Materials FE Civil Exam Questions with
complete solutions
What are the five major elements of a concrete mix? CORRECT ANSWERS Cement,
Water, Coarse Aggregate, Fine Aggregate, Air, Extraneous Admixtures
The concrete slump represents what properties of a concrete mix? CORRECT
ANSWERS Flowability/Workability
When the water to cement ratio is reduced, which mechanical properties of concrete are
increased? CORRECT ANSWERS Strength and Durability
What is the most common quality test of concrete? CORRECT ANSWERS
Compressive Strength Test
What does the water permeability test of concrete determine? CORRECT ANSWERS
Durability
The ASTM D6084 test measures what asphalt property? CORRECT ANSWERS
Elastic Recovery
The ASTM D36 test measures what asphalt property? CORRECT ANSWERS
Softening Point of Asphalt
The ASTM D5329 and ASTM D6690 test measures what asphalt property? CORRECT
ANSWERS Sealant and Filler Tests
When the water to cement ratio is reduced, which mechanical properties of concrete are
decreased? CORRECT ANSWERS Workability
When the water to cement ratio is reduced, what is a solution to increase the workability
of the mix? CORRECT ANSWERS Add Water Reducer to the mix
What pozzolanic materials can be added to a concrete mix? CORRECT ANSWERS
Fly Ash, Silica Fumes, Slag
What are the benefits of adding pozzolanic materials to a mix? CORRECT ANSWERS
Its more ecological and Economical, slows down the curing mechanism and provides
enhanced properties to the concrete
complete solutions
What are the five major elements of a concrete mix? CORRECT ANSWERS Cement,
Water, Coarse Aggregate, Fine Aggregate, Air, Extraneous Admixtures
The concrete slump represents what properties of a concrete mix? CORRECT
ANSWERS Flowability/Workability
When the water to cement ratio is reduced, which mechanical properties of concrete are
increased? CORRECT ANSWERS Strength and Durability
What is the most common quality test of concrete? CORRECT ANSWERS
Compressive Strength Test
What does the water permeability test of concrete determine? CORRECT ANSWERS
Durability
The ASTM D6084 test measures what asphalt property? CORRECT ANSWERS
Elastic Recovery
The ASTM D36 test measures what asphalt property? CORRECT ANSWERS
Softening Point of Asphalt
The ASTM D5329 and ASTM D6690 test measures what asphalt property? CORRECT
ANSWERS Sealant and Filler Tests
When the water to cement ratio is reduced, which mechanical properties of concrete are
decreased? CORRECT ANSWERS Workability
When the water to cement ratio is reduced, what is a solution to increase the workability
of the mix? CORRECT ANSWERS Add Water Reducer to the mix
What pozzolanic materials can be added to a concrete mix? CORRECT ANSWERS
Fly Ash, Silica Fumes, Slag
What are the benefits of adding pozzolanic materials to a mix? CORRECT ANSWERS
Its more ecological and Economical, slows down the curing mechanism and provides
enhanced properties to the concrete
