LADOTD PCC PLANT INSPECTION EXAM
WITH CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+
batch plant - ANSWERS-The type of plant that uses a truck
mixers to completely mix the concrete components at the
plant before transport to the jobsite
Central mix plant - ANSWERS-The type of plant that uses a
stationary mixer at the plant site to mix the concrete
components and transports the mixture to the jobsite in
truck mixers or non agitator/haul trucks
storage bins, silos, weigh hoppers, scales, water meters,
admixture dispensers, truck mixers, and non agitator trucks
- ANSWERS-What types of equipment are used at PCC batch
plants?
,cumulative weighing - ANSWERS-The weighing of one
concrete component with a different concrete component in
the same hopper by the same scale
district laboratory engineer - ANSWERS-Who certifies all
plants and trucks used in the production and delivery of
concrete for DOTD projects?
the contractor's certified concrete technician - ANSWERS-
Who is responsible for making adjustments in proportioning
of materials used to produce the specified concrete?
contractor - ANSWERS-Who is responsible for the operation
& maintenance of a plant supplying concrete for use on
DOTD projects?
the department - ANSWERS-Whose responsibility is it to
sample and perform tests on materials for the purpose of
source approval and acceptance?
gradation - ANSWERS-The relative size of particles of a
specific aggregate sample expressed passing designated
sieves based on the total dry weight of the sample
,sand - ANSWERS-In Louisiana, fone aggregate for Portland
cement concrete is defined as...
0.6% or less alkiles - ANSWERS-Aggregates found to be
potentially reactive with cement alkalies will be restricted
for use with cement or a combination of cement and fly ash
containing what?
Qualified Products List #2 - ANSWERS-Aggregates from
sources approved for use on department projects which are
excessively reactive are indicated on...
qualified products list - ANSWERS-The specific gravity of
approved Louisiana aggregate may obtained from the...
Portland cement & pozzolans - ANSWERS-Portland-pozzolan
cement is formed from mixture of...
Type 1B - ANSWERS-The cement type most commonly used
for DOTD construction
hydration - ANSWERS-The hardening of the concrete caused
by the chemical reaction between the cement and water
, 94 pounds - ANSWERS-How much does a bag of cement
weigh?
water cement ratio - ANSWERS-The number of gallons of
water per bag of cement, or pounds of water per pound of
cement
aggregates - ANSWERS-The component which makes up the
greater part of concrete
with the water - ANSWERS-When is an air entrained
admixture is introduced into the batch of concrete?
water reducers - ANSWERS-What enables concrete to get
stronger without losing workability, and reduces the
amount of water required without changing the consistency
of the concrete?
set retarder - ANSWERS-A water reducing admixture that
delays the setting time of concrete
WITH CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+
batch plant - ANSWERS-The type of plant that uses a truck
mixers to completely mix the concrete components at the
plant before transport to the jobsite
Central mix plant - ANSWERS-The type of plant that uses a
stationary mixer at the plant site to mix the concrete
components and transports the mixture to the jobsite in
truck mixers or non agitator/haul trucks
storage bins, silos, weigh hoppers, scales, water meters,
admixture dispensers, truck mixers, and non agitator trucks
- ANSWERS-What types of equipment are used at PCC batch
plants?
,cumulative weighing - ANSWERS-The weighing of one
concrete component with a different concrete component in
the same hopper by the same scale
district laboratory engineer - ANSWERS-Who certifies all
plants and trucks used in the production and delivery of
concrete for DOTD projects?
the contractor's certified concrete technician - ANSWERS-
Who is responsible for making adjustments in proportioning
of materials used to produce the specified concrete?
contractor - ANSWERS-Who is responsible for the operation
& maintenance of a plant supplying concrete for use on
DOTD projects?
the department - ANSWERS-Whose responsibility is it to
sample and perform tests on materials for the purpose of
source approval and acceptance?
gradation - ANSWERS-The relative size of particles of a
specific aggregate sample expressed passing designated
sieves based on the total dry weight of the sample
,sand - ANSWERS-In Louisiana, fone aggregate for Portland
cement concrete is defined as...
0.6% or less alkiles - ANSWERS-Aggregates found to be
potentially reactive with cement alkalies will be restricted
for use with cement or a combination of cement and fly ash
containing what?
Qualified Products List #2 - ANSWERS-Aggregates from
sources approved for use on department projects which are
excessively reactive are indicated on...
qualified products list - ANSWERS-The specific gravity of
approved Louisiana aggregate may obtained from the...
Portland cement & pozzolans - ANSWERS-Portland-pozzolan
cement is formed from mixture of...
Type 1B - ANSWERS-The cement type most commonly used
for DOTD construction
hydration - ANSWERS-The hardening of the concrete caused
by the chemical reaction between the cement and water
, 94 pounds - ANSWERS-How much does a bag of cement
weigh?
water cement ratio - ANSWERS-The number of gallons of
water per bag of cement, or pounds of water per pound of
cement
aggregates - ANSWERS-The component which makes up the
greater part of concrete
with the water - ANSWERS-When is an air entrained
admixture is introduced into the batch of concrete?
water reducers - ANSWERS-What enables concrete to get
stronger without losing workability, and reduces the
amount of water required without changing the consistency
of the concrete?
set retarder - ANSWERS-A water reducing admixture that
delays the setting time of concrete
