FREE CBI Site and Foundation Evaluation Questions and Answers

Question 1

Why is soil compaction important in foundation design?

Accepted Answer

It reduces foundation settlement

Answer

It enhances plant growth

Answer

It improves drainage

Answer

It prevents frost heave

Question 2

Which soil type has the highest potential for expansion and contraction?

Accepted Answer

Clay

Answer

Silt

Answer

Sand

Answer

Gravel

Question 3

What is the main purpose of a footing in a foundation system?

Accepted Answer

To distribute structural load

Answer

To anchor walls

Answer

To support roof trusses

Answer

To reduce seismic load

Question 4

Which test is commonly used to assess soil bearing capacity?

Accepted Answer

Standard Penetration Test (SPT)

Answer

Percolation test

Answer

Moisture test

Answer

Hydrometer analysis

Question 5

What condition might indicate poor drainage around a foundation?

Accepted Answer

Pooling water near foundation

Answer

Cracked siding

Answer

Roof leaks

Answer

Loose door hinges

Question 6

What foundation type is best suited for expansive clay soils?

Accepted Answer

Pier and beam

Answer

Slab-on-grade

Answer

Floating slab

Answer

Basement foundation