Crush the RT02 Crawler Crane Renewal Test: 129 Expert Practice Questions

1. Why is lowering the jib of a tower crane particularly important at the end of a shift?

 

1. A) To save energy
2. B) To prevent wear and tear on the jib
3. C) To facilitate crane inspections
4. D) To allow the tower crane to weather vane in response to wind direction

 

Correct Answer: D) To allow the tower crane to weather vane in response to wind direction

 

2. What is the potential consequence if one or both tracks of a crawler crane start sinking?

 

1. A) Improved crane stability
2. B) Crane becoming more efficient
3. C) Exceeding the maximum radius and potential overturn
4. D) No impact on crane operations

 

Correct Answer: C) Exceeding the maximum radius and potential overturn

 

3. What does the formula D + d ≥ 2h represent with regards to trench excavations?

 

1. A) The maximum ground slope for outrigger stability
2. B) The minimum undercut depth for access
3. C) The minimum distance from the edge for equipment
4. D) The maximum depth for personnel access

 

Correct Answer: C) The minimum distance from the edge for equipment

 

4. When must RCIs never be overridden?

 

1. A) Only during diagnostic testing
2. B) During routine crane maintenance
3. C) During lifting operations
4. D) Only during operator training

 

Correct Answer: C) During lifting operations

 

5. What is the recommended criteria for temporary or inbuilt access ladders?

 

1. A) Rungs must be entirely smooth for easy cleaning
2. B) The rung must provide insufficient foot grip to minimize slipping
3. C) The center of the foot should not reach the rung
4. D) There should be sufficient foot penetration on each rung, and the rung must provide sufficient foot grip to minimize slipping

 

Correct Answer: D) There should be sufficient foot penetration on each rung, and the rung must provide sufficient foot grip to minimize slipping

 

6. When must ground conditions be checked for a crawler crane?

 

1. A) Only during routine crane maintenance
2. B) Before carrying out static lifting duties
3. C) Only during pick and carry duties
4. D) After a crane has exceeded the maximum radius

 

Correct Answer: B) Before carrying out static lifting duties

 

7. What is the potential consequence of slewing too fast with a load, especially near the rated capacity?

 

1. A) Improved load stability
2. B) Reduced crane wear and tear
3. C) Crane becoming more efficient
4. D) Load overshooting the landing place and striking a structure or object

 

Correct Answer: D) Load overshooting the landing place and striking a structure or object

 

8. What does the Rated Capacity Indicator (RCI) on a crane provide warnings for?

 

1. A) Only for weather conditions
2. B) Approaching maximum rated capacity
3. C) Operator fatigue
4. D) Routine maintenance

 

Correct Answer: B) Approaching maximum rated capacity

 

9. What are the requirements if the lifting of persons is to take place?

 

1. A) Only a plan for evacuation
2. B) Additional considerations such as sixmonthly checks and a plan for evacuation
3. C) Only regulatory paperwork
4. D) No specific requirements

 

Correct Answer: B) Additional considerations such as sixmonthly checks and a plan for evacuation

 

10. Where should the hook of a crawler crane be placed when lifting a load?

 

1. A) Anywhere above the load
2. B) Directly above the centre of gravity for the load
3. C) At the centre of the load
4. D) As close as possible to the load’s edge

 

Correct Answer: B) Directly above the centre of gravity for the load

 

11. What parameter in the formula D + d ≥ 2h has a value of zero for vertical trench walls?

 

1. A) D the horizontal distance
2. B) d the sloped distance
3. C) h the trench height
4. D) ≥ the equal to or greater than sign

 

Correct Answer: B) d  the sloped distance

 

12. Why does lifting guidance advise minimizing the moving of a suspended load overhead?

 

1. A) To reduce crane wear and tear
2. B) To increase the efficiency of the lifting operation
3. C) To avoid obstructing the crane operator’s view
4. D) To minimize the risk to workers and pedestrians

 

Correct Answer: D) To minimize the risk to workers and pedestrians

 

13. Why is it important for temporary or inbuilt access ladders to provide sufficient foot grip?

 

1. A) To increase ladder portability
2. B) To enhance ladder aesthetics
3. C) To minimize wear and tear on the ladder
4. D) To minimize slipping and ensure safety

 

Correct Answer: D) To minimize slipping and ensure safety

 

14. What is a legislative requirement for lifting operations?

 

1. A) Devising a lift plan
2. B) Thorough examinations
3. C) Daily checks
4. D) Operator training

 

Correct Answer: A) Devising a lift plan

 

15. If a trench has a sloped edge, where is the horizontal distance measured from?

 

1. A) The trench bottom to the crane
2. B) From the foot to the top edge of the slope
3. C) The trench centre to the top of the trench
4. D) Ground level to the highest point

 

Correct Answer: B) From the foot to the top edge of the slope