Nagarjuna Construction Company Civil Engineer Interview Questions, Process, and Tips

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The M-5 to M-25 ratio is a measure used in civil engineering to determine the strength of concrete mixtures.

• The M-5 to M-25 ratio refers to the ratio of cement, sand, and aggregate in a concrete mixture.

• The ratio indicates the compressive strength of the concrete after 28 days of curing.

• For example, an M-20 concrete mix has a ratio of 1:1.5:3, which means 1 part cement, 1.5 parts sand, and 3 parts aggregate by volume.

• T...read more

PQC stands for Pavement Quality Concrete. It is a type of concrete used for road construction.

• PQC is a high-quality concrete mix used for the construction of rigid pavements.

• It is designed to withstand heavy traffic loads and resist wear and tear.

• PQC is made with a higher cement content and a lower water-cement ratio than regular concrete.

• It is also reinforced with steel bars or fibers to increase its strength and dura...read more