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5.0
CONCRETE BATCH PLANT OPERATOR EXAM (FDOT)
QUESTIONS WITH DETAILED VERIFIED ANSWERS (100%
CORRECT ANSWERS) /ALREADY GRADED A+
Quiz: Stockpiles of aggregate shall be maintained in a well-drained
condition in order to:
Ans: Minimize Free Water Content
Quiz: Coarse aggregate stockpiles must be sprinkled for at lest how
many hours prior to batch for FDOT?
Ans: 24
Quiz: Free moisture of the aggregate means:
Ans: Moister on the surface of an aggregate that is above and beyond the
absorbed moister in the aggregate.
Quiz: If the moister test is done other than by the cook-out method,
how often shall the other methods be verified?
Ans: Each week
Quiz: For drill shaft concrete, the quantity of cement replaced with fly
ash shall be:
Ans: 33 thru 37%
, Quiz: In concrete, which material has a specific gravity of one?
Ans: Water
Quiz: What is the air content range for all classes of structural concrete
except Class IV Shaft?
Ans: 1.00 thru 6.00%
Quiz: When can unmetered water be added to the concrete?
Ans: Not at all.
Quiz: Do not allow the total number of revolution at mixing speed to
exceed:
Ans: 160 Revolutions
Quiz: 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?
Ans: 70 to 100
Quiz: When the water meters / scales are calibrated, prior to
production, at what frequency should they be checked there after?
Ans: 3 moths
Examstudy - Stuvia US
In today's fast-paced educational landscape, students need reliable resources to excel in their studies.
5.0
CONCRETE BATCH PLANT OPERATOR EXAM (FDOT)
QUESTIONS WITH DETAILED VERIFIED ANSWERS (100%
CORRECT ANSWERS) /ALREADY GRADED A+
Quiz: Stockpiles of aggregate shall be maintained in a well-drained
condition in order to:
Ans: Minimize Free Water Content
Quiz: Coarse aggregate stockpiles must be sprinkled for at lest how
many hours prior to batch for FDOT?
Ans: 24
Quiz: Free moisture of the aggregate means:
Ans: Moister on the surface of an aggregate that is above and beyond the
absorbed moister in the aggregate.
Quiz: If the moister test is done other than by the cook-out method,
how often shall the other methods be verified?
Ans: Each week
Quiz: For drill shaft concrete, the quantity of cement replaced with fly
ash shall be:
Ans: 33 thru 37%
, Quiz: In concrete, which material has a specific gravity of one?
Ans: Water
Quiz: What is the air content range for all classes of structural concrete
except Class IV Shaft?
Ans: 1.00 thru 6.00%
Quiz: When can unmetered water be added to the concrete?
Ans: Not at all.
Quiz: Do not allow the total number of revolution at mixing speed to
exceed:
Ans: 160 Revolutions
Quiz: 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?
Ans: 70 to 100
Quiz: When the water meters / scales are calibrated, prior to
production, at what frequency should they be checked there after?
Ans: 3 moths
Examstudy - Stuvia US
