Nasser S. Al Hajri Corporation Senior Civil Engineer Interview Questions and Answers

The procedure of laying tile and granite involves preparing the surface, applying adhesive, laying the tiles/granite, grouting, and sealing.

• Prepare the surface by ensuring it is clean, level, and dry.

• Apply adhesive to the surface using a trowel, ensuring even coverage.

• Lay the tiles/granite starting from the center and working outwards in a pattern.

• Grout the tiles/granite by filling the gaps between them with grout and ...read more

IS code refers to Indian Standards code which provides technical specifications for various products and services.

• IS codes are developed by the Bureau of Indian Standards (BIS)

• They cover a wide range of products and services such as construction materials, electrical appliances, food products, and more

• IS codes provide technical specifications for quality, safety, and performance of products and services

• Compliance with ...read more

Hydration process is the chemical reaction between cement and water which results in the hardening of concrete.

• Hydration process starts as soon as water is added to cement.

• The reaction produces heat and causes the mixture to harden and gain strength.

• The process continues for weeks and even months, resulting in a stronger and more durable concrete.

• The amount of water used in the mixture affects the hydration process and...read more

Concrete strength depends on various factors.

• Water-cement ratio

• Type and quality of cement

• Aggregate size and shape

• Curing conditions

• Mix design

• Age of concrete

• Temperature and humidity

• Presence of admixtures

Water is added to concrete mixer to make the mixture more workable and to achieve the desired consistency.

• Water is added to hydrate the cement and activate the chemical reaction that causes it to harden

• The amount of water added affects the strength and durability of the concrete

• Too much water can weaken the concrete and cause cracking

• The water should be added gradually and mixed thoroughly to ensure even distribution

• Ot...read more