L&T Construction Lab Technician Interview Questions and Answers

The code of cement refers to the standard specifications and guidelines for manufacturing and testing cement.

• The code of cement provides information on the composition, physical properties, and performance requirements of cement.

• It includes guidelines for the manufacturing process, quality control, and testing methods.

• Examples of cement codes include ASTM C150, EN 197, and IS 269.

Specific gravity test of cement determines the density of cement particles.

• Specific gravity test measures the ratio of the density of cement to the density of water.

• It helps in assessing the quality and consistency of cement.

• The test involves weighing a known volume of cement and comparing it to the weight of an equal volume of water.

• The specific gravity of cement should be between 3.10 to 3.16.

• A higher specific gravit...read more

Incoming material testing details involve evaluating the quality and characteristics of materials before they are used in the lab.

• Testing involves various methods such as visual inspection, physical testing, and chemical analysis.

• Examples of tests include measuring pH levels, checking for impurities, and determining the melting point.

• Testing ensures that materials meet required specifications and standards.

• Results are ...read more