Revit Parametric Family Creation Questions and Answers

Question 1

When creating a parametric family in Revit, which element serves as the foundational framework for constraining geometry and driving its behavior?

Accepted Answer

Reference Planes

Answer

Model Lines

Answer

Dimensions

Answer

Extrusions

Question 2

You are creating a door family and want the door's width to be editable for each individual instance placed in a project. What type of parameter should you create for the 'Width' dimension?

Accepted Answer

Instance Parameter

Answer

Type Parameter

Answer

Shared Parameter

Answer

Global Parameter

Question 3

Which of the following is the primary advantage of using a Reference Line instead of a Reference Plane in the Revit Family Editor?

Accepted Answer

It can be used to control angular parameters.

Answer

It can host face-based families.

Answer

It is visible by default in all project views.

Answer

It has infinite length, making it better for overall family size.

Question 4

A user is creating a desk family that includes an optional, nested computer model. They want to be able to turn the visibility of the computer on and off within the project. How should this be accomplished?

Accepted Answer

By placing the computer on a design option that is turned off.

Answer

By assigning the computer geometry to a different workset.

Answer

By applying a formula to the computer's material parameter.

Answer

By associating the nested family's 'Visible' property to a Yes/No parameter in the host family.

Question 5

You need to create a formula for a 'Length' parameter that ensures it is always half the value of the 'Width' parameter. What is the correct syntax for this formula in the Family Types dialog?

Accepted Answer

Width / 2

Answer

Length = Width / 2

Answer

Length(Width * 0.5)

Answer

if(Length > Width, Width / 2)

Question 6

When building a parametric cabinet family, you use the Align tool to lock the edges of an extrusion to reference planes. What is the primary purpose of this action?

Accepted Answer

To ensure the extrusion's geometry is driven by the reference planes.

Answer

To apply a material to the extrusion.

Answer

To convert the extrusion into a generic model.

Answer

To make the extrusion visible only in fine detail levels.