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Interview Questions and Answers
1. What is Tekla Structures?
Tekla Structures (formerly Tekla Xsteel) is a Building Information Modeling (BIM) software developed by Trimble for structural steel detailing, precast concrete detailing, rebar detailing, and construction management. It enables creation of accurate, constructible 3D models for steel, concrete, timber, and miscellaneous structures.
2. What are the different Tekla configurations available?
Full, Steel Detailing, Precast Concrete Detailing, Reinforced Concrete Detailing, Engineering, Project Viewer, and custom configurations using Role-based environments (Diamond, Graphite, etc. as of older versions).
3. What is the difference between Single-user and Multi-user mode in Tekla?
Single-user: One person works on the model locally. Multi-user: Multiple users work simultaneously on the same model stored on a server; changes are synchronized using numbering and save/write-out operations.
4. Explain the Grid and how to create/modify grids in Tekla.
Grids define the coordinate system for the model. Create via View ? Create Grid or using the Grid tool. Modify by double-clicking grid lines or using Grid Line Properties dialog. Magnetic grid lines help snapping.
5. What are System Components and Custom Components?
System Components: Pre-defined parametric connections provided by Tekla (e.g., base plates, clip angles, shear tabs). Custom Components: User-created reusable connections/macros/assemblies using Component Editor.
6. What is the purpose of Phase Manager in Tekla?
Phase Manager divides the model into phases (e.g., foundation, columns, beams). Objects can be assigned to different phases for filtering, visibility, and separate numbering/reporting.
7. What is Numbering and how does it work in Tekla?
Numbering assigns unique assembly/part marks (e.g., A1, B100). Modified parts get "modified" status; run Numbering ? Full numbering to update marks. Use Numbering Setup for control numbers, tolerances, etc.
8. What is the difference between Assembly and Cast Unit in Tekla?
Assembly: Used for steel (main part + secondary parts welded/bolted). Cast Unit: Used for concrete (main part + reinforcement and embedded items poured together).
9. How do you create drawings in Tekla (GA, Assembly, Single-part)?
Open model ? Drawing ? Create Assembly/Single-part/GA Drawing ? Select objects ? Right-click ? Create Drawings. Drawings are automatically linked and update when model changes.
10. What is Clash Check and how to use it?
Clash Check Manager detects intersections/collisions between objects (e.g., beams vs pipes). Run Clash Check from Tools ? Clash Check Manager ? Select reference and clashing objects ? Find clashes.
11. What are User-Defined Attributes (UDAs) in Tekla?
UDAs are custom fields added to objects (parts, assemblies, bolts, etc.) via objects.inp file. Used for additional information like finish, erection sequence, IFC export properties, etc.
12. Explain Reference Models and their uses.
Reference Models import external files (DWG, DXF, IFC, SKP, etc.) for coordination (architectural, MEP). They are read-only, can be used for snapping, clash checking, and visibility control.
13. What is the Organizer in Tekla and its advantages?
Organizer categorizes model objects by properties (location, material, phase, UDAs) for fast quantity take-off, reporting, and model management. Replaces old Model Organizer.
14. How do you export IFC from Tekla?
File ? Export ? IFC or IFC4 ? Choose model or drawing ? Set property sets, base quantities, and UDAs to export ? Export. Common for coordination with Revit/Navisworks.
15. What is the difference between Copy and Move (Normal vs Linear vs Mirror)?
Copy creates duplicates; Move relocates objects. Linear copies/moves in a direction, Mirror creates mirrored copies. Use with "With reference" for precise placement.
16. What are Macros and how to run them?
Macros are recorded or scripted (C#/.NET) operations to automate repetitive tasks. Run via Applications & Components ? Macros or by assigning to toolbar.
17. How to create custom reports and templates?
Use Template Editor (separate application) to design layouts. Reports use .rpt files with Value Fields, Rules, and Pictures. Place templates in models attributes folder.
18. What is the Model Sharing feature in Tekla?
Tekla Model Sharing allows multiple users worldwide to work on the same model using cloud-based sharing (via Trimble Connect). Replaces traditional multi-user server.
19. What are Profile and Material Catalogs?
Profile Catalog contains section sizes (IPE, HEA, W, UC, etc.); Material Catalog contains grades (S355, A992, C30/37). Both can be imported/modified via Catalog dialog.
20. How do you handle model revisions and change management?
Use Change Management tools: Create snapshots, compare models, cloud-based change detection in Tekla Model Sharing, or use drawing revision marks and revision tables.