PCC Paving Inspection LADOTD Exam Questions With Correct Answers

PCC Paving Inspection LADOTD Exam Questions
With Correct Answers


For edges not along longitudinal joints, the surface within the 6 inches adjacent
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to the edge shall not vary more than - CORRECT ANSWER✔✔-1/4"
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Conventional forms will not be required at slab edges along longitudinal joints,
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provided the surface within the 6 inch width adjacent to the edge does not vary
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more than - CORRECT ANSWER✔✔-1/8"
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Texturing of the concrete is to be done using a _______ and a ________ texturing
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device - CORRECT ANSWER✔✔-carpet drag; metal tine
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The carpet drag must be reasonably free from indentions over - CORRECT
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ANSWER✔✔-1/16" deep |




In slip form paving, the drag is usually attached to the - CORRECT ANSWER✔✔-
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longitudinal float machine | |




Two approved methods of floating are - CORRECT ANSWER✔✔-mechanical and
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hand held |




The longitudinal tube float is set at a __ angle to the centerline of the slab. -
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CORRECT ANSWER✔✔-45 degree | |

,Following the mechanical, longitudinal tube float, the _____________ float may
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be used to smooth and fill open textured pavement areas. - CORRECT
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ANSWER✔✔-hand held |




The vibratory, longitudinal bull float is only used - CORRECT ANSWER✔✔-over
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joints


T/F Excess water and loose material should be removed from the surface with a
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10 foot, metal, static straightedge. - CORRECT ANSWER✔✔-True
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T/F The handle of a straightedge must be approximately 5 foot longer than 1/2
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the width of the pavement slab. - CORRECT ANSWER✔✔-False
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T/F When working the straightedge, the blade is first worked at a 45 degree angle
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to the centerline and then with the blade parallel to the centerline. - CORRECT
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ANSWER✔✔-True


T/F The straightedge operations should advance along the concrete slab in
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successive stages of 5 feet. - CORRECT ANSWER✔✔-True
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T/F When performing straightedge operations, water may be thrown on the
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surface to make the work easier. - CORRECT ANSWER✔✔-False
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If the application of water to the concrete surface is permitted during finishing
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operations, it shall be applied as - CORRECT ANSWER✔✔-fog spray
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, Screeds yield the _____ grade of the concrete slab - CORRECT ANSWER✔✔-initial
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_________ finishing will be required on all highway pavements or _____,
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regardless of width. - CORRECT ANSWER✔✔-Machine; ramps
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Under what conditions will hand finishing be permitted? - CORRECT ANSWER✔✔-
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1. If mechanical equipment breaks down. 2. Pavement not a principal highway
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and width does not exceed 16 ft. 3. Area has regular dimensions.
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T/F A strike off bar is used to level the concrete. - CORRECT ANSWER✔✔-True
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T/F Prior to concrete placement and the paver in place, th DOTD Inspector should
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use a string line to make sure the strike off is true to line. - CORRECT
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ANSWER✔✔-True


T/F A toothed rake is used for leveling concrete. - CORRECT ANSWER✔✔-False
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T/F Vibrators must be operated at least 20 seconds in each place. - CORRECT
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ANSWER✔✔-False


T/F Over vibration of the concrete mixture will cause the mortar to rise to the top
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surface of the pavement slab. - CORRECT ANSWER✔✔-True
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