CAD Modelling interview questions

1. A.feature-based approach where dimensions and relations drive geometry, so changing one value regenerates every dependent feature
2. B.surface workbench for wireframe, sweeps, lofts and fills used for automotive class-B surfaces and moulded parts
3. C.sketch in which every entity is fixed by dimensions and relations so nothing can move unintentionally, shown in black rather than blue
4. D.Indian drawing convention per BIS SP 46 in which the object sits between observer and plane, so the top view is drawn below the front view

Answer + AI explanation with Pro

1. A.Synchronous modelling
2. B.Parametric modelling
3. C.Skeleton model
4. D.Model-based definition

Answer + AI explanation with Pro

1. A.Parametric modelling — master part in a top-down assembly holding layout curves, planes and axes that child parts reference so the whole assembly updates together
2. B.Parametric modelling — sketch in which every entity is fixed by dimensions and relations so nothing can move unintentionally, shown in black rather than blue
3. C.Parametric modelling — surface workbench for wireframe, sweeps, lofts and fills used for automotive class-B surfaces and moulded parts
4. D.Parametric modelling — feature-based approach where dimensions and relations drive geometry, so changing one value regenerates every dependent feature

Answer + AI explanation with Pro

1. A.G0 shares position, G1 shares tangency and G2 shares curvature across a boundary, with class-A automotive skins requiring G2
2. B.master part in a top-down assembly holding layout curves, planes and axes that child parts reference so the whole assembly updates together
3. C.sketch in which every entity is fixed by dimensions and relations so nothing can move unintentionally, shown in black rather than blue
4. D.Indian drawing convention per BIS SP 46 in which the object sits between observer and plane, so the top view is drawn below the front view

Answer + AI explanation with Pro

1. A.Fully defined sketch
2. B.Skeleton model
3. C.Parametric modelling
4. D.Synchronous modelling

Answer + AI explanation with Pro

1. A.Fully defined sketch — master part in a top-down assembly holding layout curves, planes and axes that child parts reference so the whole assembly updates together
2. B.Fully defined sketch — Indian drawing convention per BIS SP 46 in which the object sits between observer and plane, so the top view is drawn below the front view
3. C.Fully defined sketch — sketch in which every entity is fixed by dimensions and relations so nothing can move unintentionally, shown in black rather than blue
4. D.Fully defined sketch — history-free direct editing that lets faces be pushed, pulled and re-dimensioned on imported or native geometry without a feature tree

Answer + AI explanation with Pro

1. A.feature-based approach where dimensions and relations drive geometry, so changing one value regenerates every dependent feature
2. B.G0 shares position, G1 shares tangency and G2 shares curvature across a boundary, with class-A automotive skins requiring G2
3. C.3D model carrying product manufacturing information (dimensions, GD&T, notes) as the authority in place of a 2D drawing, per ASME Y14.41
4. D.history-ordered list of features whose parent-child dependencies decide rebuild order and which can be rolled back to edit earlier steps

Answer + AI explanation with Pro

1. A.Synchronous modelling
2. B.Parametric modelling
3. C.Surface continuity
4. D.Feature tree

Answer + AI explanation with Pro

1. A.Feature tree — G0 shares position, G1 shares tangency and G2 shares curvature across a boundary, with class-A automotive skins requiring G2
2. B.Feature tree — history-ordered list of features whose parent-child dependencies decide rebuild order and which can be rolled back to edit earlier steps
3. C.Feature tree — sketch in which every entity is fixed by dimensions and relations so nothing can move unintentionally, shown in black rather than blue
4. D.Feature tree — feature-based approach where dimensions and relations drive geometry, so changing one value regenerates every dependent feature

Answer + AI explanation with Pro

1. A.Indian drawing convention per BIS SP 46 in which the object sits between observer and plane, so the top view is drawn below the front view
2. B.feature-based approach where dimensions and relations drive geometry, so changing one value regenerates every dependent feature
3. C.3D model carrying product manufacturing information (dimensions, GD&T, notes) as the authority in place of a 2D drawing, per ASME Y14.41
4. D.G0 shares position, G1 shares tangency and G2 shares curvature across a boundary, with class-A automotive skins requiring G2

Answer + AI explanation with Pro

1. A.Synchronous modelling
2. B.First-angle projection
3. C.Fully defined sketch
4. D.Surface continuity

Answer + AI explanation with Pro

1. A.First-angle projection — sketch in which every entity is fixed by dimensions and relations so nothing can move unintentionally, shown in black rather than blue
2. B.First-angle projection — Indian drawing convention per BIS SP 46 in which the object sits between observer and plane, so the top view is drawn below the front view
3. C.First-angle projection — master part in a top-down assembly holding layout curves, planes and axes that child parts reference so the whole assembly updates together
4. D.First-angle projection — history-ordered list of features whose parent-child dependencies decide rebuild order and which can be rolled back to edit earlier steps

Answer + AI explanation with Pro

1. A.feature-based approach where dimensions and relations drive geometry, so changing one value regenerates every dependent feature
2. B.history-ordered list of features whose parent-child dependencies decide rebuild order and which can be rolled back to edit earlier steps
3. C.G0 shares position, G1 shares tangency and G2 shares curvature across a boundary, with class-A automotive skins requiring G2
4. D.master part in a top-down assembly holding layout curves, planes and axes that child parts reference so the whole assembly updates together

Answer + AI explanation with Pro

1. A.Model-based definition
2. B.Skeleton model
3. C.Parametric modelling
4. D.First-angle projection

Answer + AI explanation with Pro

1. A.Skeleton model — 3D model carrying product manufacturing information (dimensions, GD&T, notes) as the authority in place of a 2D drawing, per ASME Y14.41
2. B.Skeleton model — surface workbench for wireframe, sweeps, lofts and fills used for automotive class-B surfaces and moulded parts
3. C.Skeleton model — master part in a top-down assembly holding layout curves, planes and axes that child parts reference so the whole assembly updates together
4. D.Skeleton model — G0 shares position, G1 shares tangency and G2 shares curvature across a boundary, with class-A automotive skins requiring G2

Answer + AI explanation with Pro

1. A.history-ordered list of features whose parent-child dependencies decide rebuild order and which can be rolled back to edit earlier steps
2. B.3D model carrying product manufacturing information (dimensions, GD&T, notes) as the authority in place of a 2D drawing, per ASME Y14.41
3. C.surface workbench for wireframe, sweeps, lofts and fills used for automotive class-B surfaces and moulded parts
4. D.history-free direct editing that lets faces be pushed, pulled and re-dimensioned on imported or native geometry without a feature tree

Answer + AI explanation with Pro

1. A.Synchronous modelling
2. B.Model-based definition
3. C.Fully defined sketch
4. D.First-angle projection

Answer + AI explanation with Pro

1. A.Synchronous modelling — history-ordered list of features whose parent-child dependencies decide rebuild order and which can be rolled back to edit earlier steps
2. B.Synchronous modelling — surface workbench for wireframe, sweeps, lofts and fills used for automotive class-B surfaces and moulded parts
3. C.Synchronous modelling — sketch in which every entity is fixed by dimensions and relations so nothing can move unintentionally, shown in black rather than blue
4. D.Synchronous modelling — history-free direct editing that lets faces be pushed, pulled and re-dimensioned on imported or native geometry without a feature tree

Answer + AI explanation with Pro

1. A.master part in a top-down assembly holding layout curves, planes and axes that child parts reference so the whole assembly updates together
2. B.feature-based approach where dimensions and relations drive geometry, so changing one value regenerates every dependent feature
3. C.G0 shares position, G1 shares tangency and G2 shares curvature across a boundary, with class-A automotive skins requiring G2
4. D.surface workbench for wireframe, sweeps, lofts and fills used for automotive class-B surfaces and moulded parts

Answer + AI explanation with Pro

1. A.First-angle projection
2. B.Feature tree
3. C.Generative Shape Design
4. D.Skeleton model

Answer + AI explanation with Pro

1. A.Generative Shape Design — surface workbench for wireframe, sweeps, lofts and fills used for automotive class-B surfaces and moulded parts
2. B.Generative Shape Design — history-ordered list of features whose parent-child dependencies decide rebuild order and which can be rolled back to edit earlier steps
3. C.Generative Shape Design — 3D model carrying product manufacturing information (dimensions, GD&T, notes) as the authority in place of a 2D drawing, per ASME Y14.41
4. D.Generative Shape Design — feature-based approach where dimensions and relations drive geometry, so changing one value regenerates every dependent feature

Answer + AI explanation with Pro

1. A.Indian drawing convention per BIS SP 46 in which the object sits between observer and plane, so the top view is drawn below the front view
2. B.sketch in which every entity is fixed by dimensions and relations so nothing can move unintentionally, shown in black rather than blue
3. C.feature-based approach where dimensions and relations drive geometry, so changing one value regenerates every dependent feature
4. D.G0 shares position, G1 shares tangency and G2 shares curvature across a boundary, with class-A automotive skins requiring G2

Answer + AI explanation with Pro

1. A.Skeleton model
2. B.Surface continuity
3. C.Parametric modelling
4. D.Fully defined sketch

Answer + AI explanation with Pro

1. A.Surface continuity — master part in a top-down assembly holding layout curves, planes and axes that child parts reference so the whole assembly updates together
2. B.Surface continuity — feature-based approach where dimensions and relations drive geometry, so changing one value regenerates every dependent feature
3. C.Surface continuity — G0 shares position, G1 shares tangency and G2 shares curvature across a boundary, with class-A automotive skins requiring G2
4. D.Surface continuity — history-free direct editing that lets faces be pushed, pulled and re-dimensioned on imported or native geometry without a feature tree

Answer + AI explanation with Pro

1. A.history-ordered list of features whose parent-child dependencies decide rebuild order and which can be rolled back to edit earlier steps
2. B.feature-based approach where dimensions and relations drive geometry, so changing one value regenerates every dependent feature
3. C.3D model carrying product manufacturing information (dimensions, GD&T, notes) as the authority in place of a 2D drawing, per ASME Y14.41
4. D.history-free direct editing that lets faces be pushed, pulled and re-dimensioned on imported or native geometry without a feature tree

Answer + AI explanation with Pro

1. A.Surface continuity
2. B.Parametric modelling
3. C.Model-based definition
4. D.Fully defined sketch

Answer + AI explanation with Pro

1. A.Model-based definition — G0 shares position, G1 shares tangency and G2 shares curvature across a boundary, with class-A automotive skins requiring G2
2. B.Model-based definition — history-free direct editing that lets faces be pushed, pulled and re-dimensioned on imported or native geometry without a feature tree
3. C.Model-based definition — 3D model carrying product manufacturing information (dimensions, GD&T, notes) as the authority in place of a 2D drawing, per ASME Y14.41
4. D.Model-based definition — master part in a top-down assembly holding layout curves, planes and axes that child parts reference so the whole assembly updates together

Answer + AI explanation with Pro