Gera Developments Interview Questions and Answers

The density of construction materials varies depending on the type of material. Cement, steel, gypsum, and flooring tiles all have different densities.

• Cement typically has a density of around 1440 kg/m^3.

• Steel has a density of approximately 7850 kg/m^3.

• Gypsum has a density of about 2320 kg/m^3.

• Flooring tiles can have varying densities depending on the material used, such as ceramic tiles having a density of around 2500 kg/m^3.

The concrete cube strength after 07 days is typically around 65-75% of the 28 days strength.

• Concrete cube strength at 07 days is usually around 65-75% of the 28 days strength

• The strength of concrete increases with time as it continues to cure and gain strength

• Factors like water-cement ratio, curing conditions, and type of cement used can affect the strength development

The slump required for pump concrete typically ranges from 4 to 7 inches.

• Slump is a measure of the consistency of concrete, indicating how easily it can be mixed, placed, and compacted.

• For pump concrete, a higher slump is usually preferred to ensure it flows easily through the pump system without clogging.

• The recommended slump for pump concrete is typically between 4 to 7 inches, but it can vary based on the specific mix design and pumping equipment used.

The sequence of waterproofing a bathroom involves multiple steps to ensure proper sealing and protection against water damage.

• 1. Prepare the surface by cleaning and removing any debris or old waterproofing material.

• 2. Apply a primer to the surface to improve adhesion of the waterproofing membrane.

• 3. Install the waterproofing membrane, such as a liquid membrane or sheet membrane, according to manufacturer's instructions.

• 4. Seal joints, corners, and penetrations with waterproof...read more

The standard shower height in a bathroom is typically around 80 inches (6 feet 8 inches) from the floor to the shower head.

• Standard shower height is around 80 inches from the floor to the shower head

• The height can vary based on personal preference and accessibility needs

• Consider the height of the tallest person using the shower when determining the height