CONCRETE BATCH PLANT OPERATOR
EXAM (FDOT) EXAM WITH CORRECT
ACTUAL QUESTIONS AND CORRECTLY
WELL DEFINED ANSWERS LATEST
ALREADY GRADED A+ 2025 – 2026
What is Type IV cement used for? - ANSWERS-low heat application cements-
concrete damn or huge concrete column - not used anymore, fly ash or slag is
used now.
Type V - ANSWERS-High soleplate resistance cement.
What is white cement? - ANSWERS-Reacts similar to Portland cement but
very low amounts of iron - it is not actually white, it is slightly yellow- used
for making concrete with consistent coloring.
What are microfibers used for? - ANSWERS-To avoid plastic shrinkage in
concrete - holds concrete together while its wet.
What are Macrofibers used for? - ANSWERS-To maintain strength of the
concrete when the it hardens.
, What is an air entraining admixture? - ANSWERS-Adds SOAP into the
concrete helps to split bubbles in concrete mixes. SOAPs are surfactants -
containing a hydrophilic head and hydrophobic tale which align themselves
around the bubbles in concrete- they attract cement grains- helps to hold the
bubble in place and form a shell material around the bubble to prevent air
from exchanging between the bubbles.
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.
EXAM (FDOT) EXAM WITH CORRECT
ACTUAL QUESTIONS AND CORRECTLY
WELL DEFINED ANSWERS LATEST
ALREADY GRADED A+ 2025 – 2026
What is Type IV cement used for? - ANSWERS-low heat application cements-
concrete damn or huge concrete column - not used anymore, fly ash or slag is
used now.
Type V - ANSWERS-High soleplate resistance cement.
What is white cement? - ANSWERS-Reacts similar to Portland cement but
very low amounts of iron - it is not actually white, it is slightly yellow- used
for making concrete with consistent coloring.
What are microfibers used for? - ANSWERS-To avoid plastic shrinkage in
concrete - holds concrete together while its wet.
What are Macrofibers used for? - ANSWERS-To maintain strength of the
concrete when the it hardens.
, What is an air entraining admixture? - ANSWERS-Adds SOAP into the
concrete helps to split bubbles in concrete mixes. SOAPs are surfactants -
containing a hydrophilic head and hydrophobic tale which align themselves
around the bubbles in concrete- they attract cement grains- helps to hold the
bubble in place and form a shell material around the bubble to prevent air
from exchanging between the bubbles.
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.
