Galfar Interview Questions, Process, and Tips

Slump test is a measure of the consistency of fresh concrete.

• It is used to determine the workability of concrete.

• A slump cone is filled with fresh concrete and then lifted vertically.

• The amount of slump or settlement of the concrete is measured.

• The test helps to ensure that the concrete is of the right consistency for the job.

• The slump test is widely used in construction projects.

Grade of concrete and cement are important factors in construction.

• Grade of concrete refers to its strength and durability.

• Grade of cement refers to its compressive strength.

• Concrete grades range from M5 to M80.

• Cement grades include 33, 43, and 53.

• Higher grades of cement are used for stronger concrete.

There are different types of cement used in construction depending on the requirements.

• Ordinary Portland Cement (OPC) is the most commonly used cement.

• Portland Pozzolana Cement (PPC) is used for structures exposed to sulphate and chloride attacks.

• Rapid Hardening Cement (RHC) is used for precast concrete work.

• Low Heat Cement (LHC) is used for massive concrete structures.

• White Cement is used for decorative purposes.

• Color...read more