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CONCRETE BATCH PLANT OPERATOR EXAM (FDOT)
2025/2026 || QUESTIONS WITH CORRECT DETAILED
ANSWERS || 100% GUARANTEED PASS <LATEST
UPDATE>
Stockpiles of aggregate shall be maintained in a well-drained condition in order
to: - (answers)Minimize Free Water Content
Coarse aggregate stockpiles must be sprinkled for at lest how many hours prior to
batch for FDOT? - (answers)24
Free moisture of the aggregate means: - (answers)Moister on the surface of an
aggregate that is above and beyond the absorbed moister in the aggregate.
If the moister test is done other than by the cook-out method, how often shall the
other methods be verified? - (answers)Each week
For drill shaft concrete, the quantity of cement replaced with fly ash shall be: -
(answers)33 thru 37%
In concrete, which material has a specific gravity of one? - (answers)Water
What is the air content range for all classes of structural concrete except Class IV
Shaft? - (answers)1.00 thru 6.00%
, 2
When can unmetered water be added to the concrete? - (answers)Not at all.
Do not allow the total number of revolution at mixing speed to exceed: -
(answers)160 Revolutions
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? - (answers)70 to 100
When the water meters / scales are calibrated, prior to production, at what
frequency should they be checked there after? - (answers)3 moths
To what accuracy should the scales for weighing cement , pozzolan, slag and
aggregates at the plant be maintained - (answers)0.5% of maximum load normally
handled
For concrete containing a water-reducing retarding admixture, in an agitator
truck, the maximum time for depositing the concrete shall not exceed: -
(answers)90 minutes
If a load of concrete has been rejected due to excessive slump, the concrete may
remain in the transporting vehicle to reduce the slump. - (answers)Is not allowed.
Who places the orders for concrete with the producer? - (answers)The contractor
CONCRETE BATCH PLANT OPERATOR EXAM (FDOT)
2025/2026 || QUESTIONS WITH CORRECT DETAILED
ANSWERS || 100% GUARANTEED PASS <LATEST
UPDATE>
Stockpiles of aggregate shall be maintained in a well-drained condition in order
to: - (answers)Minimize Free Water Content
Coarse aggregate stockpiles must be sprinkled for at lest how many hours prior to
batch for FDOT? - (answers)24
Free moisture of the aggregate means: - (answers)Moister on the surface of an
aggregate that is above and beyond the absorbed moister in the aggregate.
If the moister test is done other than by the cook-out method, how often shall the
other methods be verified? - (answers)Each week
For drill shaft concrete, the quantity of cement replaced with fly ash shall be: -
(answers)33 thru 37%
In concrete, which material has a specific gravity of one? - (answers)Water
What is the air content range for all classes of structural concrete except Class IV
Shaft? - (answers)1.00 thru 6.00%
, 2
When can unmetered water be added to the concrete? - (answers)Not at all.
Do not allow the total number of revolution at mixing speed to exceed: -
(answers)160 Revolutions
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? - (answers)70 to 100
When the water meters / scales are calibrated, prior to production, at what
frequency should they be checked there after? - (answers)3 moths
To what accuracy should the scales for weighing cement , pozzolan, slag and
aggregates at the plant be maintained - (answers)0.5% of maximum load normally
handled
For concrete containing a water-reducing retarding admixture, in an agitator
truck, the maximum time for depositing the concrete shall not exceed: -
(answers)90 minutes
If a load of concrete has been rejected due to excessive slump, the concrete may
remain in the transporting vehicle to reduce the slump. - (answers)Is not allowed.
Who places the orders for concrete with the producer? - (answers)The contractor
