than 10% diameter loss is allowed

B.Reject; diameter loss exceeds the typical 5% nominal threshold

C.Accept; rope diameter loss is not a retirement criterion

D.Reject only if there are also broken wires

Explanation: ASME B30 retirement criteria include a reduction from nominal diameter in excess of about 5% for typical running ropes. A 1-inch rope worn to 0.93 inches is a 7% reduction and must be replaced. Diameter loss is a stand-alone retirement criterion that does not depend on broken-wire counts.

8Which wire-rope condition is most clearly a retirement criterion regardless of broken-wire count?

A.Light surface dust on the rope

B.Birdcaging or core protrusion

C.A single twist mark from prior handling

D.Manufacturer's lubricant visible on the surface

Explanation: Birdcaging (where outer wires separate from the core) and core protrusion indicate that the rope has been damaged in a way that compromises strength and integrity. ASME B30 lists these as conditions for immediate retirement, separate from broken-wire counts.

9An inspector finds heat-damaged wire rope showing discolored, scaled wires from a torch event. What is the correct disposition?

A.Brush, lubricate, and return to service

B.Retire the rope - heat damage is a retirement criterion

C.Monitor at the next monthly inspection

D.Acceptable if no broken wires are found

Explanation: Heat damage from torch operations, welding, or fire alters the metallurgy of the wires and is an ASME B30 retirement criterion regardless of broken-wire count. Lubrication does not restore lost strength, and waiting until the next inspection leaves an unsafe rope in service.

10What is the inspector's primary purpose for measuring wire-rope lay length over time?

A.To compute rope cost per foot

B.To detect core deterioration or stretching beyond manufacturer tolerance

C.To convert between IWRC and FC ropes

D.To estimate the next lubrication interval

Explanation: Lay length is the distance along the rope axis in which a single strand makes one complete spiral. Increasing lay length indicates core deterioration or permanent stretch, both of which are reportable conditions that can lead to retirement.

About the NCCCO Crane Inspector Exam

The NCCCO Crane Inspector certification verifies that an inspector can evaluate cranes against OSHA, ASME B30, and manufacturer requirements. Candidates take a Core written exam covering standards, inspection types, components, and reporting, plus a designation-specific specialty written exam for Mobile, Tower, or Overhead cranes, and complete a practical evaluation that includes a written inspection report.

Assessment

Core written exam plus a Mobile, Tower, or Overhead specialty written exam, followed by a designation-specific practical evaluation

Time Limit

Core and each specialty written exam are timed separately per NCCCO scheduling

Passing Score

Pass/fail; NCCCO does not publish a numeric written cut score in its public Crane Inspector materials

Exam Fee

See NCCCO fees page; fees vary by Core, specialty, and practical combination (NCCCO / Prometric (written) and NCCCO-accredited providers (practical))

NCCCO Crane Inspector Exam Content Outline

Core

Standards and Regulations

OSHA 29 CFR 1926 Subpart CC (especially 1926.1412), 29 CFR 1910 overlap, ASME B30 family, and manufacturer/jurisdictional requirements.

Core

Inspection Types and Frequencies

Pre-operational/each-shift, monthly, annual/comprehensive, post-assembly, post-modification/repair, and severe-service inspections.

Core and Specialty

Components and Wear Criteria

Wire rope retirement, hook deformation, sheave and drum wear, brakes, hydraulic/pneumatic/electrical systems, structural welds, and safety devices.

Specialty

Designation-Specific Inspection

Mobile (ASME B30.5), Tower (B30.3 / B30.4), and Overhead/Gantry (B30.2 / B30.16 / B30.17) inspection configurations and acceptance criteria.

How to Pass the NCCCO Crane Inspector Exam

What You Need to Know

Passing score: Pass/fail; NCCCO does not publish a numeric written cut score in its public Crane Inspector materials
Assessment: Core written exam plus a Mobile, Tower, or Overhead specialty written exam, followed by a designation-specific practical evaluation
Time limit: Core and each specialty written exam are timed separately per NCCCO scheduling
Exam fee: See NCCCO fees page; fees vary by Core, specialty, and practical combination

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

NCCCO Crane Inspector Study Tips from Top Performers

1Memorize the OSHA 1926.1412 inspection categories cold: modification, repair/adjustment, post-assembly, each-shift, monthly, annual/comprehensive, and severe-service. Know who performs each and what is in scope.

2Build a one-page map of the ASME B30 family. The Inspector exam expects you to know which sub-standard governs which crane type.

3Drill wire rope retirement criteria with numbers, not just concepts: 6 randomly distributed broken wires in one lay (running rope), 3 broken wires in one strand in one lay, 3 broken wires in one lay (standing rope), plus diameter, corrosion, and lay-length checks.

4Use a sheave gauge mental model for every sheave question. Groove wear, flange wear, and bearing condition are recurring distractors.

5Treat hook inspection as judgment, not measurement alone. Cracks, throat opening, twist, latch operation, and the need for NDE on painted hooks all matter.

6Practice deciding between lockout, major correction, and minor monitor severity. Inspector questions punish over- or under-classification.

7Verify safety devices by deliberate test: ATB, LMI/RCL, limit switches, and backup alarms must be exercised, not just visually inspected.

8Write inspection findings in your head as you read scenarios. Identify the deficiency, cite the standard, classify severity, and recommend the action - this mirrors how Inspector practical reports are graded.

Frequently Asked Questions

How is the NCCCO Crane Inspector exam structured?

NCCCO Crane Inspector candidates take a Core written exam plus a designation-specific specialty written exam (Mobile, Tower, or Overhead), and complete a corresponding practical evaluation that includes a written inspection report.

What standards does an NCCCO Crane Inspector need to know?

Inspectors must know OSHA 29 CFR 1926 Subpart CC (especially 1926.1412 inspections), relevant 29 CFR 1910 general-industry rules, the ASME B30 family of standards, and the manufacturer's inspection requirements for the specific crane.

What inspection categories does OSHA 1926.1412 require?

OSHA 1926.1412 requires modification, repair/adjustment, post-assembly, each-shift, monthly, annual/comprehensive, and severe-service inspections. Each category specifies who must perform it (competent person or qualified person) and what must be evaluated.

How long is NCCCO Crane Inspector certification valid?

NCCCO Crane Inspector certification is valid for five years. Recertification is completed during the window NCCCO defines in its current handbook, and may include written and/or practical components depending on documented inspection experience.

What is the wire rope retirement criterion most often tested?

ASME B30 retires running ropes when six randomly distributed broken wires appear in one rope lay or three broken wires appear in one strand in one lay. Standing ropes are retired at three broken wires in one rope lay. Additional criteria cover diameter loss, corrosion, heat damage, kinking, and core protrusion.

What current standards matter for NCCCO Crane Inspector preparation in 2026?

OSHA 29 CFR 1926.1412 and 1926.1413 remain the federal inspection framework. The ASME B30 family - especially B30.5 mobile, B30.3 tower, B30.4 portal/pedestal tower, B30.2 overhead/gantry, B30.9 slings, B30.10 hooks, and B30.26 rigging hardware - drives wear and retirement criteria.