ACP Navisworks 2 — Questions and Answers
Question 1: Which tool in Navisworks is used to automatically detect conflicts and interferences between model elements?
- TimeLiner
- Clash Detective (Correct answer)
- Quantification
- Scripter
Correct answer: Clash Detective
Clash Detective runs tests to identify geometric conflicts between objects from different disciplines or models, which is core to BIM coordination.
Question 2: What is a 'soft clash' in Navisworks Clash Detective?
- A clash where two objects physically overlap in geometry
- A clash based on a clearance distance where objects come within a defined proximity (Correct answer)
- A clash that has been approved and dismissed
- A clash between two identical model elements
Correct answer: A clash based on a clearance distance where objects come within a defined proximity
A soft clash (clearance clash) occurs when objects come within a specified minimum distance of each other, even if they do not physically intersect.
Question 3: In Clash Detective, what does the 'Duplicate' clash status indicate?
- The clash was found in a previous test run
- The clash has been resolved in the model
- The clash is identical or very close to another clash already in the current results list (Correct answer)
- The clash involves duplicate model elements
Correct answer: The clash is identical or very close to another clash already in the current results list
A 'Duplicate' status means the clash is considered identical or nearly identical to another clash already reported in the current test results, reducing redundancy.
Question 4: What is the primary purpose of TimeLiner in Navisworks?
- Creating photorealistic renders
- Linking the 3D model to a construction schedule to create 4D simulations (Correct answer)
- Generating clash detection reports
- Producing quantity takeoffs
Correct answer: Linking the 3D model to a construction schedule to create 4D simulations
TimeLiner links model elements to project schedule tasks, enabling 4D construction simulation that shows how the building will be constructed over time.
Question 5: Which file formats can be imported as schedules into Navisworks TimeLiner?
- Only .mpp (Microsoft Project)
- Only CSV files
- Microsoft Project (.mpp), Primavera P6 (.xer), CSV, and other formats via data sources (Correct answer)
- Only Autodesk BIM 360 schedules
Correct answer: Microsoft Project (.mpp), Primavera P6 (.xer), CSV, and other formats via data sources
TimeLiner supports multiple schedule formats including Microsoft Project (.mpp), Primavera P6 (.xer), and CSV, and can connect to live project management data sources.
Question 6: When running a clash test in Clash Detective, what does 'Approving' a clash accomplish?
- The clash is automatically fixed in the source model
- The clash is acknowledged as an acceptable or known condition that will not be revisited (Correct answer)
- The clash is assigned to a team member for resolution
- The clash is immediately exported to a report
Correct answer: The clash is acknowledged as an acceptable or known condition that will not be revisited
Approving a clash marks it as an acknowledged, acceptable condition the team has reviewed and accepted, preventing it from being flagged again in future clash runs.
Question 7: What is a Selection Set in Navisworks?
- A clash test configuration
- A saved, named group of selected model objects that can be recalled and reused (Correct answer)
- A render material preset
- A TimeLiner task grouping
Correct answer: A saved, named group of selected model objects that can be recalled and reused
A Selection Set is a named, saved collection of model objects that can be reused for clash testing, TimeLiner task linking, or visual override operations.
Which tool in Navisworks is used to automatically detect conflicts and interferences between model elements?