27 CAD & BIM questions from the Civil Design & Codes bank, written for Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd.
Free to start: the 2-minute CE readiness check — six questions and a result.
A.geometry is drawn at full size in model space and layouts with scaled viewports produce the printed sheet, so one model serves 1:100 plans and 1:20 details
B.every element is drawn on a named layer by discipline and type with colour and linetype set ByLayer, and layer 0 is reserved for block definitions
C.model-based fabrication output including GA drawings, single-part and assembly drawings, bolt lists and DSTV/NC files for CNC cutting
D.Industry Foundation Classes, the buildingSMART open schema standardised as ISO 16739 for exchanging models between Revit, Tekla, ArchiCAD and analysis tools
Answer + AI explanation with Pro
2. Which term means: "every element is drawn on a named layer by discipline and type with colour and linetype set ByLayer, and layer 0 is reserved for block definitions"?
Junior
A.Layer discipline
B.Level of Development
C.Model space vs paper space
D.Steel detailing in Tekla
Answer + AI explanation with Pro
3. Which statement is correct?
Junior
A.Layer discipline — every element is drawn on a named layer by discipline and type with colour and linetype set ByLayer, and layer 0 is reserved for block definitions
B.Layer discipline — code of practice for architectural and building drawings fixing sheet sizes A0 to A4, title block content, standard scales and line conventions
C.Layer discipline — model-based fabrication output including GA drawings, single-part and assembly drawings, bolt lists and DSTV/NC files for CNC cutting
D.Layer discipline — linking model elements to the schedule for a time simulation of construction sequence, and further to quantities and rates for live cost estimation
Answer + AI explanation with Pro
4. What is Model space vs paper space?
Junior
A.geometry is drawn at full size in model space and layouts with scaled viewports produce the printed sheet, so one model serves 1:100 plans and 1:20 details
B.code of practice for architectural and building drawings fixing sheet sizes A0 to A4, title block content, standard scales and line conventions
C.system families such as walls and floors are built into the project, loadable families such as beams and columns are .rfa files with type and instance parameters
D.model-based fabrication output including GA drawings, single-part and assembly drawings, bolt lists and DSTV/NC files for CNC cutting
Answer + AI explanation with Pro
5. Which term means: "geometry is drawn at full size in model space and layouts with scaled viewports produce the printed sheet, so one model serves 1:100 plans and 1:20 details"?
Junior
A.IS 962 drawing standard
B.Revit family types
C.Level of Development
D.Model space vs paper space
Answer + AI explanation with Pro
6. Which statement is correct?
Junior
A.Model space vs paper space — linking model elements to the schedule for a time simulation of construction sequence, and further to quantities and rates for live cost estimation
B.Model space vs paper space — every element is drawn on a named layer by discipline and type with colour and linetype set ByLayer, and layer 0 is reserved for block definitions
C.Model space vs paper space — geometry is drawn at full size in model space and layouts with scaled viewports produce the printed sheet, so one model serves 1:100 plans and 1:20 details
D.Model space vs paper space — model-based fabrication output including GA drawings, single-part and assembly drawings, bolt lists and DSTV/NC files for CNC cutting
Answer + AI explanation with Pro
7. What is IS 962 drawing standard?
Junior
A.federated model check that flags hard clashes where geometry intersects, clearance clashes within a tolerance and workflow clashes in the sequence
B.linking model elements to the schedule for a time simulation of construction sequence, and further to quantities and rates for live cost estimation
C.model-based fabrication output including GA drawings, single-part and assembly drawings, bolt lists and DSTV/NC files for CNC cutting
D.code of practice for architectural and building drawings fixing sheet sizes A0 to A4, title block content, standard scales and line conventions
Answer + AI explanation with Pro
8. Which term means: "code of practice for architectural and building drawings fixing sheet sizes A0 to A4, title block content, standard scales and line conventions"?
Junior
A.IS 962 drawing standard
B.IFC
C.4D and 5D BIM
D.Steel detailing in Tekla
Answer + AI explanation with Pro
9. Which statement is correct?
Junior
A.IS 962 drawing standard — geometry is drawn at full size in model space and layouts with scaled viewports produce the printed sheet, so one model serves 1:100 plans and 1:20 details
B.IS 962 drawing standard — federated model check that flags hard clashes where geometry intersects, clearance clashes within a tolerance and workflow clashes in the sequence
C.IS 962 drawing standard — code of practice for architectural and building drawings fixing sheet sizes A0 to A4, title block content, standard scales and line conventions
D.IS 962 drawing standard — Industry Foundation Classes, the buildingSMART open schema standardised as ISO 16739 for exchanging models between Revit, Tekla, ArchiCAD and analysis tools
Answer + AI explanation with Pro
10. What is Level of Development?
Mid
A.geometry is drawn at full size in model space and layouts with scaled viewports produce the printed sheet, so one model serves 1:100 plans and 1:20 details
B.federated model check that flags hard clashes where geometry intersects, clearance clashes within a tolerance and workflow clashes in the sequence
C.model-based fabrication output including GA drawings, single-part and assembly drawings, bolt lists and DSTV/NC files for CNC cutting
11. Which term means: "LOD 100 is conceptual massing, 200 approximate geometry, 300 precise geometry, 350 adds interfaces, 400 fabrication detail and 500 field-verified as-built"?
Mid
A.Level of Development
B.IS 962 drawing standard
C.Steel detailing in Tekla
D.Model space vs paper space
Answer + AI explanation with Pro
12. Which statement is correct?
Mid
A.Level of Development — system families such as walls and floors are built into the project, loadable families such as beams and columns are .rfa files with type and instance parameters
B.Level of Development — Industry Foundation Classes, the buildingSMART open schema standardised as ISO 16739 for exchanging models between Revit, Tekla, ArchiCAD and analysis tools
C.Level of Development — LOD 100 is conceptual massing, 200 approximate geometry, 300 precise geometry, 350 adds interfaces, 400 fabrication detail and 500 field-verified as-built
D.Level of Development — linking model elements to the schedule for a time simulation of construction sequence, and further to quantities and rates for live cost estimation
Answer + AI explanation with Pro
13. What is Clash detection?
Mid
A.every element is drawn on a named layer by discipline and type with colour and linetype set ByLayer, and layer 0 is reserved for block definitions
C.Industry Foundation Classes, the buildingSMART open schema standardised as ISO 16739 for exchanging models between Revit, Tekla, ArchiCAD and analysis tools
D.federated model check that flags hard clashes where geometry intersects, clearance clashes within a tolerance and workflow clashes in the sequence
Answer + AI explanation with Pro
14. Which term means: "federated model check that flags hard clashes where geometry intersects, clearance clashes within a tolerance and workflow clashes in the sequence"?
Mid
A.Level of Development
B.Steel detailing in Tekla
C.IFC
D.Clash detection
Answer + AI explanation with Pro
15. Which statement is correct?
Mid
A.Clash detection — Industry Foundation Classes, the buildingSMART open schema standardised as ISO 16739 for exchanging models between Revit, Tekla, ArchiCAD and analysis tools
B.Clash detection — linking model elements to the schedule for a time simulation of construction sequence, and further to quantities and rates for live cost estimation
C.Clash detection — code of practice for architectural and building drawings fixing sheet sizes A0 to A4, title block content, standard scales and line conventions
D.Clash detection — federated model check that flags hard clashes where geometry intersects, clearance clashes within a tolerance and workflow clashes in the sequence
B.linking model elements to the schedule for a time simulation of construction sequence, and further to quantities and rates for live cost estimation
C.Industry Foundation Classes, the buildingSMART open schema standardised as ISO 16739 for exchanging models between Revit, Tekla, ArchiCAD and analysis tools
D.code of practice for architectural and building drawings fixing sheet sizes A0 to A4, title block content, standard scales and line conventions
Answer + AI explanation with Pro
17. Which term means: "Industry Foundation Classes, the buildingSMART open schema standardised as ISO 16739 for exchanging models between Revit, Tekla, ArchiCAD and analysis tools"?
Mid
A.Clash detection
B.Steel detailing in Tekla
C.IS 962 drawing standard
D.IFC
Answer + AI explanation with Pro
18. Which statement is correct?
Mid
A.IFC — code of practice for architectural and building drawings fixing sheet sizes A0 to A4, title block content, standard scales and line conventions
B.IFC — system families such as walls and floors are built into the project, loadable families such as beams and columns are .rfa files with type and instance parameters
C.IFC — Industry Foundation Classes, the buildingSMART open schema standardised as ISO 16739 for exchanging models between Revit, Tekla, ArchiCAD and analysis tools
A.federated model check that flags hard clashes where geometry intersects, clearance clashes within a tolerance and workflow clashes in the sequence
B.Industry Foundation Classes, the buildingSMART open schema standardised as ISO 16739 for exchanging models between Revit, Tekla, ArchiCAD and analysis tools
C.system families such as walls and floors are built into the project, loadable families such as beams and columns are .rfa files with type and instance parameters
D.linking model elements to the schedule for a time simulation of construction sequence, and further to quantities and rates for live cost estimation
Answer + AI explanation with Pro
20. Which term means: "system families such as walls and floors are built into the project, loadable families such as beams and columns are .rfa files with type and instance parameters"?
Mid
A.Revit family types
B.4D and 5D BIM
C.Clash detection
D.Level of Development
Answer + AI explanation with Pro
21. Which statement is correct?
Mid
A.Revit family types — code of practice for architectural and building drawings fixing sheet sizes A0 to A4, title block content, standard scales and line conventions
B.Revit family types — system families such as walls and floors are built into the project, loadable families such as beams and columns are .rfa files with type and instance parameters
C.Revit family types — federated model check that flags hard clashes where geometry intersects, clearance clashes within a tolerance and workflow clashes in the sequence
D.Revit family types — model-based fabrication output including GA drawings, single-part and assembly drawings, bolt lists and DSTV/NC files for CNC cutting
Answer + AI explanation with Pro
22. What is Steel detailing in Tekla?
Mid
A.Industry Foundation Classes, the buildingSMART open schema standardised as ISO 16739 for exchanging models between Revit, Tekla, ArchiCAD and analysis tools
C.geometry is drawn at full size in model space and layouts with scaled viewports produce the printed sheet, so one model serves 1:100 plans and 1:20 details
D.model-based fabrication output including GA drawings, single-part and assembly drawings, bolt lists and DSTV/NC files for CNC cutting
Answer + AI explanation with Pro
23. Which term means: "model-based fabrication output including GA drawings, single-part and assembly drawings, bolt lists and DSTV/NC files for CNC cutting"?
Mid
A.Clash detection
B.Model space vs paper space
C.Level of Development
D.Steel detailing in Tekla
Answer + AI explanation with Pro
24. Which statement is correct?
Mid
A.Steel detailing in Tekla — code of practice for architectural and building drawings fixing sheet sizes A0 to A4, title block content, standard scales and line conventions
B.Steel detailing in Tekla — model-based fabrication output including GA drawings, single-part and assembly drawings, bolt lists and DSTV/NC files for CNC cutting
C.Steel detailing in Tekla — federated model check that flags hard clashes where geometry intersects, clearance clashes within a tolerance and workflow clashes in the sequence
D.Steel detailing in Tekla — system families such as walls and floors are built into the project, loadable families such as beams and columns are .rfa files with type and instance parameters
Answer + AI explanation with Pro
25. What is 4D and 5D BIM?
Senior
A.model-based fabrication output including GA drawings, single-part and assembly drawings, bolt lists and DSTV/NC files for CNC cutting
B.federated model check that flags hard clashes where geometry intersects, clearance clashes within a tolerance and workflow clashes in the sequence
D.linking model elements to the schedule for a time simulation of construction sequence, and further to quantities and rates for live cost estimation
Answer + AI explanation with Pro
26. Which term means: "linking model elements to the schedule for a time simulation of construction sequence, and further to quantities and rates for live cost estimation"?
Senior
A.IS 962 drawing standard
B.4D and 5D BIM
C.Model space vs paper space
D.Steel detailing in Tekla
Answer + AI explanation with Pro
27. Which statement is correct?
Senior
A.4D and 5D BIM — linking model elements to the schedule for a time simulation of construction sequence, and further to quantities and rates for live cost estimation
B.4D and 5D BIM — federated model check that flags hard clashes where geometry intersects, clearance clashes within a tolerance and workflow clashes in the sequence
C.4D and 5D BIM — code of practice for architectural and building drawings fixing sheet sizes A0 to A4, title block content, standard scales and line conventions
D.4D and 5D BIM — every element is drawn on a named layer by discipline and type with colour and linetype set ByLayer, and layer 0 is reserved for block definitions
Answer + AI explanation with Pro
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