Concrete Batch Plant Operator Exam (Fdot) Actual Questions And Answers 2027 Update 100% Correct

CONCRETE BATCH PLANT OPERATOR EXAM (FDOT) ACTUAL
QUESTIONS AND ANSWERS 2027 UPDATE 100% CORRECT

Question 1.
Stockpiles of aggregate shall be maintained in a well-drained condition in order to:

Correct Answer: Minimize Free Water Content


Question 2.
Coarse aggregate stockpiles must be sprinkled for at lest how many hours prior to batch
for FDOT?

Correct Answer: 24


Question 3.
Free moisture of the aggregate means:

Correct Answer: Moister on the surface of an aggregate that is above and
beyond the absorbed moister in the aggregate.


Question 4.
If the moister test is done other than by the cook-out method, how often shall the other
methods be verified?

Correct Answer: Each week


Question 5.
For drill shaft concrete, the quantity of cement replaced with fly ash shall be:

Correct Answer: 33 thru 37%


Question 6.
In concrete, which material has a specific gravity of one?

Correct Answer: Water


Question 7.
What is the air content range for all classes of structural concrete except Class IV Shaft?

Correct Answer: 1.00 thru 6.00%


Question 8.
When can unmetered water be added to the concrete?

Correct Answer: Not at all.

, Question 9.
Do not allow the total number of revolution at mixing speed to exceed:

Correct Answer: 160 Revolutions


Question 10.
After all materials have been charged into the transit mixer drum, the concrete must be
mixed at how many revolutions at the plant before leaving for the project?

Correct Answer: 70 to 100


Question 11.
When the water meters / scales are calibrated, prior to production, at what frequency
should they be checked there after?

Correct Answer: 3 moths


Question 12.
To what accuracy should the scales for weighing cement , pozzolan, slag and aggregates
at the plant be maintained

Correct Answer: 0.5% of maximum load normally handled


Question 13.
For concrete containing a water-reducing retarding admixture, in an agitator truck, the
maximum time for depositing the concrete shall not exceed:

Correct Answer: 90 minutes


Question 14.
If a load of concrete has been rejected due to excessive slump, the concrete may remain
in the transporting vehicle to reduce the slump.

Correct Answer: Is not allowed.


Question 15.
Who places the orders for concrete with the producer?

Correct Answer: The contractor


Question 16.
The minimum normal sampling frequency for the chloride content of structural concrete is:

Correct Answer: 1 per design mix in use from the first day of production and
every 30 calendar days or less thereafter.