MODULE 2 ASPHALT/CONCRETE EXAM QUESTIONS AND ANSWERS (GRADED A)
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MODULE 2 ASPHALT/CONCRETE
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MODULE 2 ASPHALT/CONCRETE
MODULE 2 ASPHALT/CONCRETE EXAM QUESTIONS AND ANSWERS (GRADED A)MODULE 2 ASPHALT/CONCRETE EXAM QUESTIONS AND ANSWERS (GRADED A)MODULE 2 ASPHALT/CONCRETE EXAM QUESTIONS AND ANSWERS (GRADED A)A composite material that is prepared in a hot-mix plant and used for construction of highway, parking lot, or...
MODULE 2 ASPHALT/CONCRETE EXAM
QUESTIONS AND ANSWERS (GRADED
A)
A composite material that is prepared in a hot-mix plant and used for construction of
highway, parking lot, or airfield pavements capable of supporting high traffic load
volumes and axle loads. - ANSWER-asphalt cement
A rock crusher in which a steel center cone rotates eccentrically to crush the material
against the outside cylindrical steel wall. - ANSWER-gyratory crushers
It is a bituminous material that is produced by distillation of petroleum crude oil. -
ANSWER-asphalt cement
Metal plates of various shapes placed longitudinally inside the shell of a drum dryer or
mixture. As the material moves through the drum, the flight first lift the aggregate and
then tumble it through the hot gases. - ANSWER-Flights
The top surface layer of an asphalt pavement, usually less than 1 in. thick, to improve
skid resistance and smoothness. - ANSWER-friction course
Two long arms extending forward from each side of the asphalt paver screed and
attached to tow points on the tractor. This mechanical connection enables the screed to
float on the asphalt mix during placement. - ANSWER-leveling arms
Tack Coat - ANSWER-A light application of liquid asphalt, usually emulsified with water,
placed between pavement courses during construction. It is used to help ensure a bond
between the surface and the new mat that is being placed.
prime coat - ANSWER-An application of liquid asphalt over an untreated base to coat
and bond the loose aggregate particles, waterproof the surface, and promote adhesion
between the base and the overlying course
Joints for the purpose of regulating cracking from the unavoidable and unpredictable
contraction of concrete. - ANSWER-contraction joints
binder - ANSWER-The asphalt cement material in a paving mix used to bind the
aggregate particles together, to prevent the entrance of moisture, and to act as a
cushioning agent.
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