DRA Homes Junior Engineer Civil Interview Questions and Answers

Internal plaster thickness and ratio are important factors in construction projects.

• The standard thickness of internal plaster is usually 12mm for walls and 15mm for ceilings.

• The ratio of internal plaster is typically 1:6 (1 part cement to 6 parts sand).

• The thickness and ratio may vary depending on the specific requirements of the project and the type of surface being plastered.

Slab checking involves verifying the structural integrity and load-bearing capacity of concrete slabs.

• Check for proper reinforcement placement and spacing

• Verify concrete mix design and curing process

• Inspect for any cracks or defects

• Ensure slab thickness meets design specifications

• Perform load testing if necessary

External plaster thickness and ratio are determined based on the type of surface and desired finish.

• External plaster thickness typically ranges from 12mm to 20mm depending on the surface condition.

• The ratio of external plaster mix is usually 1:4 (cement:sand) for rough surfaces and 1:6 for smooth finishes.

• For better adhesion, a bonding agent may be added to the plaster mix.

• Proper curing is essential to ensure the stren