FDOT Concrete Inspection

Question 1

According to FDOT specifications, what is the minimum compressive strength (f'c) required for Class I concrete?

Accepted Answer

3,000 psi

Answer

2,500 psi

Answer

3,500 psi

Answer

4,000 psi

Question 2

What FDOT specification section governs portland cement concrete for structures?

Accepted Answer

Section 346

Answer

Section 334

Answer

Section 400

Answer

Section 415

Question 3

When testing concrete slump on an FDOT project, how long after taking the sample must the test be completed?

Accepted Answer

5 minutes

Answer

2.5 minutes

Answer

10 minutes

Answer

15 minutes

Question 4

What is the maximum water-cementitious material (w/cm) ratio allowed for FDOT Class IV concrete?

Accepted Answer

0.44

Answer

0.40

Answer

0.50

Answer

0.55

Question 5

According to FDOT specifications, what minimum curing period is required for concrete structures using water curing?

Accepted Answer

7 days

Answer

3 days

Answer

5 days

Answer

14 days

Question 6

Which FDOT test method is used to determine the air content of freshly mixed concrete by the pressure method?

Accepted Answer

FM 1-T 152

Answer

FM 5-515

Answer

FM 1-T 196

Answer

FM 5-501