ARE Structural Systems and Technology

Question 1

Which structural system uses triangulated members where forces act only in tension or compression?

Accepted Answer

Truss

Answer

A truss is composed of triangulated members where internal forces are limited to axial tension or compression.

Question 2

What is the primary purpose of a grade beam in a foundation system?

Accepted Answer

To connect spread footings and distribute loads along the perimeter

Answer

A grade beam connects individual footings and spans between them to distribute structural loads along the foundation perimeter.

Question 3

In a post-tensioned concrete slab, the tendons are stressed:

Accepted Answer

After the concrete has hardened

Answer

In post-tensioning, high-strength steel tendons are tensioned after the concrete has cured to a specified strength.

Question 4

Which load type acts horizontally on a structure due to soil pressure?

Accepted Answer

Lateral earth pressure

Answer

Lateral earth pressure is a horizontal load exerted by retained soil against basement walls or retaining structures.

Question 5

What is the deflection limit for a floor beam supporting a plaster ceiling under live load according to common practice?

Accepted Answer

L/360

Answer

L/360 is the standard deflection limit for floor members supporting plaster or brittle finishes to prevent cracking.

ARE - Architect Registration Examination Practice Test