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LADOTD PCC PLANT INSPECTION EXAM QUESTIONS
AND ANSWERS PRACTICE QUESTIONS WITH
SOLUTIONS AND NEWEST 2026-2027 | ALREADY
GRADED A+
What does concrete primarily consist of? - ANSWER-cement, aggregates, and
water
PCC produced and delivered for use in the building of roads and structures
must conform to... - ANSWER-Sections 601, 805, & 901 of the standard specs
Concrete produced for precast units shall conform to what sections of the
standard specs? - ANSWER-901, 1006, and 1016
Concrete produced and delivered for use in the construction of curbs, gutters,
medians, and catchbasins - ANSWER-minor structural concrete
The constant monitoring by the contractor of equipment, materials, processes,
and making the necessary adjustments to ensure that concrete mixtures
produced and placed are uniform, are within control limits, and meet spec
requirements - ANSWER-quality control
DOTD specs can be overridden by... - ANSWER-supplemental specs, plans,
and plan changes/special agreements
How many categories of concrete are there? - ANSWER-2
Concrete mixtures shall be produced in accordance with requirements as
identified on... - ANSWER-the project contract, the project plans, and Table 1,
Master Proportion Table
Before any concrete is placed on a project, what should the contractor submit to
the department for acceptance? - ANSWER-a proposed mix design
Who is responsible for designing the concrete mixture, taking samples, and
performing tests necessary for control of the concrete mixture within spec
requirements? - ANSWER-the contractor's certified concrete technician
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The DOTD Inspector is required to visit the contractor's plant... - ANSWER-daily
when the plant is operating and producing concrete for a DOTD project
Acceptance and sampling testing are performed by or under the direction of
whom? - ANSWER-the DOTD certifies inspector
Who should the contractor's proposed mix design must be submitted to for
acceptance? - ANSWER-district laboratory engineer
The department's publication which lists products for which source approval has
been granted - ANSWER-Qualified Products List
The minimum sampling frequency by section and material is delineated in the...
- ANSWER-Materials Sampling Manual
A schedule which outlines the minimum sampling and testing frequencies for all
materials to be used on a project - ANSWER-sampling plan
The type of concrete plant referred to as ready mix - ANSWER-batch plant
The type of plant that uses a truck mixers to completely mix the concrete
components at the plant before transport to the jobsite - ANSWER-batch plant
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 - ANSWER-Central mix plant
What types of equipment are used at PCC batch plants? - ANSWER-storage
bins, silos, weigh hoppers, scales, water meters, admixture dispensers, truck
mixers, and non agitator trucks
The weighing of one concrete component with a different concrete component
in the same hopper by the same scale - ANSWER-cumulative weighing
Who certifies all plants and trucks used in the production and delivery of
concrete for DOTD projects? - ANSWER-district laboratory engineer
Who is responsible for making adjustments in proportioning of materials used to
produce the specified concrete? - ANSWER-the contractor's certified concrete
technician
Who is responsible for the operation & maintenance of a plant supplying
concrete for use on DOTD projects? - ANSWER-contractor
Whose responsibility is it to sample and perform tests on materials for the
purpose of source approval and acceptance? - ANSWER-the department
LADOTD PCC PLANT INSPECTION EXAM QUESTIONS
AND ANSWERS PRACTICE QUESTIONS WITH
SOLUTIONS AND NEWEST 2026-2027 | ALREADY
GRADED A+
What does concrete primarily consist of? - ANSWER-cement, aggregates, and
water
PCC produced and delivered for use in the building of roads and structures
must conform to... - ANSWER-Sections 601, 805, & 901 of the standard specs
Concrete produced for precast units shall conform to what sections of the
standard specs? - ANSWER-901, 1006, and 1016
Concrete produced and delivered for use in the construction of curbs, gutters,
medians, and catchbasins - ANSWER-minor structural concrete
The constant monitoring by the contractor of equipment, materials, processes,
and making the necessary adjustments to ensure that concrete mixtures
produced and placed are uniform, are within control limits, and meet spec
requirements - ANSWER-quality control
DOTD specs can be overridden by... - ANSWER-supplemental specs, plans,
and plan changes/special agreements
How many categories of concrete are there? - ANSWER-2
Concrete mixtures shall be produced in accordance with requirements as
identified on... - ANSWER-the project contract, the project plans, and Table 1,
Master Proportion Table
Before any concrete is placed on a project, what should the contractor submit to
the department for acceptance? - ANSWER-a proposed mix design
Who is responsible for designing the concrete mixture, taking samples, and
performing tests necessary for control of the concrete mixture within spec
requirements? - ANSWER-the contractor's certified concrete technician
, 2|Page
The DOTD Inspector is required to visit the contractor's plant... - ANSWER-daily
when the plant is operating and producing concrete for a DOTD project
Acceptance and sampling testing are performed by or under the direction of
whom? - ANSWER-the DOTD certifies inspector
Who should the contractor's proposed mix design must be submitted to for
acceptance? - ANSWER-district laboratory engineer
The department's publication which lists products for which source approval has
been granted - ANSWER-Qualified Products List
The minimum sampling frequency by section and material is delineated in the...
- ANSWER-Materials Sampling Manual
A schedule which outlines the minimum sampling and testing frequencies for all
materials to be used on a project - ANSWER-sampling plan
The type of concrete plant referred to as ready mix - ANSWER-batch plant
The type of plant that uses a truck mixers to completely mix the concrete
components at the plant before transport to the jobsite - ANSWER-batch plant
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 - ANSWER-Central mix plant
What types of equipment are used at PCC batch plants? - ANSWER-storage
bins, silos, weigh hoppers, scales, water meters, admixture dispensers, truck
mixers, and non agitator trucks
The weighing of one concrete component with a different concrete component
in the same hopper by the same scale - ANSWER-cumulative weighing
Who certifies all plants and trucks used in the production and delivery of
concrete for DOTD projects? - ANSWER-district laboratory engineer
Who is responsible for making adjustments in proportioning of materials used to
produce the specified concrete? - ANSWER-the contractor's certified concrete
technician
Who is responsible for the operation & maintenance of a plant supplying
concrete for use on DOTD projects? - ANSWER-contractor
Whose responsibility is it to sample and perform tests on materials for the
purpose of source approval and acceptance? - ANSWER-the department
