Page 1 of 178
RIGGING CML MASTERLIST EXAM WITH 300 QUESTIONS
AND CORRECT DETAILED SOLUTIONS WITH RATIONALES
LATEST UPDATED VERSION THIS YEAR 2026-2027
Question 1
What is the primary function of a shackle in a rigging assembly?
A) To provide a permanent connection point for welding
B) To serve as a removable link to connect various rigging components
C) To measure the tension on a sling leg
D) To act as a counterweight for unbalanced loads
Correct Answer: B
Rationale: A shackle is a U-shaped, load-bearing connector with a removable pin or bolt. It
serves as a primary, reusable link between rigging components, allowing for quick assembly and
disassembly.
Question 2
According to ASME B30.26, how often must all rigging hardware in active service undergo a
documented periodic inspection?
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A) At least once a year
B) At least once a month
C) At least once every shift
D) At least once every 12 months for a documented periodic inspection
Correct Answer: D
Rationale: ASME B30.26 requires a documented periodic inspection at least annually, with
frequent inspections (daily to monthly) based on the severity of service conditions.
Question 3
What does the acronym "WLL" stand for in rigging?
A) Working Load Limit
B) Weight Lifting Leverage
C) Wire Load Limit
D) Work Lift Level
Correct Answer: A
Rationale: WLL stands for Working Load Limit, which is the maximum load that a piece of
rigging equipment is designed to safely handle under normal service conditions.
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Question 4
Which of the following is NOT an acceptable method of identifying the working load limit (WLL)
on a rigging component?
A) Stamped on the component
B) Tag attached to the component
C) Color-coded identification
D) Verbal communication from the supervisor
Correct Answer: D
Rationale: WLL must be permanently marked on the component, attached via a tag, or identified
through an approved color-coding system. Verbal communication is not an acceptable method.
Question 5
What is the purpose of a "tag line" in a rigging operation?
A) To hold the load securely during transport
B) To control the load and prevent swinging
C) To measure the weight of the load
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D) To attach the load to the crane hook
Correct Answer: B
Rationale: A tag line is a rope or line attached to a load to guide and control it during lifting,
preventing uncontrolled swinging or rotation.
Question 6
What is the recommended method for inspecting wire rope slings?
A) Visual inspection only
B) Visual inspection and feel for broken wires
C) Magnetic particle inspection
D) X-ray inspection
Correct Answer: B
Rationale: Wire rope slings should be inspected visually and by feel (running a gloved hand
along the rope) to detect broken wires, kinks, corrosion, or other damage.
RIGGING CML MASTERLIST EXAM WITH 300 QUESTIONS
AND CORRECT DETAILED SOLUTIONS WITH RATIONALES
LATEST UPDATED VERSION THIS YEAR 2026-2027
Question 1
What is the primary function of a shackle in a rigging assembly?
A) To provide a permanent connection point for welding
B) To serve as a removable link to connect various rigging components
C) To measure the tension on a sling leg
D) To act as a counterweight for unbalanced loads
Correct Answer: B
Rationale: A shackle is a U-shaped, load-bearing connector with a removable pin or bolt. It
serves as a primary, reusable link between rigging components, allowing for quick assembly and
disassembly.
Question 2
According to ASME B30.26, how often must all rigging hardware in active service undergo a
documented periodic inspection?
, Page 2 of 178
A) At least once a year
B) At least once a month
C) At least once every shift
D) At least once every 12 months for a documented periodic inspection
Correct Answer: D
Rationale: ASME B30.26 requires a documented periodic inspection at least annually, with
frequent inspections (daily to monthly) based on the severity of service conditions.
Question 3
What does the acronym "WLL" stand for in rigging?
A) Working Load Limit
B) Weight Lifting Leverage
C) Wire Load Limit
D) Work Lift Level
Correct Answer: A
Rationale: WLL stands for Working Load Limit, which is the maximum load that a piece of
rigging equipment is designed to safely handle under normal service conditions.
, Page 3 of 178
Question 4
Which of the following is NOT an acceptable method of identifying the working load limit (WLL)
on a rigging component?
A) Stamped on the component
B) Tag attached to the component
C) Color-coded identification
D) Verbal communication from the supervisor
Correct Answer: D
Rationale: WLL must be permanently marked on the component, attached via a tag, or identified
through an approved color-coding system. Verbal communication is not an acceptable method.
Question 5
What is the purpose of a "tag line" in a rigging operation?
A) To hold the load securely during transport
B) To control the load and prevent swinging
C) To measure the weight of the load
, Page 4 of 178
D) To attach the load to the crane hook
Correct Answer: B
Rationale: A tag line is a rope or line attached to a load to guide and control it during lifting,
preventing uncontrolled swinging or rotation.
Question 6
What is the recommended method for inspecting wire rope slings?
A) Visual inspection only
B) Visual inspection and feel for broken wires
C) Magnetic particle inspection
D) X-ray inspection
Correct Answer: B
Rationale: Wire rope slings should be inspected visually and by feel (running a gloved hand
along the rope) to detect broken wires, kinks, corrosion, or other damage.
