Spsi Interview Questions, Process, and Tips

Cumulative billing is the process of adding up all the invoices or bills over a period of time.

• It is a way of tracking the total amount billed for a project or service.

• It is commonly used in construction projects where payments are made in stages.

• Cumulative billing helps to ensure that the total amount billed does not exceed the project budget.

• It is also used in service industries where customers are billed on a recurr...read more

Curing compound is a liquid applied to concrete to prevent moisture loss during the curing process. Types include membrane-forming and penetrating.

• Curing compound is used to prevent moisture loss during the curing process of concrete.

• Membrane-forming curing compounds create a film on the surface of the concrete to prevent moisture loss.

• Penetrating curing compounds penetrate the surface of the concrete to prevent moistu...read more

Different types of cement are used for different purposes. Testing procedure includes various physical and chemical tests.

• There are various types of cement such as Ordinary Portland Cement (OPC), Portland Pozzolana Cement (PPC), Rapid Hardening Cement (RHC), etc.

• Physical tests include fineness, setting time, soundness, compressive strength, etc.

• Chemical tests include the determination of the percentage of lime, silica,...read more

The water ratio for polymer mortar varies depending on the specific product and application.

• The water ratio should be specified by the manufacturer or supplier of the polymer mortar.

• In general, the water ratio for polymer mortar is lower than that of traditional cement mortar.

• The water ratio can affect the strength and durability of the polymer mortar, so it is important to follow the manufacturer's instructions.

• For ex...read more