Concrete and its Properties – Take a Quiz for Interview

Quiz on Concrete and its Properties

Concrete is a highly versatile construction material, well suited for many agricultural applications. It is a mixture of portland cement, water, aggregates, and in some cases, admixtures. Strength, durability, and many other factors depend on the relative amounts and properties of the individual components. A perfect mix can result in poor quality concrete if correct placement, finishing, and curing techniques under the proper conditions of moisture and temperature are not used. It is also important to prepare accurate concrete estimates to avoid shortage of material at site during pouring.

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1. Strength of concrete

Tensile capacity of plain concrete can be increased by

3. Which of the following processes can  cause durability issues in concrete
4. Which of the following is not an objective of using fly ash in concrete

Reaction between the CO2 of the atmosphere and the hydration products of the hardened cement paste is called

6. Which of the following is a Mineral admixture
7. Retarding admixtures are used to
8. Water-reducing agents, or plasticizers, are added to
9. Which of the following factors affects workability of concrete?
10. Workability of Fibre Reinforced Concrete is higher than normal concrete

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Cracked Stairs due to Freeze Thaw Cycles
Cracked Stairs due to Freeze Thaw Cycles


  • It is an artificial conglomerate stone made essentially of Portland cement, water, and aggregates.
  • It is a Composite material that consists essentially of a binding medium within which aggregates are embedded
  • Binder is formed from a mixture of hydraulic cement and water.

Concrete as a Structural Material

Most widely used construction material.Last year in the U.S. 63 million tons of Portland cement were converted into 500 million tons of concrete. Total world consumption of concrete last year is estimated at three billion tons. Estimated present consumption in the world is 55. billion tons every year


Separation of constituent materials of concrete Creates larger voids and reduces the durability and strength


Water from comes out of the surface Produces pores and reduces strength


Compressive strength, tensile strength, flexural strength


Concrete not an elastic material Stress in concrete a strains in initial stages Influenced by elastic properties of aggregate, mix proportion, age, type of cement.


Change in volume due to loss of moisture at different stages

Affects  strength and durability