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

Rigid frame

Answer

Shear wall

Answer

Moment frame

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

To transfer roof loads to footings

Answer

To reinforce slab-on-grade construction

Answer

To anchor retaining walls

Question 3

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

Accepted Answer

After the concrete has hardened

Answer

Before concrete is poured

Answer

While concrete is being poured

Answer

During formwork removal

Question 4

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

Accepted Answer

Lateral earth pressure

Answer

Live load

Answer

Dead load

Answer

Snow load

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/180

Answer

L/240

Answer

L/480

Question 6

A cantilever beam experiences its maximum bending moment at:

Accepted Answer

The fixed support

Answer

The free end

Answer

Midspan

Answer

One-third of the span from the free end