ACE Complex Design, Modeling & Simulation Techniques 3

Question 1

In Autodesk Fusion 360, which command creates a solid by blending between two or more profiles on different planes?

Accepted Answer

Loft

Answer

The Loft command transitions smoothly between multiple cross-sectional profiles to form a solid or surface.

Question 2

When setting up a thermal simulation in Autodesk Simulation, which boundary condition represents heat loss from a surface to the surrounding air via natural convection?

Accepted Answer

Convection coefficient

Answer

A convection boundary condition applies a film coefficient and ambient temperature to model heat transfer between the surface and surrounding fluid.

Question 3

In Inventor's parametric modeling, what is the difference between a 'driven' and a 'driving' dimension?

Accepted Answer

Driving dimensions control geometry; driven dimensions are reference values computed from geometry

Answer

Driving dimensions constrain and control sketch geometry, while driven (reference) dimensions simply report the current value without controlling it.

Question 4

Which Autodesk Nastran element type is best suited for modeling thin-walled sheet metal structures?

Accepted Answer

Shell elements

Answer

Shell elements efficiently capture bending and membrane behavior in thin-walled structures without requiring multiple layers of solid elements through the thickness.

Question 5

In Autodesk AutoCAD, what does the 'XREF Bind' operation do?

Accepted Answer

Permanently incorporates all named objects from an xref into the host drawing

Answer

Bind merges the xref and all its dependent named objects (layers, blocks, etc.) permanently into the host drawing as local definitions.

(ACE) Autodesk Certified Expert Practice Test

(ACE) Autodesk Certified Expert Practice Test

ACE Complex Design, Modeling & Simulation Techniques 3