BESECURE Interview Questions and Answers

Admixtures are added to improve the properties of concrete, such as workability, strength, durability, and resistance to chemicals.

• Admixtures can improve the workability of concrete by reducing water content or increasing flowability.

• Admixtures can enhance the strength and durability of concrete by reducing permeability, increasing compressive strength, or improving resistance to freeze-thaw cycles.

• Admixtures can also improve the resistance of concrete to chemicals, such as c...read more

Check for proper formwork, reinforcement placement, levelness, and cleanliness before pouring concrete in a slab.

• Ensure formwork is properly installed and secured

• Check reinforcement bars for correct placement and spacing

• Verify that the slab surface is level and free of debris

• Inspect for any leaks or gaps in the formwork that could result in concrete seepage

• Ensure proper curing measures are in place after pouring concrete

To fix bathroom level and room flooring level, use a leveling tool to ensure accuracy and adjust as needed.

• Use a leveling tool to check the current level of the bathroom and room flooring

• Make necessary adjustments by adding or removing material under the flooring

• Ensure proper slope for drainage in the bathroom

• Consider using self-leveling compound for minor adjustments

• Consult with a professional if needed for major leveling issues

Fixed maximum size of aggregate is important for ensuring uniformity in concrete mix and preventing segregation.

• Helps in achieving desired workability and strength of concrete mix

• Prevents segregation of larger aggregates from the mix

• Facilitates proper distribution of aggregates throughout the mix

• Ensures consistency in concrete properties and performance

• Reduces the risk of voids and honeycombing in the hardened concrete

Waterproofing is the process of making a structure or object resistant to water penetration.

• Identify areas prone to water leakage

• Prepare the surface by cleaning and repairing any cracks or damage

• Apply waterproofing materials such as membranes, coatings, or sealants

• Ensure proper drainage to prevent water buildup

• Regular maintenance to ensure long-lasting waterproofing

• Examples: using waterproofing membranes on roofs, applying sealants to concrete structures