Fidesto Projects Site Engineer Interview Questions, Process, and Tips

The size of a concrete cube is typically 150mm x 150mm x 150mm.

• Standard size for concrete cube is 150mm x 150mm x 150mm

• Used for testing the compressive strength of concrete

• Cubes are cast and cured for a specified period before testing

The accuracy of a dumpy level is typically around 1/100th of a foot or 2mm.

• The minimum reading that can be taken with a dumpy level is usually around 1/100th of a foot or 2mm.

• This level of accuracy is sufficient for most construction and surveying tasks.

• Higher quality dumpy levels may have even greater accuracy, down to 1/1000th of a foot or less.

The expiry date of cement is typically around 3 months to 1 year from the date of manufacture.

• Cement typically has a shelf life of 3 months to 1 year from the date of manufacture.

• The expiry date can vary depending on the type of cement and storage conditions.

• It is important to check the packaging for the specific expiry date of the cement.

• Using expired cement can lead to weaker concrete and construction issues.

No, adding extra water to hardened concrete will weaken the structure and compromise its integrity.

• Do not add extra water to hardened concrete as it will weaken the structure

• Consult with a supervisor or engineer for guidance on how to proceed

• Consider using additives or accelerators to help with placement if necessary

The expiry date of cement is typically around 3 months to 6 months from the date of manufacture.

• Cement typically has an expiry date of 3 to 6 months from the date of manufacture.

• The expiry date is important as older cement may not set properly or provide the desired strength.

• Factors such as storage conditions and moisture levels can affect the expiry date of cement.