Crane Inspection Assessment Criteria

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Questions and Answers

Which method of CPD involves hands-on learning experiences like workshops or training courses?

  • Active (correct)
  • Passive
  • Self-directed
  • Reflective

What is a key benefit of reflective CPD methods?

  • Increases self-awareness (correct)
  • Immediate application of skills
  • Ensures knowledge is up to date
  • Provides structured learning environments

Which of the following is NOT an example of self-directed CPD?

  • Internet searches for learning materials
  • Browsing industry articles
  • Reading books
  • Attending a workshop (correct)

What role does the employer play in the CPD process?

<p>They maintain a CPD record for each competent person (D)</p> Signup and view all the answers

Which of the following best describes self-directed CPD?

<p>Independent exploration of learning resources (B)</p> Signup and view all the answers

Which method of CPD typically helps to identify learning needs?

<p>Reflective (D)</p> Signup and view all the answers

Why is it important to keep a CPD record?

<p>To provide details on CPD achievements (D)</p> Signup and view all the answers

Which of the following is a characteristic of active CPD?

<p>Participation in conferences and workshops (D)</p> Signup and view all the answers

What does the MRT method primarily detect in wire rope?

<p>Corrosion (A)</p> Signup and view all the answers

How does the MRT method detect issues in the wire rope?

<p>By passing it through a permanent magnet (B)</p> Signup and view all the answers

Why is it difficult to examine the core of multi-strand crane ropes without MRT?

<p>The underlying layers are laid in the opposite direction (A)</p> Signup and view all the answers

What is established when wire rope manufacturers use MRT during the production process?

<p>A baseline to monitor deterioration (B)</p> Signup and view all the answers

What is one limitation of using special tools for normal examination of wire rope without MRT?

<p>They provide visibility of only a small percentage of the rope’s length (B)</p> Signup and view all the answers

What is Loss of Metallic Area (LMA) in the context of wire rope?

<p>Deterioration due to corrosion and breaks (D)</p> Signup and view all the answers

What is the significance of assessing the functionality of crane components?

<p>To verify that all components meet the manufacturer’s intended purpose (A)</p> Signup and view all the answers

Which condition should be evaluated for rope fit and reeving?

<p>Specifications set by the manufacturer (D)</p> Signup and view all the answers

What aspect of brake performance is essential during assessment?

<p>Manufacturers' specified tolerances (A)</p> Signup and view all the answers

Which of the following is NOT a factor in assessing the security of crane components?

<p>Presence of safety labels (B)</p> Signup and view all the answers

What type of damage should be noted during crane examination for metal fatigue?

<p>Visible wear on moving parts (B)</p> Signup and view all the answers

Which of the following conditions relates specifically to leakage in crane systems?

<p>Presence and condition of fluid levels (D)</p> Signup and view all the answers

What is the primary role of ensuring adequate lubrication in crane components?

<p>To prevent wear and maintain functionality (A)</p> Signup and view all the answers

What factor is critical when evaluating the condition of cranes operating in corrosive environments?

<p>The condition of the wire ropes (D)</p> Signup and view all the answers

What is the primary purpose of a positive swing lock on mobile telescoping cranes?

<p>To prevent the boom from swinging unexpectedly while locked (D)</p> Signup and view all the answers

What safety feature was traditionally used on older cranes to ensure the coupling rotated with the crane?

<p>Safety chain (D)</p> Signup and view all the answers

Why are dial test indicator measurements rarely utilized?

<p>They are often non-conclusive without previous data (C)</p> Signup and view all the answers

What is one of the key roles of a central rotary distributor on mobile telescoping cranes?

<p>To enable the crane to rotate through a 360° arc (A)</p> Signup and view all the answers

What must be checked to ensure the safety of the central rotary distributor?

<p>The security of fastenings and the condition of hydraulic hoses (C)</p> Signup and view all the answers

What is a potential hazard associated with the boom being in the upright position during transport?

<p>Increased risk of the boom rotating unexpectedly (C)</p> Signup and view all the answers

Which of the following statements is true regarding mobile telescoping cranes?

<p>They can perform crane actions normally with a rotated cab (C)</p> Signup and view all the answers

What can be concluded about previous data in relation to dial test indicator measurements?

<p>Without previous data, the measurements are often inconclusive (A)</p> Signup and view all the answers

What is a crucial factor to check on single stage ram systems?

<p>The operation of the boom pin locking system (C)</p> Signup and view all the answers

Which component is NOT considered part of boom furniture?

<p>Load carrying hook (B)</p> Signup and view all the answers

What can lead to false length readings on the cable reeling drum?

<p>Cable laid in a disorganized manner (D)</p> Signup and view all the answers

What distinguishes a fly jib from a luffing jib?

<p>A fly jib remains fixed during a lift, while a luffing jib moves. (B)</p> Signup and view all the answers

How is the telescopic length determined in a cable reeling system?

<p>By the diameter of the cable drum and number of turns (D)</p> Signup and view all the answers

What happens if the jib attachment pins are not properly stowed?

<p>Incorrect pins may be used for attachment during lift. (A)</p> Signup and view all the answers

Which of these is responsible for transmitting the anti-two block signal?

<p>The length of cable mounted at the tip of the boom (D)</p> Signup and view all the answers

What is a primary function of pressure transducers in the boom system?

<p>To provide actual load measurements (C)</p> Signup and view all the answers

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Study Notes

Assessment Criteria for Crane Examination

  • Examination assesses defects impacting crane strength or functionality.
  • Important components for assessment include:
    • Limiting and indicating devices' accuracy within manufacturer's tolerance.
    • Adjustments and alignment as per manufacturer specifications.
    • Bearing play, backlash, brake performance should meet manufacturer standards.
    • Corrosion, cracks, distortion, and damage must not affect strength or functionality.
    • Fluid levels and rope condition also assessed according to manufacturer tolerances.

Competence in Professional Development (CPD)

  • Joint responsibility between competent person and employer to maintain CPD records.
  • Records must detail how CPD is achieved.
  • Three methods of CPD:
    • Active: Participation in training courses, seminars, workshops, ensuring up-to-date knowledge.
    • Reflective: Engaging with articles, case studies, and journals to recognize personal learning growth.
    • Self-Directed: Independent research and reading to improve understanding of relevant information.

Safety Features of Mobile Cranes

  • Positive swing locks are mandatory for mobile telescoping cranes to prevent boom swinging during transport.
  • Essential for safe operation, especially in pick-and-carry scenarios.

Central Rotary Distributor Functionality

  • Allows cranes to rotate 360° with secure fastenings and leak-free hydraulic connections.
  • Ensures all crane actions function normally even when the cab is rotated.
  • Examine hydraulic hoses and locking systems for proper operation.

Boom Furniture and Functionality

  • Includes boom length/angle sensors, cable reeling drums, limit switches, and dynamometers.
  • Proper attachments are crucial for the effectiveness of rated capacity indicators and limiters.

Cable Reeling Drum Accuracy

  • Proper cable layout on the drum is vital for accurate length readings during crane operation.
  • Affects anti-two block signal transmission and overall operational safety.

Fly Jibs vs. Luffing Jibs

  • Fly jibs are fixed during lifting; main boom adjusts.
  • Luffing jibs move the main boom, which stays at a fixed length and angle.
  • Proper stowage of jib attachment pins is important when not in use.

Magnetic Rope Testing (MRT)

  • MRT assesses wire rope integrity by detecting breaks or corrosion through passing it across a magnet.
  • Produces a "birth certificate" baseline for wire ropes, enabling monitoring of deterioration over time.
  • Essential for high integrity cranes, particularly in offshore applications, ensuring safety and reliability.

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