PCC Paving Inspection LADOTD Exam
Questions and Correct Answers
For edges not along longitudinal joints, the surface within the 6 inches adjacent
to the edge shall not vary more than
1/4"
Conventional forms will not be required at slab edges along longitudinal joints,
provided the surface within the 6 inch width adjacent to the edge does not vary
more than
1/8"
Texturing of the concrete is to be done using a _______ and a ________
texturing device
carpet drag; metal tine
The carpet drag must be reasonably free from indentions over
1/16" deep
In slip form paving, the drag is usually attached to the
longitudinal float machine
Two approved methods of floating are
,mechanical and hand held
The longitudinal tube float is set at a __ angle to the centerline of the slab.
45 degree
Following the mechanical, longitudinal tube float, the _____________ float may
be used to smooth and fill open textured pavement areas.
hand held
The vibratory, longitudinal bull float is only used
over joints
T/F Excess water and loose material should be removed from the surface with a
10 foot, metal, static straightedge.
True
T/F The handle of a straightedge must be approximately 5 foot longer than 1/2
the width of the pavement slab.
False
T/F When working the straightedge, the blade is first worked at a 45 degree
angle to the centerline and then with the blade parallel to the centerline.
True
, T/F The straightedge operations should advance along the concrete slab in
successive stages of 5 feet.
True
T/F When performing straightedge operations, water may be thrown on the
surface to make the work easier.
False
If the application of water to the concrete surface is permitted during finishing
operations, it shall be applied as
fog spray
Screeds yield the _____ grade of the concrete slab
initial
_________ finishing will be required on all highway pavements or _____,
regardless of width.
Machine; ramps
Under what conditions will hand finishing be permitted?
1. If mechanical equipment breaks down. 2. Pavement not a principal highway and
width does not exceed 16 ft. 3. Area has regular dimensions.
T/F A strike off bar is used to level the concrete.
True
Questions and Correct Answers
For edges not along longitudinal joints, the surface within the 6 inches adjacent
to the edge shall not vary more than
1/4"
Conventional forms will not be required at slab edges along longitudinal joints,
provided the surface within the 6 inch width adjacent to the edge does not vary
more than
1/8"
Texturing of the concrete is to be done using a _______ and a ________
texturing device
carpet drag; metal tine
The carpet drag must be reasonably free from indentions over
1/16" deep
In slip form paving, the drag is usually attached to the
longitudinal float machine
Two approved methods of floating are
,mechanical and hand held
The longitudinal tube float is set at a __ angle to the centerline of the slab.
45 degree
Following the mechanical, longitudinal tube float, the _____________ float may
be used to smooth and fill open textured pavement areas.
hand held
The vibratory, longitudinal bull float is only used
over joints
T/F Excess water and loose material should be removed from the surface with a
10 foot, metal, static straightedge.
True
T/F The handle of a straightedge must be approximately 5 foot longer than 1/2
the width of the pavement slab.
False
T/F When working the straightedge, the blade is first worked at a 45 degree
angle to the centerline and then with the blade parallel to the centerline.
True
, T/F The straightedge operations should advance along the concrete slab in
successive stages of 5 feet.
True
T/F When performing straightedge operations, water may be thrown on the
surface to make the work easier.
False
If the application of water to the concrete surface is permitted during finishing
operations, it shall be applied as
fog spray
Screeds yield the _____ grade of the concrete slab
initial
_________ finishing will be required on all highway pavements or _____,
regardless of width.
Machine; ramps
Under what conditions will hand finishing be permitted?
1. If mechanical equipment breaks down. 2. Pavement not a principal highway and
width does not exceed 16 ft. 3. Area has regular dimensions.
T/F A strike off bar is used to level the concrete.
True
